Process for treating cellulosic materials and obtaining...

Details Process for treating cellulosic materials and obtaining... Process for treating cellulosic materials and obtaining...

C - Chemistry, Metallurgy

12

P

195/139

C12P 19/02 (2006.01) C12N 9/42 (2006.01) C13K 1/02 (2006.01)

Patent

CA 1118380

ABSTRACT A process is disclosed for treating cellulosic mater- ials and obtaining glucose therefrom, which process can include recovering of cellulose from cellulosic materials. Cellulose is recovered by treating the cellulosic materials to remove hemicellulose, then dis- solving the cellulosic materials in solvent, after which lignin is removed and the cellulose is then pre- cipitated from the remaining solution. The cellulose may be recovered in sheets or in long threads, fibers or as a flocculent material, and may then be hydrolyzed to provide glucose by subjecting the cellulose to a acid. A yield of glucose may also be obtained by hydrolyzing the cellulose materials that have been dis- solved in a solvent and then separating lignin from the glucose.

322980

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