Delignification of lignocellulosic material with an alkaline pul

Details Delignification of lignocellulosic material with an alkaline pul Delignification of lignocellulosic material with an alkaline pul

1976-12-14

1977-07-19

Corbin, Arthur L.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Gas, vapor or mist contact

8111, 162 72, 162 82, 162 86, 162 90, D21C 320, D21C 910

Patent

active

040366812

ABSTRACT:
Delignification of lignocellulosic material, such as wood, straw or bagasse, by treatment with an alkaline pulping liquor containing a diketo hydroanthracene selected from the unsubstituted and lower alkyl substituted Diels Alder adducts of benzoquinone and naphthoquinone.

REFERENCES:
patent: 4012280 (1977-03-01), Holton

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