Process for photochlorination

Details Process for photochlorination Process for photochlorination

1995-10-03

1998-05-12

Gorgos, Kathryn

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415795, 20415811, 2041582, C07C 1700

Patent

active

057500100

ABSTRACT:
An improvement in the process for the photochlorination of liquid mixtures of 1,1-dichloro-1-fluoroethane and unsaturated hydrocarbons with ultraviolet light is disclosed. The improvement comprises using ultraviolet light emitted from an ultraviolet light source having an ultraviolet radiation efficiency of at least 0.01 Einsteins per inch of arc per 100 watts input at a wavelength that is substantially the same as the wavelength absorption band of chlorine.

REFERENCES:
patent: 4948479 (1990-08-01), Brooks et al.
patent: 5190626 (1993-03-01), Yates et al.
patent: 5326918 (1994-07-01), Correia et al.
Braun et al "Photochemical Technology", John Wiley & Sons, NY pp. 113 & 233 (1991) Month unavailable.

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