Chester T Barry

US Patent 11168012 Method for realizing rapid startup of denitrification biofilter

US Patent 7087162 Accessible well for brine tank

US Patent 7087172 Methods for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater

US Patent 7094350 Method of sludge recycling

US Patent 7097762 Modular waste water treatment system

US Patent 7097772 Method of purifying a waste stream using a microporous composition

US Patent 7105092 Sewage treatment process by activated-sludge method comprising line atomizing treatment

US Patent 7118672 Membrane supported bioreactor for municipal and industrial wastewater treatment

US Patent 7118674 Energy-efficient biological treatment with membrane filtration

US Patent 7125823 Methods of making dual-action decontamination media

US Patent 7128831 Pollutant containment system

US Patent 7132050 Apparatus for in-situ microbial seeding

US Patent 11173452 Water purification systems and methods having pressurized draw stream

US Patent 11174172 Filter cartridge placement in filter as you pour system

US Patent 7135110 Denitrification system for nitrified wastewater or nitrified water

US Patent 7135115 Membrane bioreactor waste water treatment method

US Patent 7138049 Apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater

US Patent 7138059 Environmental bioremediation using shell as an electron donor

US Patent 7138060 In situ remediation of contaminated groundwater

US Patent 7141159 Method of sludge recycling

US Patent 7141170 Halogenated solvent remediation

US Patent 7141173 None

US Patent 7141175 Oxidation reduction potential (ORP) based wastewater treatment process

US Patent 7144508 Method and apparatus of removing nitrogen

US Patent 7147771 Effluent treatment system

US Patent 7147775 Method of purifying fischer-tropsch derived water

US Patent 7147779 Passive treatment of wastewater and contaminated groundwater

US Patent 7147780 Process for reducing sludge derived from the treatment of wastewater by oxygenation and mechanical action

US Patent 7147783 Method for reducing hydrogen sulfide emissions from wastewater

US Patent 7150829 Water treatment cartridges and processes related thereto

US Patent 7150831 Method of purifying fischer-tropsch derived water

US Patent 7150833 Method for forming microcultures within porous media

US Patent 7153393 Method of purifying Fischer-Tropsch derived water

US Patent 7153416 Apparatus for removing radioactive antimony from waste streams

US Patent 7153423 Wastewater treatment

US Patent 7153429 Method of optimizing influent conditions and chemical addition control for biological denitrification

US Patent 7153430 Biological digestion of waste fluids with particles comminuting step

US Patent 7153431 Method and system for utilizing activated sludge in a ballasted flocculation process to remove BOD and suspended solids

US Patent 7153434 Methods for removing contaminants from water and silica from filter media beds

US Patent 7153435 Magnetic process for removing heavy metals from water employing magnetites

US Patent 7156982 Apparatus for determining weight and biomass composition of a trickling filter

US Patent 7156984 Environmental remediation apparatus

US Patent 7156985 Bioreactor system having improved temperature control

US Patent 7157000 Catalytic bioconversion of petroleum-contaminated wastes/wastewaters using kenaf core powder

US Patent 7157001 Carbon filtration process and apparatus for removing PCB's and other compounds from wastewater

US Patent 7157002 Process for the recovery of surfactants

US Patent 7157005 Regenerant reuse

US Patent 7157011 Vent for leach field aeration

US Patent 7157013 Filtration method

US Patent 7160442 Apparatus for reduction of biological wasted sludge

US Patent 7160444 System for removing contaminants from storm water

US Patent 7160458 Method for purification of process water from a kerosene desulfurization plant

US Patent 7160459 In-situ bioremediation for petroleum contamination

US Patent 7160460 System and method for treating wastewater using coir filter

US Patent 7160461 Water purification with catalytic surfaces and microorganisms

US Patent 7160465 Materials for removing toxic metals from wastewater

US Patent 7163627 Method for acquiring samples from a trickling filter medium

US Patent 7163631 Process for treating wastewater containing peracetic acid

US Patent 7165561 Biofilm reduction in crossflow filtration systems

US Patent 7166211 Process and apparatus for microbial filtration and bacterial injection for one or more environmental contaminants

US Patent 7166214 Dental amalgam separator

US Patent 7166219 Method of purifying fischer-tropsch derived water

US Patent 7166222 Method for biologically purifying waste water

US Patent 7166226 Ion exchange cryptands covalently bound to substrates

US Patent 7166230 Apparatus and method for separating and filtering particles and organisms from flowing liquids

US Patent 7168574 Dual filter

US Patent 7169295 Supported biofilm apparatus and process

US Patent 7169296 Collapsible digester

US Patent 7169297 pH adjuster-based system for treating liquids

US Patent 7169306 Versatile pre-thickened aerobic digester system

US Patent 7172690 Device for purifying waste water, according to the activated sludge process

US Patent 7172691 Method and system for removal of contaminants from aqueous solution

US Patent 7172698 Anaerobic sludge digester

US Patent 7172700 Method and apparatus for determining weight and biomass composition of a trickling filter

US Patent 7175763 Membrane supported biofilm process for autotrophic reduction

US Patent 7175764 Method and device for purifying wastewaters

US Patent 7175765 Method for treating for-treatment water containing organic matter and nitrogen compound

