Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With regeneration – reclamation – reuse – recycling or...
Patent
1987-06-09
1989-08-01
Alvo, Steve
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
With regeneration, reclamation, reuse, recycling or...
162 39, 162 43, 162 44, 162 45, 162 81, 162 63, D21C 316
Patent
active
048530824
ABSTRACT:
A process is provided for the activation and delignification of cellulose pulp, which comprises:
REFERENCES:
patent: 3578553 (1971-05-01), Godsay et al.
patent: 4076579 (1978-02-01), Brink
patent: 4406735 (1987-09-01), Samuelson
patent: 4439271 (1984-03-01), Samuelson
Alvo Steve
Mooch Domsjo Aktiebolag
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