Deep waste water treatment process



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.




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