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Title: Method to separate lignin-rich solid phase from acidic biomass suspension at an acidic pH

A method of separating a lignin-rich solid phase from a solution suspension, by pretreating a lignocellulosic biomass with a pretreatment fluid having remove soluble components, colloidal material and primarily lignin containing particles; separating the pretreated lignocellulosic biomass from the pretreatment fluid with soluble components, colloidal material and primarily lignin containing particles; flocculating the separated pretreatment fluid with soluble components, colloidal material and primarily lignin containing particles using polyethylene oxide (i.e., PEO) or cationic Poly acrylamide (i.e., CPAM) as a flocculating agent; and filtering the flocculated separated pretreatment fluid with soluble components, colloidal material and primarily lignin containing particles to remove agglomerates.
Inventors:
; ;
Issue Date:
OSTI Identifier:
1379217
Assignee:
The Research Foundation for The State University of New York GFO
Patent Number(s):
9,751,781
Application Number:
14/387,169
Contract Number:
FG36-07GO87004
Resource Relation:
Patent File Date: 2013 Mar 15
Research Org:
The Research Foundation for The State University of New York, Binghamton, NY (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS

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