JOURNAL OF TEXTILE RESEARCH ›› 2017, Vol. 38 ›› Issue (08): 172-180.doi: 10.13475/j.fzxb.20160603209

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Research progress on deep treatment and recycling of  dye wastewater

  

  • Received:2016-06-13 Revised:2017-03-14 Online:2017-08-15 Published:2017-08-10

Abstract:

Dye wastewater has some problems such as high alkalinity, complex composition and poor diodegradability. In order to optimize the advanced treatment process and improve the treatment efficiency of dye wastewater, the characteristics of dye wastewater were analyzed and the primary processes for the various stages (preteratment, biochemical treatment and deep treatment) were reviewed in advanced treatment processes. The selective difference between conventional advanced treatment process and membrane separation process for removal impurities of dye wastewater were compared. The reaults showed that the pretreatment and biochemical treatment of dye wastewater is mature at present, and adsorption and advanced oxidation processes could be used to achieve the deep treatment of dye wastewater, but its recycling and desalination has become an urgent problem. Though the membrane technology could efficiently desalinate, the single membrane techonlogy has the problems of pollution and lack of stability. Overall, the deep teratment of dye wastewater should focuse on the optimization combination of pretreatment, biochemical treatment and membrane technology.

Key words: dye wastewater, deep treatment, wastewater reuse, desalination

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