Apparatus for reacting lignocellulosic material with a gas phase

Details Apparatus for reacting lignocellulosic material with a gas phase Apparatus for reacting lignocellulosic material with a gas phase

1987-03-05

1988-08-09

Therkorn, Ernest G.

Paper making and fiber liberation

Apparatus

Digester

162241, 162242, 162246, 422189, 422232, D21C 108, D21C 700

Patent

active

047625910

ABSTRACT:
Apparatus for reacting lignocellulosic material with a gas phase comprising a nitrogen oxide and oxygen under controlled gas pressure in the presence of water, for example, as a pretreatment before an alkaline delignification, comprising in combination:

REFERENCES:
patent: 1643566 (1929-09-01), Thorne
patent: 2932613 (1960-04-01), Huesler
patent: 3525665 (1970-08-01), Gessner
patent: 4076579 (1978-02-01), Brink
patent: 4087318 (1978-05-01), Samuelson
patent: 4283251 (1981-08-01), Singh
patent: 4384920 (1983-05-01), Markham
patent: 4406735 (1983-09-01), Samuelson

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