Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With regeneration – reclamation – reuse – recycling or...
Patent
1983-11-30
1986-07-29
Alvo, Steve
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
With regeneration, reclamation, reuse, recycling or...
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
Alvo Steve
Mo och Domsjo Aktiebolag
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