US Patent 7175766 Apparatus and method for performing tertiary treatment of sewage based on porous filtering media

US Patent 7178677 Aeration vessel for use in aerobic wastewater treatment system

US Patent 7179370 Energy-efficient biological treatment system with filtration membrane

US Patent 7179374 Device for shear-thinning of solids containing material

US Patent 7179381 Emplacement of treatment agents using soil fracturing for remediation of subsurface environmental contamination

US Patent 7182871 Wastewater treatment with alkanes

US Patent 7186332 Orbital wastewater treatment system with combined surface aerator and submerged impeller

US Patent 7186335 Process and device for biological treatment of a suspension in a bioreactor with integrated hydraulic top scum treatment

US Patent 7186340 Perchlorate reduction and related water treatment methods

US Patent 7186341 Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater

US Patent 7186671 Particulate alumina and process for removing metal ions from water

US Patent 7192523 Methods for treating agricultural waste and producing plant growth-enhancing material

US Patent 7195707 Apparatus for determining weight and biomass composition of a trickling filter

US Patent 7198717 Anoxic biological reduction system

US Patent 7198720 Method of sludge recycling

US Patent 7198723 Method using super absorbent polymers for dehydration of oil

US Patent 7229559 Dual-action decontamination method

US Patent 7229560 Sack-based processes for recovering oil floating on water

US Patent 7235174 Method of sludge recycling

US Patent 7235180 Sulfate-selective anion exchange resins for use in combination with TRSS resins in feed water treatment

US Patent 7244358 Denitrification of aquarium water

US Patent 7247239 Method for biological treatment of water by adding macromolecular carbohydrates

US Patent 7258791 Method of reducing volume of sludge

US Patent 7258792 Treatment of contaminated activated charcoal

US Patent 7264715 Apparatus for treating organic wastewater and sludge

US Patent 7264727 Septic system remediation method and apparatus

US Patent 7264735 Method for producing drinking water

US Patent 7267764 Apparatus for removing nitrogen

US Patent 7267773 Integrated system and method for purifying water, producing pulp and paper, and improving soil quality

US Patent 7267776 Foams for removing pollutants and/or heavy metals from flowable media

US Patent 7270746 Water treatment system for water animal feeding facility

US Patent 7270750 Clarifier recycle system design for use in wastewater treatment system

US Patent 7270753 Surfactant-like polymer gel and a method for separating material using same

US Patent 7273555 Process for continuous ion exchange

US Patent 7276155 Waste treatment apparatus with integral membrane apparatus

US Patent 7276161 Water treatment apparatus

US Patent 7276171 Method for cleaning separation membrane

US Patent 7279099 Sludge treatment process

US Patent 7279101 Anaerobic biological wastewater treatment system and process

US Patent 7279102 Method of treating wastewater

US Patent 7279104 Waste treatment method

US Patent 7282141 Mixer and process controller for use in wastewater treatment processes

US Patent 7282149 Process for in situ bioremediation of subsurface contaminants

US Patent 7282152 Selenium removal method

US Patent 7285207 Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater

US Patent 7285216 Treatment of water

US Patent 7285217 Removing odoriferous sulfides from wastewater

US Patent 7288187 Organic waste management system

US Patent 7288190 Method, apparatus and system for removal of contaminants from water

US Patent 7288196 Plant matter packaging method

US Patent 7290669 Upflow bioreactor having a septum and an auger and drive assembly

US Patent 7291265 Passive treatment of wastewater and contaminated groundwater

US Patent 7291272 Inorganic contaminant removal from water

US Patent 7291273 Methods for removing metals from plating operation

US Patent 7291578 Hybrid anion exchanger for selective removal of contaminating ligands from fluids and method of manufacture thereof

US Patent 7294254 Wastewater treatment system

US Patent 7294255 Nitrification system and method

US Patent 7294259 Membrane module for gas transfer

US Patent 7294260 Aerobic wastewater treatment plant having 3-compartment vessel

US Patent 7294261 Vessel assembly for use in a wastewater treatment system

US Patent 7294265 Ion adsorption module and method for water treatment

US Patent 7294268 Metal containing waste water treatment method and metal containing waste water treatment equipment

US Patent 7294269 Organic disposer and method of controlling the same

US Patent 7294271 Process for restoration of ground water used in in-situ uranium mining

US Patent 7294272 Method for the treatment of waste

US Patent 7294273 Process for treatment of organic contaminated water

US Patent 7294275 Method of removing phosphorus from wastewater

US Patent 7294276 Process for preparing fluoropolymer dispersions

US Patent 7294278 Method for oxygenating wastewater

US Patent 7296693 Anaerobic sludge digester

US Patent 7297276 Method for treating water containing ammonium-nitrogen

US Patent 7300569 Water treatment system

US Patent 7300571 Supported biofilm apparatus

US Patent 7300583 Apparatus and method for remediation of a waste stream

US Patent 7300584 Treatment of a suspension in a bioreactor with integrated hydraulic bottom layer removal

