Process for delignifying bleaching lignin-containing cellulose p

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With regeneration – reclamation – reuse – recycling or...

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162 65, 162 81, D21C 104, D21C 316, D21C 910

Patent

active

046029826

ABSTRACT:
A process is provided for delignifying bleaching lignin-containing cellulose pulp which comprises:

REFERENCES:
patent: 1040198 (1932-01-01), Heimann et al.
patent: 1829852 (1931-11-01), Darling
patent: 1923292 (1933-08-01), Bassett
patent: 4076579 (1978-02-01), Brink

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