Process for rapid dewatering and drying of calcium sulfate hemih

Details Process for rapid dewatering and drying of calcium sulfate hemih Process for rapid dewatering and drying of calcium sulfate hemih

1982-02-16

1984-03-06

Garris, Bradley

Chemistry: physical processes

Physical processes

23304, 423555, B01D 114, C01F 1146, C04B 1102

Patent

active

044351836

ABSTRACT:
A process for rapidly dewatering and drying calcium sulfate hemihydrate in a centrifuging and flash drying operation by ejecting the wet solids from the centrifuge bowl directly into the flash dryer's high velocity, high volume, heated air stream.

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patent: 3956456 (1976-05-01), Keller et al.
patent: 4086099 (1978-04-01), Prudhon et al.
patent: 4234345 (1980-11-01), Fassle
patent: 4247518 (1981-01-01), Charlet et al.

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