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industrial wastewater treatment design of xinfeng dyed fabric mill in shanghai

¡¡¡¡abstract: due to the high level dyestuff content the wastewater discharged from the xinfeng dyed fabric mill in shanghai with flowrate of 500 m3/d is not easy to be treated. in the design stage a great deal of measures including the split-flow to separate the concentrated and diluted liquids, aerobic blasting, air flotation and ultra-filtration etc were taken into consideration to recovery and reuse parts of the lost dyestuff. therefore, the quality of the effluent of the wastewater treatment is much better than the requirement of the national wastewater discharge standard. best social and economical benefits have been obtained.

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