Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
March 3, 2009
Patent Application Number
11611599
Date Filed
December 15, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method dewatering thin stillage process streams generated in the processing of grain to ethanol comprising adding to the process streams an effective flocculating amount of an anionic copolymer comprising acrylic acid sodium salt, methacrylic acid sodium salt or 2-acrylamido-2-methyl-1-propanesulfonic acid sodium salt to form a mixture of water and flocculated solids; and separating the water from the flocculated solids using a dewatering device.
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