Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Akira Ako0
Sadao Kitagawa0
Date of Patent
May 11, 2010
0Patent Application Number
116294840
Date Filed
September 7, 2005
0Patent Primary Examiner
Patent abstract
Lignin and alkali are efficiently sorted out of alkaline black liquor discharged from the paper manufacturing/pulp and paper manufacturing industries and the treated water is made as purified water.
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