Method of bleaching pulp with an aqueous solution of chlorine di

Details Method of bleaching pulp with an aqueous solution of chlorine di Method of bleaching pulp with an aqueous solution of chlorine di

1979-11-29

1981-11-10

Bashore, S. Leon

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Treatment with particular chemical

423478, 423506, 423552, C01B 1102, D21C 914

Patent

active

042996538

ABSTRACT:
The advantages of the serial application of chlorine dioxide and chlorine without intermediate wash during the bleaching of wood pulp in the absence of significant amounts of dissolved organic materials are improved by the presence of small quantities of dissolved chlorine in the chlorine dioxide solution.

REFERENCES:
patent: Re28884 (1976-06-01), Jack et al.
patent: 2166330 (1939-07-01), Vincent
patent: 3433702 (1969-03-01), Jack et al.
patent: 3536577 (1970-10-01), Rapson et al.
patent: 3864456 (1975-02-01), Winfield et al.
patent: 4086329 (1978-04-01), Cowley et al.

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