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

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United States of America Patent

PATENT NO 9751781
APP PUB NO 20150044733A1
SERIAL NO

14387169

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Abstract

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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.

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Patent OwnerAddress
THE RESEARCH FOUNDATION OF STATE UNIVERSITY OF NEW YORK1576 SWEET HOME ROAD STOR INTELLECTUAL PROPERTY DIVISION UB TECHNOLOGY INCUBATOR SUITE 111 AMHERST NY 14228

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Amidon, Thomas Jamesville, US 2 39
Ramarao, Bandaru V Fayetteveille, US 12 94
Yasarla, Lakshmi Rakesh Kumar Vijayawada, IN 1 0

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