Bleaching procedure using chlorine dioxide and chlorine solution

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Treatment with particular chemical

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423478, 423506, C01B 1102, D21C 914

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active

043257836

ABSTRACT:
The adverse effects of dissolved organic material in the aqueous phase of pulp suspensions during bleaching using mixtures of chlorine dioxide and chlorine are overcome by applying the chlorine dioxide and chlorine serially to the pulp in two steps without an intermediate wash. An aqueous solution of chlorine dioxide and chlorine in which the chlorine constitutes from about 6 to about 10% of the total available chlorine of the solution is used in the first step and chlorine is used in the second step. The aqueous solutions are formed by dissolving in water chlorine dioxide and chlorine formed in a chlorine dioxide generator.

REFERENCES:
patent: Re28884 (1976-06-01), Juck et al.
patent: 2166330 (1939-07-01), Vincent
patent: 2741536 (1956-04-01), Stone
patent: 3433702 (1969-03-01), Juck et al.
patent: 3536577 (1970-10-01), Rapson et al.
patent: 3802958 (1974-04-01), Croon et al.
patent: 3864456 (1975-02-01), Winfield et al.
patent: 4039372 (1977-08-01), Reeve et al.
patent: 4086329 (1978-04-01), Cowley et al.

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