Distillation: processes – separatory – Adding material to distilland except water or steam per se – Organic compound
Patent
1996-07-12
2000-12-05
Bhat, Nina
Distillation: processes, separatory
Adding material to distilland except water or steam per se
Organic compound
203 99, 570178, B01D 334, C07C 1738
Patent
active
061561614
ABSTRACT:
A process is disclosed for removing chloropentafluoroethane (CFC-115) from a mixture comprising CFC-115, difluoromethane (HFC-32), pentafluoroethane (HFC-125), or from mixtures of these compounds, by azeotropic or extractive distillation.
REFERENCES:
patent: 3732150 (1973-05-01), Bailey
patent: 4843181 (1989-06-01), Gumprecht et al.
patent: 5087329 (1992-02-01), Felix
patent: 5346595 (1994-09-01), Clemmer et al.
patent: 5367103 (1994-11-01), Guglielmo et al.
patent: 5421964 (1995-06-01), Mahler et al.
patent: 5453551 (1995-09-01), Lacroix et al.
patent: 5585529 (1996-12-01), Corbin et al.
Bhat Nina
E. I. Du Pont de Nemours and Company
Shipley James E.
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