Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With regeneration – reclamation – reuse – recycling or...
Patent
1991-07-31
1992-09-08
Jones, W. Gary
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
With regeneration, reclamation, reuse, recycling or...
162 3011, 162 43, 162 44, 162 45, 423DIG3, D21C 1100
Patent
active
051455560
ABSTRACT:
A one-step slaking/causticizing method for producing white liquor from unslaked lime and clarified green liquor comprising introducing a feed slurry of unslaked lime and clarified green liquor into a pressurized slaker/causticizer reaction zone and maintaining the mixture in the zone at a temperature, under sufficient pressure and for a time sufficient, in one step to slake the lime and to convert the slaked lime to a white liquor containing product slurry.
REFERENCES:
patent: 2539732 (1951-01-01), Donohue
patent: 3194638 (1965-07-01), Neuville
patent: 3210235 (1965-10-01), Ferrigan
Bonsu Alex K.
Perrett Fred J.
Westerberg J. Lennart
Doyle Michael J.
International Paper Company
Jones W. Gary
Lamb Brenda
Zielinski Walt Thomas
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