Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Including recovery of organic by-product
Patent
1978-03-01
1980-02-12
Bashore, S. Leon
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
Including recovery of organic by-product
162 29, 162 30K, 162 60, 162 89, 162DIG8, D21C 1112
Patent
active
041882601
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: 3764461 (1973-10-01), Baierl
patent: 3764462 (1973-10-01), Baierl
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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