US Patent 7300586 pH stable activated carbon

US Patent 7300587 Oxidation of heavy metal ions

US Patent 7300592 Water treatment device

US Patent 7303676 Supported biofilm apparatus and process

US Patent 7303677 Supported biofilm process

US Patent 7303678 Method for treating wastewater

US Patent 7304017 Sorbent for use in process of solid phase extraction

US Patent 7306722 Apparatus to increase lateral oxygen transfer in waste water

US Patent 7306724 Wastewater treatment

US Patent 7306726 Method for treating metal-working fluid

US Patent 7306732 Treatment of water

US Patent 7306739 Potato wastewater treatment method using a starch-complexing emulsifier

US Patent RE39940 Screen plates and methods of manufacture

US Patent 7309425 Apparatus for the preparation of arsenic free water

US Patent 7309427 System for treating liquids

US Patent 7309429 Granular filtration device for water

US Patent 7309432 System and method for eliminating sludge via ozonation

US Patent 7309435 Biological process for waste treatment and energy production

US Patent 7309436 Process for removing perchlorate ions from water streams

US Patent 7309437 Compositions and methods for removal of toxic metals and radionuclides

US Patent 7309438 Mitigation of environmental pollution

US Patent 7311829 Water conversion device

US Patent 7311835 Method for supplying oxygen to a water purification process

US Patent 7311839 Removal of biological pathogens using surfactant-modified zeolite

US Patent 7311840 Inorganic ion exchangers for removing contaminant metal ions from liquid streams

US Patent 7311843 Bio degradation of oxyanions such as perchlorate on ion exchange resins

US Patent 7311844 Method of treating stormwater runoff and domestic waste with coal ash

US Patent 7312175 Ion exchange materials, method of forming ion exchange materials, and methods of treating liquids

US Patent 7314548 Bioventing remediation system

US Patent 7314561 Method for purifying water

US Patent 7314564 Method for treating liquids

US Patent 7314570 Method for removing heavy metals from media containing heavy metals by means of a Lyocell moulded body, cellulosic moulded body comprising absorbed heavy metals, and the use of the same

US Patent 7314741 Anaerobic ammonium oxidation for water treatment in recirculating aquaculture

US Patent 7316782 Filter apparatus for removing sulfur-containing compounds from liquid fuels, and methods of using same

US Patent 7318893 Apparatus for offering and dispensing mineral water suitable for consumption

US Patent 7318895 Biodestruction of blended residual oxidants

US Patent 7318896 Method and apparatus for utilization of recovered magnesium ammonium phosphate

US Patent 7323107 Apparatus and method for the treatment of waste

US Patent 7323108 Combined biological and ballasted flocculation process for treating wastewater

US Patent 7323110 Wastewater treatment process using core-shell particles

US Patent 7326340 System for controlling sulfide generation

US Patent 7326344 Process for the removal of metals by biosorption from mining or industrial effluents

US Patent 7326347 Dynamic up-flow zeolite system and method

US Patent 7326349 Method and apparatus for purifying alcoholic liquors

US Patent 7329340 Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge treatment systems

US Patent 7329341 Wastewater treatment device

US Patent 7329344 Grease and scum removal in a filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials

US Patent 7329348 Fuel cell system including an ion filter

US Patent 7329349 Water treatment

US Patent 7329351 Process and apparatus for increasing biological activity in waste treatment in bodies of water

US Patent 7329352 Nitrifying method of treating water containing ammonium-nitrogen

US Patent 7329355 Method for absorption of hydrocarbons and low-polarity chemicals

US Patent 7329358 Water treatment process

US Patent 7329624 Regenerable adsorbents for the purification of silicone based solvents

US Patent 7332077 Methods for biological treatment of waste waters

US Patent 7332078 Apparatus for recovering energy from turbulence created within an aerobic biological reactor

US Patent 7332080 Apparatus for salt free water softening

US Patent 7332082 System and method for biological purification of water

US Patent 7332090 Process for the removal of mercury from solutions contaminated with mercury

US Patent 7332091 Process for treating storm water

US Patent 7332093 Method for water purification

US Patent 7335299 Dual filter

US Patent 7335303 Zero-discharge of water glass effluents by alkaline biotreatment techniques

US Patent 7335304 Method for reducing sludge of a biological ozone treatment system

US Patent 7335305 Sequential batch reactor and wastewater treatment process

US Patent 7335307 Method for removing contaminants from water using ruthenium based contaminant sorbents and oxidizers

US Patent 7335310 Method of treating wastewater containing hardly decomposable harmful substances

US Patent 7338597 Apparatus for water treatment

US Patent 7338603 Process using rare earths to remove oxyanions from aqueous streams

US Patent 7338678 Composition for treating groundwater contamination

US Patent 7341660 Unitary three stage wastewater treatment system

US Patent 7341661 Clarification and sorptive-filtration system for the capture of constituents and particulate matter in liquids and gases

US Patent 7341664 Method for forming an in situ groundwater filter

US Patent 7341665 Process for the treatment of contaminated water based on the use of apolar zeolites having different characteristics

US Patent 7341666 Poly-β-carboxyacrylamide polymer, use thereof and process for preparing the same

US Patent 7341667 Process for reduction of inorganic contaminants from waste streams

US Patent 7344643 Process to enhance phosphorus removal for activated sludge wastewater treatment systems

US Patent 7347941 Treating micro-organisms in water using boron conditioned enzymes and composition therefor

