Enzymatic bleaching of chemical lignocellulose pulp

Details Enzymatic bleaching of chemical lignocellulose pulp Enzymatic bleaching of chemical lignocellulose pulp

1995-06-01

1997-04-08

Alvo, Steven

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Treatment with particular chemical

435277, 435278, D21C 320, D21C 910

Patent

active

056183860

ABSTRACT:
A process for treating lignocellulose pulp using a preparation containing at least one enzyme that produces a solubilizing action and, potentially, a hemicellulolytic action on lignin. The enzymes are derived from the bacterium Streptomyces viridosporus. This enzymatic treatment may be used for the separation of lignin from lignocellulose pulp in a procedure, for example, that complements a bleaching treatment.

REFERENCES:
patent: 4478747 (1984-10-01), Crawford et al.
Abstract Bulletin of the Institute of Paper Chemistry vol. 5, No. 8. Fevrier 1988, Appleton US P. 1038; Ramachandra, M.: Crawford, D. L.; Pometto, A.L.; "Extracellular enzyme activities during lignocellulose degradation by Streptomyces spp: comparative study of wild-type and genetically . . . ".

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