Deep waste water treatment process

一种废水深度处理工艺

Abstract

The invention belongs to the technical field of waste water treatment and particularly relates to a deep waste water treatment process. The process comprises the following steps that 1, waste water treated through a biochemical tank enters a reaction tank, a chemical agent is added, and adsorption treatment is conducted; 2, the waste water enters a tubular membrane filter through an intermediate tank, water obtained after filtration is drained, and concentrated liquor flows back into the intermediate tank; 3, after sludge in the intermediate tank is subjected to filter pressing, filtrate flows back into the biochemical tank, and mud cakes are transported outward. The deep waste water treatment process is simple in process, low in investment and good in effect; deep treatment is conducted behind existing treatment facilities, operation of existing equipment and facilities is not affected, and quality of outlet water is effectively improved.
本发明属于废水处理技术领域,具体而言,涉及一种废水深度处理工艺。包括以下步骤,1)经生化池处理的废水进入反应池,添加药剂,进行吸附处理;2)再经中间池进入管式膜过滤器,滤出水排放,浓缩液回流至中间池;3)中间池内污泥经压滤后,滤液回流至生化池,泥饼外运。本发明提供一种工艺简单、投资少、效果好的废水深度处理工艺,在现有处理设施后进行深度处理,不影响现有设备设施运行,并有效提高出水水质。

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