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Title: Lignin-blocking treatment of biomass and uses thereof

Abstract

Disclosed is a method for converting cellulose in a lignocellulosic biomass. The method provides for a lignin-blocking polypeptide and/or protein treatment of high lignin solids. The treatment enhances cellulase availability in cellulose conversion. Cellulase efficiencies are improved by the protein or polypeptide treatment. The treatment may be used in combination with steam explosion and acid prehydrolysis techniques. Hydrolysis yields from lignin containing biomass are enhanced 5-20%, and enzyme utilization is increased from 10% to 50%. Thus, a more efficient and economical method of processing lignin containing biomass materials utilizes a polypeptide/protein treatment step that effectively blocks lignin binding of cellulase.

Inventors:
 [1];  [2]
  1. Hanover, NH
  2. Norwich, VT
Publication Date:
Research Org.:
Dartmouth College
Sponsoring Org.:
USDOE Office of Solar Thermal, Biomass Power, and Hydrogen Technologies (EE-13)
OSTI Identifier:
989010
Patent Number(s):
7,604,967
Application Number:
10/391,740
Assignee:
The Trustees of Dartmouth College (Hanover, NH) GFO
DOE Contract Number:  
FC36-00GO10589; FC36-01GO11075
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
60 APPLIED LIFE SCIENCES

Citation Formats

Yang, Bin, and Wyman, Charles E. Lignin-blocking treatment of biomass and uses thereof. United States: N. p., 2009. Web.
Yang, Bin, & Wyman, Charles E. Lignin-blocking treatment of biomass and uses thereof. United States.
Yang, Bin, and Wyman, Charles E. Tue . "Lignin-blocking treatment of biomass and uses thereof". United States. https://www.osti.gov/servlets/purl/989010.
@article{osti_989010,
title = {Lignin-blocking treatment of biomass and uses thereof},
author = {Yang, Bin and Wyman, Charles E},
abstractNote = {Disclosed is a method for converting cellulose in a lignocellulosic biomass. The method provides for a lignin-blocking polypeptide and/or protein treatment of high lignin solids. The treatment enhances cellulase availability in cellulose conversion. Cellulase efficiencies are improved by the protein or polypeptide treatment. The treatment may be used in combination with steam explosion and acid prehydrolysis techniques. Hydrolysis yields from lignin containing biomass are enhanced 5-20%, and enzyme utilization is increased from 10% to 50%. Thus, a more efficient and economical method of processing lignin containing biomass materials utilizes a polypeptide/protein treatment step that effectively blocks lignin binding of cellulase.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Oct 20 00:00:00 EDT 2009},
month = {Tue Oct 20 00:00:00 EDT 2009}
}

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