System and process for treatment of cyanide-containing waste

Details System and process for treatment of cyanide-containing waste System and process for treatment of cyanide-containing waste

1992-12-21

1993-10-26

Dawson, Robert A.

Liquid purification or separation

Processes

Separating

210175, 210178, 210179, 210181, 210904, 210149, 210134, 165 66, B01D 3518

Patent

active

052563138

ABSTRACT:
A system and process are provided for treatment of cyanide-containing waste to form a substantially detoxified reaction product. The system comprises a reaction vessel, a heat exchange conduit extending through the reaction vessel to provide a flow path for heat exchange fluid, a heating loop for circulating heat exchange fluid through the heat exchange conduit at a temperature sufficient to initiate hydrolysis of cyanides in cyanide-containing waste to form the substantially detoxified reaction product, a cooling loop for circulating heat exchange fluid through the heat exchange conduit at a temperature sufficient to cool the substantially detoxified reaction product to a discharge temperature, and an apparatus for diverting flow of heat exchange fluid from the heating loop to the cooling loop.

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