US Patent 7357870 Method for reducing production of wastewater treatment station sludge with fixed biological cultures

US Patent 7359480 Neutron interrogation system using high gamma ray signature to detect contraband special nuclear materials in cargo

US Patent 7361268 Waste treatment systems

US Patent 11180383 Device for cleaning a fluid contaminated with oil

US Patent 11180390 Method for treating and recycling waste slurry in bobbin paper production

US Patent 11180392 Sequencing batch reactor for sewage treatment and sewage treatment system comprising same

US Patent 7371323 System and method for reducing wastewater contaminants

US Patent 7374675 Mixer for use in wastewater treatment processes

US Patent 7378023 Method of improving membrane bioreactor performance

US Patent 7378372 Filter and sorbent for removal of contaminants from a fluid

US Patent 7381333 Treatment of water flowing in a horizontal conduit

US Patent 7381337 Gel-based remedial additive for remediation of environmental media and method of use

US Patent 7384554 Methods for total nitrogen removal from waste streams

US Patent 7384555 Process for biological treatment of aqueous organic wastes

US Patent 7384556 Methods of enhancing biodegradation of groundwater contaminants

US Patent 7387722 Water treatment system

US Patent 7387723 Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials

US Patent 7390404 Apparatus and method for remediation of a drain system

US Patent 7396453 Hydraulically integrated solids/liquid separation system for wastewater treatment

US Patent 7396466 Method and system for filtration of wastewater

US Patent 7396470 Treatment of environmental pollutants with mineral ores

US Patent 7402241 Water purification device

US Patent 7402245 Digested sludge treatment apparatus

US Patent 7404897 Method for nitrogen removal and treatment of digester reject water in wastewater using bioaugmentation

US Patent 7404901 Method for the removal of arsenic ions from water

US Patent 7407581 Biodegradation of oxyanions such as perchlorate on ion exchange resins

US Patent 7407582 Combination activated sludge—ballasted flocculation process

US Patent 7407584 Regulating air velocity continuously injected into biological water treatment reactor

US Patent 7407587 Method and sorbent for selective removal of contaminants from fluids

US Patent 7407588 Method of using stable adsorber granules to remove pollutants from flowable media

US Patent 7407591 Process for the reduction of activated chromium oxide catalyst

US Patent 7410588 Aqueous waste processing method

US Patent 7413655 Method for the biological breakdown of effluent containing nitroaromatics

US Patent 7413661 Method for purifying semiconductor gases

US Patent 7413662 Preparation and use of sorptive lignocellulosic material for decontamination of fluid and aqueous media

US Patent 7413663 Water treatment apparatus and method

US Patent 7416668 Wastewater chemical/biological treatment plant recovery apparatus and method

US Patent 7419595 Multiple barrier biological treatment process

US Patent 7419601 Nanomesh article and method of using the same for purifying fluids

US Patent 7422687 Biotreatment of As-containing hydroxide sludge

US Patent 7422688 Biological wastewater treatment process and reactor

US Patent 7422689 Membrane-cleaning method for membrane bioreactor process

US Patent 7422691 Method and apparatus for the demineralization of water

US Patent 7425262 In line wetland water treatment system

US Patent 7425269 Method to increase lateral oxygen transfer in waste water

US Patent 7425270 Method for extracting perchlorate-ion from an aqueous solution

US Patent 7427356 Fats, oil and grease interceptor

US Patent 7429320 Wastewater treatment system

US Patent 7429330 Method for removing contaminants from fluid streams

US Patent 7429551 Adsorbents for removing heavy metals

US Patent 7431832 Systems for reducing water contamination

US Patent 7431833 Flowable material vessel

US Patent 7431834 Waste water and sludge treatment apparatus

US Patent 7431835 Portable water quality monitoring and treatment system

US Patent 7431839 Low oxygen biologically mediated nutrient removal

US Patent 7431840 Denitrification process

US Patent 7431842 Method of using silicon carbide for removal of adventitious agents

US Patent 7431843 Process for the purification of silicone based solvents

US Patent 7431850 Process for purification treatment of wastewater containing organic substance

US Patent 7435340 Wastewater treatment system

US Patent 7438805 Apparatus for reducing volume of sludge

US Patent 7438813 Ammonia oxidation and pipe denitrification

US Patent 7438814 Method and apparatus for the purification of ground water

US Patent 7438815 Inhibiting ammonia emissions and odors from animal wastes with oil

US Patent 7438816 Method for treating water containing ammonium-nitrogen

US Patent 7438818 Cross-linked polyimine and use thereof for the immobilization of acidic or electrophilic compounds present in a solution

US Patent 7438820 Waste water filtering method and system

US Patent 7442298 High-denitrification shared type orbal oxidation ditch

US Patent 7442304 In-situ ballast water treatment method

US Patent 7442307 Method and apparatus for the biological activated sludge treatment of wastewater

US Patent 7442310 Treating liquids with pH adjuster-based system

US Patent 7442313 Environmental remediation method and system

US Patent 7445707 Waste effluent treatment system

US Patent 7445714 Biological processing of animal waste

US Patent 7445715 System for treating wastewater and a controlled reaction-volume module usable therein

