US Patent 7563421 Hydrometallurgical process of nickel oxide ore
Patent 7563421 was granted and assigned to Sumitomo Metal Mining Co., Ltd. on July, 2009 by the United States Patent and Trademark Office.
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Patent Inventor Names
Hirofumi Shouji0
Hiroshi Kobayashi0
Masaki Imamura0
Naoyuki Tsuchida0
Yoshitomo Ozaki0
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Patent abstract
A hydrometallurgical process based on pressure leaching at elevated temperature for recovering nickel from nickel oxide ores, characterized by a simplified and efficient process as a whole, realizing a simplified leaching stage, reduced neutralizer consumption and precipitate production in the neutralization stage, and efficient use of recycled water.
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US Patent 07563421 Hydrometallurgical process of nickel oxide ore US Patent 7563421 Hydrometallurgical process of nickel oxide ore
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Patent Number
075634210
Patent Number
75634210
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Current Assignee
Patent Jurisdiction
Patent Number
075634210
Date of Patent
July 21, 2009
0Patent Application Number
111253250
Date Filed
May 10, 2005
0Official Website
Patent Primary Examiner
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US Patent 07563421 Hydrometallurgical process of nickel oxide ore
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07563421
Date of patent
July 21, 2009
Patent application number
11125325
Date Filed
May 10, 2005
Patent primary examiner
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