Process for the delignification of lignocellulosic material with

Details Process for the delignification of lignocellulosic material with Process for the delignification of lignocellulosic material with

1984-10-01

1986-11-11

Alvo, Steve

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Gas, vapor or mist contact

162 72, 162 77, 162 79, 162 96, D21C 9147

Patent

active

046221000

ABSTRACT:
The use of primary and secondary amines and certain other compounds in ferricyanide assisted oxygen delignifying bleaching of lignocellulosic pulps permits more rapid removal of a desired amount of lignin from the pulp and, hence, the retention of higher pulp viscosity.

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