C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
195/129, 195/139
C12P 7/06 (2006.01) A23K 1/00 (2006.01) A23K 1/14 (2006.01) C12N 1/22 (2006.01) C12P 7/14 (2006.01) C12P 19/02 (2006.01) C12P 21/00 (2006.01) C12P 39/00 (2006.01)
Patent
CA 1327537
Abstract of the Disclosure A feedstock containing a biomass such as lignocellulosic materials, e.g. forest biomass; agricultural residues; or manures, is pretreated and thereafter is fractionated into cellulose, lignin and hemicelluloses. New mutants are disclosed which include Chaetomium cellulolyticum IAF-101, Chaetomium cellulolyticum IAF-102, Asperqillus sp. IAF-201, Penicillum sp. IAF-603, and Trichoderma reesei QMY-1. With these new mutants and also known fungi including Pleurotus sajor-caju and other Pleurotus spp. unfractionated pretreated biomass is converted into feed. The same tretment can also be applied to hemi- celluloses, and cellulose. Cellulose can also be hydrolysed by means of a cellulase-system prepared from cellulose and Tricoderma reesei to prepare glucose which can be converted to alcohol with Saccharomyces cerevisiae, Kluyveromyces spp. and Zymomonas mobilis. The residual microbial biomass of these microorganisms from alcohol fermentation broth is also used as feed. The process is economical and non polluting.
546005
Institut Armand-Frappier
Swabey Ogilvy Renault
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