Distillation: processes – separatory – With chemical reaction – Including step of adding catalyst or reacting material
Patent
1974-04-15
1976-12-07
Yudkoff, Norman
Distillation: processes, separatory
With chemical reaction
Including step of adding catalyst or reacting material
424352, 260648C, 203 74, B01D 334
Patent
active
039961125
ABSTRACT:
Ultra high purity hexachlorocyclopentadiene is obtained by a two-stage distillation procedure, in the first stage of which crude hexachlorocyclopentadiene is distilled to separate hexachlorobutadiene as a distillate and in the second stage, ultra high purity hexachlorocyclopentadiene is obtained as a distillate fraction and octachlorocyclopentene is obtained as a distillation residue.
REFERENCES:
patent: 2752297 (1956-06-01), Kleiman
patent: 2945893 (1960-07-01), Steinhofer
patent: 3356725 (1967-12-01), McBee
Casella Peter F.
Hooker Chemicals & Plastics Corporation
Mudd James F.
Sofer J.
Stein David A.
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