Disposal of wastes with solvent recovery

Details Disposal of wastes with solvent recovery Disposal of wastes with solvent recovery

1985-07-08

1987-11-24

Bascomb, Wilbur

Distillation: processes, separatory

With disparate physical separation

Of entrained particles from a vapor or gas

203 88, 203100, 203DIG25, 110236, 122 7R, 134 12, 134 38, 159 29, 159 473, 159DIG29, 202175, 202176, 202197, 202234, B01D 306

Patent

active

047087757

ABSTRACT:
Volatile matter especially solvents is recovered from waste material using a hot granular material such as sand, as a heat carrier to drive off the solvents, and as a carrier for the non-volatile resin content of the waste; the resins are thermally decomposed in reactions which provide heat to maintain the granular material hot and the granular material is continuously circulated; the exhaust gases from the thermal decomposition of the resins can be used as a source of heat outside the system.

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patent: 4409064 (1983-10-01), Vora et al.
patent: 4478685 (1984-10-01), Mortenson
patent: 4496431 (1985-01-01), Fowler

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