Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With regeneration – reclamation – reuse – recycling or...
Patent
1977-05-05
1978-08-01
Bashore, S. Leon
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
With regeneration, reclamation, reuse, recycling or...
162 30K, 162 48, 162 60, 162 62, 162 68, 162 89, D21C 318
Patent
active
041041143
ABSTRACT:
A pulp mill bleach plant operation having a low effluent volume, a low consumption of water, energy and chemicals, and yet provides efficient bleaching, caustic extraction and washing is described. Water conservation is practised by controlling the use of wash water in the bleach plant, controlling the design and operation of washers, deckers and other mechanical devices used in the bleach plant and controlling the inflow of water with chemicals. An aqueous polluting effluent-free pulp mill water utilization system is also described.
REFERENCES:
patent: 4000033 (1976-12-01), Nicolle et al.
patent: 4039372 (1977-08-01), Reeve et al.
Rapson W. Howard
Reeve Douglas W.
Rowlandson Gordon
Bashore S. Leon
Erco Envirotech Ltd.
Smith William F.
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