Biochemical treatment system and method for sulfur-containing printing and dyeing wastewater
A printing and dyeing wastewater and biochemical treatment technology, applied in chemical instruments and methods, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., can solve the problems of increasing the operating cost of sewage and wastewater treatment processes, and achieve the solution of pharmaceutical costs High, reduce the impact load, reduce the effect of loss
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[0022] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0023] like figure 1 The shown biochemical treatment system for sulfur-containing printing and dyeing wastewater includes an aerobic tank 1, an intermediate sedimentation tank 2 and an anaerobic tank 3 connected in sequence, and the aerobic tank 1 is an open container structure and is provided with a Aeration channel 4, the bottom of the aeration channel 4 is provided with an aerator 6, the bottom of the aerobic pool 1 is laid with an aerobic pool water distribution pipe 7, and the middle of the aerobic pool 1 is filled with aerobic filler 8, and the anaerobic pool 1 is filled with aerobic...
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