Saccharification of cellulose

Details Saccharification of cellulose Saccharification of cellulose

1978-08-24

1980-11-25

Marantz, Sidney

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing oxygen-containing organic compound

127 37, C13K 102, C12C 1100

Patent

active

042359686

ABSTRACT:
A method for effecting saccharification of raw cellulosic material taken from any available source. In the first step, the raw material is immersed in a caustic solution which swells the cellular structure to render it more reactive and acts to solubilize the lignins and other compounds contained therein, these being washed away to provide a prepared cellulosic material. In the second step, the prepared material is subjected to a viscose process to produce a viscous solution of sodium cellulose xanthate in sodium hydroxide, from which solution the aqueous phase is separated to provide a viscose intermediate. In the final step, the viscose intermediate is hydrolyzed by immersing it in a bath of anhydrous liquid hydrogen chloride to yield usable glucose and other products.

REFERENCES:
patent: 1864838 (1932-06-01), Langwell
patent: 2289808 (1942-07-01), Severson
patent: 2481263 (1949-09-01), Tsuchiya
patent: 2778751 (1957-01-01), Riehm
patent: 2951775 (1960-09-01), Apel
patent: 3391135 (1968-07-01), Ouno

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