US Patent RE40565 Method and device for purifying waste water comprising an additional sludge treatment by ozonation

US Patent 7449108 Apparatus for improving the characteristics of wetting water in offset printing

US Patent 7449113 Controlling wastewater treatment processes

US Patent 7449114 Halogenated solvent remediation

US Patent 7449118 Process for reduction of inorganic contaminants from waste streams

US Patent 7449119 Methods for controlling

US Patent 7455773 Package wastewater chemical/biological treatment method

US Patent 7455774 Agent and method for decontaminating soil, groundwater or sediment contaminated with hexavalent chromium

US Patent 7455775 Water treatment method and apparatus

US Patent 7455776 Method for mixing high viscous liquids with gas

US Patent 7455780 Method of treating stormwater runoff and domestic waste with high carbon ash

US Patent 7455782 Grit removal system and method for emergency water reservoir

US Patent 7459074 Waste water filtering system

US Patent 7459076 Flow-through aerobic granulator

US Patent 7459077 Portable apparatus for in-transport treatment of waste

US Patent 7459083 Method for controlling fouling of a membrane filter

US Patent 7459087 Water treatment

US Patent 7462285 Wastewater purification method and apparatus

US Patent 7462286 Chelate exchanger

US Patent 7465400 System for biodegradation of oxyanions such as perchlorate on ion exchange resins

US Patent 7468128 Bilge water barrier and pollution prevention system

US Patent 7468132 Method for treatment of animal waste

US Patent 7468135 Portable tank wastewater treatment system and method

US Patent 7470367 Process for removing a contaminant from contaminated groundwater

US Patent 7473363 Organic waste treatment

US Patent 7473364 Multivalent metal ion management for low sludge processes

US Patent 7476316 Molecularly imprinted polymers (MIPS) for the selective removal of inorganic contaminants from liquids

US Patent 7476319 Method and apparatus for continuously controlling denitrification in variable nitrogen loads in wastewater

US Patent 7476320 Process for groundwater remediation

US Patent 7476321 Method and a plant for waste water treatment

US Patent 7476322 Process and energy-efficient biological treatment system with filtration membrane

US Patent 7479220 Plant for the removal of metals by biosorption from mining or industrial effluents

US Patent 7479221 Catch basin filter absorber apparatus for water decontamination

US Patent 7479224 Purification plant to biologically purify waste water

US Patent 7479226 System for removal of contaminants from aqueous solution

US Patent 7479229 Method for removing heavy metals from and dissolving calcium and/or magnesium scales in water or aqueous system

US Patent 7479230 Process for reduction of inorganic contaminants from waste streams

US Patent 7481929 Water treatment system

US Patent 7481935 Waste water treatment process

US Patent 7481940 Biomass treatment of organic waste or water waste

US Patent 7485224 Mobile bioremediation systems

US Patent 7485225 Composite adsorbent block for the treatment of contaminated fluids

US Patent 7485231 Activated sludge process using downflow sludge blanket filtration

US Patent 7488423 System and method of slurry treatment

US Patent 7488424 Method for fluid treatment having multiple cycles

US Patent 7491322 Apparatus for removing phosphorus from wastewater

US Patent 7491331 Methods for total nitrogen removal

US Patent 7491332 Method and device for physical and biological treatment of biomass

US Patent 7491335 Removal of arsenic from water with oxidized metal coated pumice

US Patent 7491336 Process for treating industrial effluent water with activated media

US Patent 7491337 Method and apparatus for removing contaminants from water

US Patent 7491669 Adsorbent with multiple layers

US Patent 7494588 Wastewater purification system

US Patent 7497948 Method for remediation of soil and groundwater

US Patent 7497949 System and method for oxygenating an aerobic sludge digester

US Patent 7501066 Method for solvent purification

US Patent 7504036 Method of making and using modified anion exchange materials with metal inside the materials

US Patent 7507334 Water treatment system

US Patent 7510652 Filter and system apparatus for removing sulfur-containing compounds from liquid fuels

US Patent 7510656 Waste water treatment method

US Patent 7510659 Surface-modified zeolite and process for synthesis thereof for sequestration of anions

US Patent 7513998 “In-situ” ballast water treatment method

US Patent 7513999 Ozonation of wastewater for reduction of sludge or foam and bulking control

US Patent 7514002 Method for removing phosphorus and method for reutilizing recovered phosphorus

US Patent 7514003 Methods for producing useful water products with reduced sodium content

US Patent 7514004 In-tank recirculating arsenic treatment system

US Patent 7514006 Field water purification system

US Patent 7514058 Apparatus for on-site production of nitrate ions

US Patent 11186508 Water treating agent and kit and methods for producing and using

US Patent 7517454 Method for treating wastewater containing active sludge

US Patent 7517831 Pumice stone with a carbon content, process for its production and its applications

US Patent 7520987 System and apparatus for purging absorptive materials used in the removal of contaminates from an aqueous medium

US Patent 7520991 Biological method for removing phosphorus and nitrogen from water using granulated methane-oxidizing bacteria

US Patent 7520994 Method to remove agent from liquid phase

US Patent 7524412 Apparatus for removing fluid from bilge of a marine vessel

US Patent 7524421 Method of forming alginate particles in an aqueous solution containing metal ions

