Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With regeneration – reclamation – reuse – recycling or...
Patent
1974-10-21
1980-04-01
Corbin, Arthur L.
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
With regeneration, reclamation, reuse, recycling or...
162 40, 162 65, 162 78, 162 90, D21C 916
Patent
active
041960432
ABSTRACT:
A Kraft pulp bleaching process comprising from one to about three treatments with ozone and a final treatment with an alkaline peroxide solution, the treatments being separated by an alkaline extraction, wherein effluent from the bleach treatments is utilized in subsequent bleaching operations or in the chemical recovery system of a Kraft pulping process.
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Rydholm, Pulping Processes, 1965, p. 583.
Corbin Arthur L.
DeBenedictis Nicholas J.
Foley William J.
Kane, Jr. John W.
Scott Paper Company
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