Concentrating evaporators – Processes – Involving waste liquid
Patent
1988-09-15
1992-07-28
Bascomb, Wilbur
Concentrating evaporators
Processes
Involving waste liquid
159 171, 159 46, 110235, 110238, 122 7C, 162 301, 162 31, 162 47, 422184, 422185, B01D 126, D21C 1110, D21C 1112
Patent
active
051338319
ABSTRACT:
A method of drying black liquor to a dry solids content of about 100% in which water is evaporated from the black liquor by direct heat exchange contact with hot smelt from a recovery furnace in which the dried black liquor is burned.
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Ahlstromforetagen Svenska AB
Bascomb Wilbur
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