US Patent 7524422 Clarification and sorptive-filtration system for the capture of constituents and particulate matter in liquids and gases

US Patent 7527735 System for treating wastewater

US Patent 7527736 Method for generating fracturing water

US Patent 7531085 Device for purifying anaerobic biological wastewater

US Patent 7531087 System for treating wastewater

US Patent 7531089 Biogeochemical reactor

US Patent 7531093 Process for the aerobic-thermophilic stabilization and disinfection of sludge

US Patent 7534351 Pressurized biological waste water purification process

US Patent 7537693 Up-flow multi-stage anaerobic reactor (UMAR)

US Patent 7537699 Methods for reducing biosolids odors

US Patent 7540965 Process for treating concentrated salt solutions containing DOC

US Patent 7543585 Unobtrusive personal air filtration device

US Patent 7544292 Apparatus for denitrifying wastewater

US Patent 7544298 Apparatus and method for dispensing decomposing bacteria into a waste stream

US Patent 7547392 Wastewater treatment vessel

US Patent 7550076 System for the treatment of wastewater

US Patent 7550085 Bioventing remediation method

US Patent 7553407 Portable water quality monitoring and treatment system

US Patent 7553410 Septage treatment system

US Patent 7553412 Method for continuous on-site monitoring and treatment of water

US Patent 7553418 Method for water filtration

US Patent 7553419 Method of material processing to produce a fiber product

US Patent 7553420 Systems and methods for wastewater odor control

US Patent 7553422 Method and device for purifying water of nuclear installations

US Patent 7556730 Reclaimed water reuse device

US Patent 7556739 Underwater processing of fluid streams

US Patent 7560027 Method for treating wastewater and sludge

US Patent 7563361 Systems for fluid treatment having multiple cycles

US Patent 7563363 System for treating wastewater

US Patent 7563366 System for removing BOD and suspended solids through an activated sludge process and a ballasted flocculation process

US Patent 7563372 Package dewatering wastewater treatment method

US Patent 7563374 Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge treatment process

US Patent 7566400 Wastewater chemical/biological treatment method and apparatus

US Patent 7566403 Process for eliminating nitrogenous organic compounds from salt-containing water

US Patent 7566468 Oil filtration process

US Patent 7569147 Screening of inert solids from a low-yield wastewater treatment process

US Patent 7569148 Continuous membrane filtration and solids reduction

US Patent 7575685 Low oxygen biologically mediated nutrient removal

US Patent 7575686 Process for autotrophic perchlorate reduction using elemental sulfur and mollusk shells

US Patent 7575689 Naphthenic acid removal process

US Patent 7585414 Water treatment by activated sludge

US Patent 7588689 Catch basin filter absorber method for water decontamination

US Patent 7588690 Method of iodide removal

US Patent 7588696 Antimicrobial water softener salt and solutions

US Patent 7594520 Method of making a dual filter

US Patent 7595000 Operation of evaporative cooling towers with minimal or no blowdown

US Patent 7597809 Methods for removal of oil and other contaminants from water

US Patent 7604733 Apparatus for biological removal of phosphorus and nitrogen using granulated methane-oxidizing bacteria

US Patent 7604741 Method for on-site production of nitrate ions

US Patent 7604745 Water-purifying solid material made of a natural raw material containing polysaccharides as principal components, and water-purifying method using the same

US Patent 7608190 Process for removing barium from water

US Patent 7611632 Method of conditioning mixed liquor using a tannin containing polymer

US Patent 7615153 Microbial based chlorinated ethene destruction

US Patent 7618536 Method of treating a marine object

US Patent 7618537 Membrane biofilm reactor method for reducing the concentration of oxidized contaminants in ground water

US Patent 7618547 Groundwater treatment system with air injection into vadose zone

US Patent 7622042 Water treatment apparatus and method

US Patent 7625484 Water treatment apparatus

US Patent 7625487 Adsorbent bed and water treatment method of use

US Patent 7628912 Manufacturing device and application device for liquid containing micro-nano bubbles

US Patent 7628918 Method of managing organic waste

US Patent 7628919 Method for treating water contaminated with methanol and boron

US Patent 7632400 Water treatment equipment

US Patent 7632415 Apparatus and methods for water treatment

US Patent 7635432 Method of treating at a high-temperature waste liquid from production plant for hydrocarbons or oxygen-containing compounds

US Patent 7638047 Water filter having zeolite layers and activated carbon layer

US Patent 7638057 Method of treating water using petroleum coke

US Patent 7638060 Process for removing contaminants from silicone-based solvents

US Patent 7641797 Method of treating waste liquid from production plant for hydrocarbons or oxygen-containing compounds

US Patent 7641798 Waste water treatment method and waste water treatment apparatus

US Patent 7641802 Wastewater treatment method and wastewater treatment equipment

US Patent 7645384 Environmental remediation method using ozonophilic bacteria within a liquid coating of bubbles

US Patent 7648631 Apparatus for wastewater treatment using nitrogen/phosphorus removal and floatation separation

US Patent 7648634 Method for wastewater treatment

US Patent 7648637 Water treatment method by ballasted flocculation, settling, and prior adsorbent contact

