Nontoxic cellulose solvent and process for forming and utilizing

Details Nontoxic cellulose solvent and process for forming and utilizing Nontoxic cellulose solvent and process for forming and utilizing

1979-10-03

1981-05-05

Marantz, Sidney

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

162 1, 162 76, 162 79, 162 90, 252364, 252397, 435 99, C13K 102

Patent

active

042656753

ABSTRACT:
A nontoxic cellulose solvent and process for forming and utilizing the same. The solvent includes a metal chelating agent, a metal compound, an oxygen scavenging stabilizing agent and a caustic swelling agent with the disclosed solvent being prepared in either aqueous or solid form. The solvent is caused to contact cellulosic materials in order to dissolve cellulose therefrom. The dissolved cellulose may be reprecipitated and may then be hydrolyzed by cellulose enzyme or acid to yield glucose with lignin being removed either before or after hydrolysis has occurred.

REFERENCES:
patent: 3251716 (1966-05-01), Porter
patent: 4024335 (1977-05-01), Nicholson
D. Braun, Agnew. Makromol. Chem., 42(1), 77-89, (1975).
Chemical Abstracts, 51:10904a (1957).
Chemical Abstracts, 64:2269b (1966).

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