Recycling method for photographic processing waste liquid

Radiation imagery chemistry: process – composition – or product th – Regenerating image processing composition

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430399, 430400, 430451, 430485, 159 173, 159DIG16, 202205, 203 91, G03C 300, G03C 518, G03C 526, G03C 538

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active

055738958

ABSTRACT:
A recycling method for photographic processing waste liquid is disclosed. The photographic processing waste liquid is subjected to evaporative concentration under a reduced pressure of not higher than 700 mmHg and at a temperature of not higher than 90.degree. C. The resulting distillate is used as a solvent for photographic processing agents or as an evaporation compensator for processing tanks of an automatic processing machine.

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