US Patent 7651608 System for denitrification of treated water from aerobic wastewater treatment systems

US Patent 7651615 Process for reducing waste volume

US Patent 7651618 Method and apparatus for treatment of an effluent containing radioactive materials

US Patent 7655142 Dynamic control of membrane bioreactor system

US Patent 7655143 Carbon dioxide stimulation of nitrification in activated sludge reactors

US Patent 7655144 Method for the treatment of wastewater

US Patent 7655147 Method of removing ions from a fuel cell system

US Patent 7655148 Water treatment compositions and methods of making and using

US Patent 7655149 Oil absorbent kenaf balls and kits, and methods of making and using the same

US Patent 7658848 Septic system cleaning

US Patent 7658849 Use of

US Patent 7658850 Mixed bacterial culture for atrazine degradation

US Patent 7658851 Method of growing bacteria for use in wastewater treatment

US Patent 7658853 Process for the treatment of contaminated water by means of a bifunctional system consisting of iron and zeolites

US Patent 7662287 Wastewater denitrification system

US Patent 7662288 Water treatment method and water treatment system

US Patent 7662291 Canister for treatment of contaminated fluids

US Patent 7662292 Radium selective media and method for manufacturing

US Patent 7662295 Method for removing organic material in oilfield produced water and a removal device therefor

US Patent 7666300 Apparatus for denitrifying wastewater

US Patent 7666306 Adsorbent, method for producing same, and method for processing oil-containing waste water

US Patent 7678268 Wastewater treatment system

US Patent 7691262 System for treating wastewater having a controlled reaction-volume module usable therein

US Patent 7691267 Multi-gas bioreactor and related methods

US Patent 7695622 System and method for eliminating sludge via ozonation

US Patent 7695623 System and method for enhancing an activated sludge process

US Patent 7695624 Method and system for treating water and utilizing a membrane filtering system

US Patent 7699980 System for activated sludge wastewater treatment with high dissolved oxygen levels

US Patent 7699985 Process for providing oxygen to a liquid

US Patent 7699986 Method for activated sludge wastewater treatment with high dissolved oxygen levels

US Patent 7704383 Portable fuel desulfurization unit

US Patent 7704385 Water treatment system

US Patent 7704389 Apparatus for groundwater remediation

US Patent 7708884 Process for aerobic-thermophilic stabilization and disinfection of sludge

US Patent 7708892 Conditioning of ion exchangers for adsorption of oxoanions

US Patent 7713410 Wastewater treatment apparatus

US Patent 7713414 Method for removal of contaminants from water

US Patent 7713417 Method for wastewater treatment with resource recovery and reduced residual solids generation

US Patent 7713420 Ion exchange resin tower and detection method of lifetime of resin therein

US Patent 7713421 Sorption method, device, and system

US Patent 7713424 Methods for purging absorptive materials used in the removal of contaminates from an aqueous medium

US Patent 7718057 Wastewater treatment system

US Patent 7718065 Filtration method and apparatus

US Patent 7718066 Method and apparatus for controlling wastewater treatment processes

US Patent 7718067 Septic system remediation method and apparatus

US Patent 7718071 Treatment of contaminated fluids

US Patent 7722769 Method for treating wastewater

US Patent 7722770 Method for treating produced water

US Patent 7722773 Method of treating organic compounds in wastewater

US Patent 7731851 Waste water treatment

US Patent 7737380 Electrical-discharge machining apparatus and method and apparatus for dielectric-fluid quality control

US Patent 7763173 Method for remediating solids in waste lifting stations

US Patent 7763174 Process for removing contaminants using reverse flow reactor with integrated separation

US Patent 7767078 System for treating produced water

US Patent 7767088 Water treatment clarifier baffle

US Patent 7771600 Methods of utilizing waste waters produced by water purification processing

US Patent 7784769 Agitating device and method for sewage treatment

US Patent 7785468 Compositions and uses thereof in bioremediation

US Patent 7785474 Method for contacting liquid with ion exchange resin

US Patent 7789246 Biological sample collector

US Patent 7790024 Apparatus for the electrochemical regeneration of absorbents

US Patent 7790031 Use of

US Patent 7790032 Waste treatment process

US Patent 7794595 Method for encapsulation, remediation and recovery of spilled oil

US Patent 7794597 Treatment of waste mixture containing liquids and solids

US Patent 7799215 Wastewater treatment systems

US Patent 7799217 System for solvent purification

US Patent 7799224 Wastewater treatment methods

US Patent 7799227 Method for hygienic operation of an ion exchanger

US Patent 7799229 Process for the removal of catalytic metals and promoter metals from carbonylation process streams

US Patent 7803272 Water treatment system

US Patent 7807057 Dynamic up-flow zeolite system and method

US Patent 7811457 Alkaline regeneration of N-methyl-D-glucamine functional resins

US Patent 7815801 Removal of selenium in contaminated wastewater streams

US Patent 7815806 Purification of fluids with carbon nanotubes having attached functional group

US Patent 7820047 Integrated multi-zone wastewater treatment system and method

US Patent 7820048 Method and system for treating organically contaminated waste water

