Apparatus for photographic film processor pollution control

Details Apparatus for photographic film processor pollution control Apparatus for photographic film processor pollution control

1985-08-29

1987-02-03

Castel, Benoit

Liquid purification or separation

Constituent mixture variation responsive

210180, 210181, 210192, 202182, 202202, 203 31, 203 41, B01D 102, B01D 500, C02F 104, C02F 132

Patent

active

046407693

ABSTRACT:
The apparatus uses a combination of technologies for treatment of hazardous and nonhazardous liquid wastes. The first treatment step is an evaporation stage where the liquid wastes are heated. The resulting steam and vapors are then oxidized by photolysis and photolytic catalyzed ozone before they are condensed. The steam and vapors are then condensed and the condensate is passed through a column of activated carbon. The activated carbon absorbs any unoxidized Chemical Oxygen Demanding (COD) species and aids in the control of any odors which may be emitted in the evaporation stage.

REFERENCES:
patent: 4219415 (1980-08-01), Nassef et al.
patent: 4332687 (1982-06-01), Daignault et al.
patent: 4337119 (1982-06-01), Donahue
patent: 4456512 (1984-06-01), Bieler et al.

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