Production of pure sugars and lignosulfonates from sulfite spent

Details Production of pure sugars and lignosulfonates from sulfite spent Production of pure sugars and lignosulfonates from sulfite spent

1985-10-04

1986-12-23

Therkorn, Ernest G.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210659, 127 30, 127 462, 127 55, 162 16, 162 36, B01D 1508

Patent

active

046311297

ABSTRACT:
Sulfite spent liquor is subjected to a two-step chromatographic separation to form substantially purified fractions of sugars and lignosulfonates. The process for the separation of sugars and lignosulfonates comprises the steps of

REFERENCES:
patent: 4008285 (1977-02-01), Melaja
patent: 4366060 (1982-12-01), Leiser
patent: 4379751 (1983-04-01), Yoritomi
patent: 4391649 (1983-07-01), Shimizu
Proceedings of the Technical Association of the Pulp and Paper Industry, 1982 International Sulfite Pulping Conference, pp. 165-170, Toronto, Ontario, Oct. 20-22, 1982.
The Ekman-Days 1981, Poster Sessions 1 & II, vol. 5, International Symposium on Wood and Pulping Chemistry, Stockholm, Jun. 9-12, 1981.

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