Wet-processing apparatus for photographic emulsion carriers with

Details Wet-processing apparatus for photographic emulsion carriers with Wet-processing apparatus for photographic emulsion carriers with

1978-08-01

1980-02-26

Moore, Christopher, K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15306A, 134 64P, 134122P, G03D 313

Patent

active

041898036

ABSTRACT:
The apparatus includes a washing unit at which film is washed with wash water, including a wash-water tank containing a body of wash water, and also a drier unit from which drying air is continually exhausted. Exhausted drying air from the drier unit is transmitted into the body of wash water in the wash-water tank. Alternatively, or in addition thereto, exhausted drying air is transmitted into the outflow conduit system for spent wash water. The wash water becomes oxygen-enriched and when sewered the oxygen demand of any processing fluids in the wash water poses a reduced threat to lifeforms in rivers and streams. Disposal of exhausted drying air in this way eliminates the need for chimney discharge, and the like.

REFERENCES:
patent: 3350248 (1967-10-01), Demarest et al.
patent: 3660910 (1972-05-01), Evans et al.
patent: 3849831 (1974-11-01), DeVerter et al.
patent: 4045839 (1977-09-01), Parsonage

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