Dynamic combined reaction device for biological treatment of printing and dyeing wastewater
A technology for biological treatment, printing and dyeing wastewater, applied in textile industry wastewater treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., to achieve direct economic benefits, improve removal effect, and reduce membrane pollution.
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[0019] The alkali reduction dyeing and finishing wastewater of a printing and dyeing enterprise is treated with the device of the present invention. The volume of the anaerobic baffle reaction zone is 160L, the volume of the aerobic dynamic reaction zone 6 is 80L, and the effective volume of the reflux chamber 17 is 15L. . Laying on the bottom of baffle chamber 3 is bright black, with an average particle size of 3.5mm anaerobic granular sludge 21. Each baffle chamber 3 is inoculated with 5kg of anaerobic granular sludge, and the packing layer 4 is filled with a series of elastic Packing, the volume of the packed packing accounts for 30% of the effective volume of each baffle chamber 3. Inoculate the domesticated surplus sludge, the sludge concentration is 20g / L. There are perforated aeration pipes 14 on both sides of the bottom of the non-woven membrane module 15 for aeration, and the domesticated activated sludge is fully mixed with the printing and dyeing wastewater, and par...
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