Apparatus for pollution control of industrial waste systems

Concentrating evaporators – Open pans

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159 44, 159 473, 159901, 159DIG1, 202160, 202181, 202206, 203 2, 203 10, 354324, B01D 100

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047240440

ABSTRACT:
Method and apparatus for disposing of waste rinse water used in photographic processes in which the waste rinse water is heated in a dissolution tank to be reduced to a slurry which is accumulated and stored in drums for later processing. The apparatus is compact consisting of separate tanks for the different rinse water, a holding tank to collect the contaminated rinse water and a separate dissolution tank. There is no discharge of any liquid waste products into the environment.

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patent: 4533225 (1985-08-01), Shiga

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