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Distillery effluent treated by evaporation - and alkali to COD level amenable to biological purification
Distillery effluent treated by evaporation - and alkali to COD level amenable to biological purification
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机译:蒸馏废水经蒸发和碱处理至COD水平适于生物净化。
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摘要
Before evaporation, the effluent is pre-heated and then distilled, the heat of distillation being recovered in the evaporative process, which is pref. carried out in a multistage evaporation plant, during which the vapour is treated with an alkaline solution, e.g. by washing in the separator of each evaporator stage, so that the final condensate has a C.O.
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