试题与答案

污水处理流程中,粗粒化罐的作用说法正确的是()。 A.污水经粗粒化罐处理后油珠粒径变

题型:单项选择题

题目:

污水处理流程中,粗粒化罐的作用说法正确的是()。

A.污水经粗粒化罐处理后油珠粒径变小

B.污水经过粗粒化罐后由于油珠粒径的变化增加了其在混凝除油罐内停留时间

C.污水经过粗粒化罐后进入混凝除油罐前一般不再投加混凝剂

D.粗粒化罐也可设计在混凝除油罐之后

答案:

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