US Patent 7820049 Method for manufacture of sanitized organic sludge

US Patent 7828969 Liquid filtration systems

US Patent 7828980 Water treatment process

US Patent 7833415 Method for treating raw sludge including a simultaneous or pulsed aerobic/anoxic digestion process

US Patent 7833416 Method for removing hydrocarbons from the bed of a body of water

US Patent 7833417 Method for improving hydrocarbon-water compatibility in a subsurface hydrocarbon-contaminated site

US Patent 7833420 Method for cleaning reclaimed water reuse device

US Patent 7842184 Process for water treatment using high shear device

US Patent 7846328 Treatment system for enhanced water and wastewater nutrient removal

US Patent 7846334 Method for the treatment of ammonia-containing waste water

US Patent 7846338 Ion exchange process

US Patent 7850854 Method for perchlorate removal and destruction

US Patent 7850855 Methods of utilizing recycled rubber

US Patent 7854843 Wastewater treatment method

US Patent 7854848 Portable water treatment apparatus and methods

US Patent 7862722 Sewage treatment control device, method, and sewage treatment system

US Patent 7862726 Method for regenerating ionic exchange resins used for softening water and device for softening water

US Patent 7867392 Magnetic carrier and membrane bioreactor comprising enzyme for inhibiting biofilm formation

US Patent 7867397 Method for purifying waste water with added oxidizing agent

US Patent 7867398 Method to reduce wastewater treatment plant footprints and costs

US Patent 7870965 Geotextile composite for filtration of contaminated liquids and sediments

US Patent 7871523 Purification of water

US Patent 7871525 Biomass treatment of organic waste or waste water

US Patent 7875179 Side stream type membrane bioreactor process

US Patent 7875180 Water treatment apparatus and method

US Patent 7875181 Water treatment process

US Patent 7879235 Methods for biological purification of waste

US Patent 7879237 Method for biological disposal of organic wastewater and biological disposal apparatus

US Patent 7879238 Process and apparatus for treating nitrogeneous liquor

US Patent 7879239 Wastewater treatment method using immobilized carrier

US Patent 7879240 Method and system for aerating wastewater for re-use

US Patent 7879245 Process for treating industrial effluent water with activtated media

US Patent 7879589 Micro-electron acceptor phosphorus accumulating organisms

US Patent 7883625 Removal of oils from solid surfaces and water with a substance having a high humate level

US Patent 7887706 Method of biofiltration of a liquid effluent

US Patent 7887707 Regeneration of water treatment substrates

US Patent 7892431 Method and device for purification of effluent

US Patent 7892432 Organic waste treatment using anaerobic and facultative anaerobic bacteria

US Patent 7892435 System and method for recycling using nanoceramics

US Patent 7897048 Membrane bioreactor and sewage treatment method

US Patent 7897051 Method for separating proteins from liquid media

US Patent 7910009 Apparatus and methods for water treatment

US Patent 7914682 Method for removing impurities from a urea solution

US Patent 7914683 Particles of spilled oil-absorbing carbon in contact with water

US Patent 7922900 System for water treatment

US Patent 7922901 System for water treatment

US Patent 7922906 Septic system cleaning method

US Patent 7922907 Process for water treatment

US Patent 7922913 Removing oil from surface using dry amorphous silica product with inert carrier

US Patent 7927488 Water purification systems

US Patent 7927493 Low phosphorus water treatment methods

US Patent 7927494 Water reuse method in cleaning device

US Patent 7931802 Water treatment system

US Patent 7931806 Wastewater treatment method and apparatus, biosolids-based food additive, and business application

US Patent 7931807 Method for removing contaminants from ground water

US Patent 7931808 Sequencing batch reactor with continuous membrane filtration and solids reduction

US Patent 7932326 Chelating compounds and immobilized tethered chelators

US Patent 7934619 Cable supported multi-chamber waste water tank

US Patent 7935251 Waste treatment apparatus

US Patent 7935257 Use of

US Patent 7935260 Filtering systems and methods characterized by reduced color throw

US Patent 7938960 Fuel filter and method of adding fuel additive to diesel fuel

US Patent 7959806 Mine influenced water remediation using bioremediation substrate

US Patent 7959813 Continuous fluid treatment system and method

US Patent 7964100 Remediation of waste water

US Patent 7964102 Titanium composition for water treatment and method

US Patent 7967984 Apparatus for water treatment and method of treating water

US Patent 7972512 Suspended media granular activated carbon membrane biological reactor system and process

US Patent 7972532 Composition for odor control

US Patent 7981293 Method and apparatus for treatment of contaminated liquid

US Patent 7981296 Methods of using geotextile composite for filtration of contaminated liquids and sediments

US Patent 7981301 Method and apparatus for treatment of contaminated liquid

US Patent 7988856 Waste water treatment

US Patent 7988860 Superabsorbent-containing web that can act as a filter, absorbent, reactive layer or fuel fuse

US Patent 7988861 Materials based on tangled nanotubes or nanofibres, preparation method thereof and use of same

US Patent 7993522 Conditioning system for activated sludge wastewater treatment processes

US Patent 7993529 Treatment apparatus of organic compounds included in waste water, and a treatment system of organic compounds included in waste water

US Patent 8002990 Uses of fibrillated nanofibers and the removal of soluble, colloidal, and insoluble particles from a fluid