Process for preparation of potassium salts from pulp of lignocel

Details Process for preparation of potassium salts from pulp of lignocel Process for preparation of potassium salts from pulp of lignocel

1986-05-28

1988-04-05

Chin, Peter

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Including recovery of organic by-product

162 16, 162 29, 162301, 162 3011, 162 31, 162 32, 162 83, 162 86, 423DIG3, D21C 1100, D21C 1112, D21C 304, D21C 302

Patent

active

047356839

ABSTRACT:
Described herein is a process for producing potassium salts from potassium-based liquors for pulping of lignocellulosic material. The process comprises the steps of

REFERENCES:
patent: 1303916 (1919-05-01), Kermer et al.
patent: 2308364 (1943-01-01), Hatch
patent: 2623040 (1952-12-01), Keilen et al.
patent: 3020195 (1962-02-01), Casciani et al.
patent: 3728438 (1973-04-01), Nasyrov
patent: 3944463 (1976-03-01), Samuelson et al.
patent: 4249990 (1981-02-01), Gilbert et al.
Nikitin et al., "Precipitation of Alkali Lignin by Carbon Dioxide Under Pressure", translated from Bumaznaya Promyshlenhost, v. 38, No. 5, 1964, pp. 14-15.

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