Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroshi Murakami0
Toru Ida0
Yutaka Inada0
Date of Patent
July 15, 2008
0Patent Application Number
112918220
Date Filed
December 2, 2005
0Patent Primary Examiner
Patent abstract
Disclosed herein is a method for treatment of arsenic-contaminated soil, said method being capable of insolubilizing arsenic compounds (in organic form or tri- or pentavalent inorganic form), thereby reducing their leaching level below the environmental standard value for soil. The method consists of heating arsenic-contaminated soil at 200 to 700° C. and mixing the heated soil with a calcium compound and water. The method also consists of mixing arsenic-contaminated soil with a calcium compound, heating the mixed soil at 200 to 700° C., and mixing the heated soil with water.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
