Process for reducing the concentration of haloorganic compounds

Details Process for reducing the concentration of haloorganic compounds Process for reducing the concentration of haloorganic compounds

1986-11-20

1988-08-16

Spear, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210748, 210909, B01D 1104

Patent

active

047642785

ABSTRACT:
A method and apparatus for reducing the concentration of haloorganic compounds in water-contaminated with haloorganic compounds is disclosed. The haloorganic compounds are extracted from the water and concentrated into certain water immiscible alkane hydrocarbon solvent. The solvent is separated from the water, is regenerated by ultraviolet radiation to degrade the haloorganics, and is recirculated to contact additional contaminated water. After extraction the water separated from the solvent may be subjected to conventional drinking water treatment, or passed to groundwater.

REFERENCES:
patent: 4287038 (1981-09-01), Geiser et al.
patent: 4401570 (1983-08-01), Blytas et al.
Nakada, Jr.; M. et al., Photochemical Dehalogenation of Polyhalobenzenes, Bull. Chem. Soc., Japan 56: pp. 2447-2451 (1983).

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