US Patent 7794604 Method for removing lignin from water
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Patent abstract
The invention relates to a method for removing lignin from an aqueous solution. It is accomplished by adding a calcium compound and an aluminium compound to said solution. Said calcium compound is preferably calcium chloride and said aluminium compound is preferably a polymeric aluminium hydroxide salt.
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Patent Inventor Names
Arja Paloniemi0
Heikki Palonen0
Päivi Rousu0
Reetta Taittonen0
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US Patent 07794604 Method for removing lignin from water US Patent 7794604 Method for removing lignin from water
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Patent Number
077946040
Patent Number
77946040
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Official Website
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Patent Jurisdiction
Patent Number
077946040
Date of Patent
September 14, 2010
0Patent Application Number
115718460
Date Filed
July 8, 2005
0Official Website
Patent Primary Examiner
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US Patent 07794604 Method for removing lignin from water
Infobox
Is a
Patent jurisdiction
Patent number
07794604
Date of patent
September 14, 2010
Patent application number
11571846
Date Filed
July 8, 2005
Patent primary examiner
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