Discussion on Wastewater Treatment Process of Coal Chemical Industry

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Discussion on Wastewater Treatment Process of Coal Chemical Industry

Discussion on Wastewater Treatment Process of Coal Chemical Industry

Dongyan Zhao, Weijie Lun , Junjie Wei

Abstract:

Coal chemical wastewater has such characteristics as high concentration of oil, ammonia nitrogen and COD. In this paper, treatment process of coal chemical industry is described mainly, such as pretreatment process,biochemical treatment process and polishing process. Through the recovery of phenol and ammonia and the treatment of wastewater from abroad, the new technology of wastewater treatment in coal chemical industry was expounded.

Finally, The development of coal chemical wastewater treatment technology is prospected, and the pretreatment technology is emphasized. According to the diversification and utilization of water, zero discharge of coal chemical wastewater will be fulfilled. 

IOP Conf. Series: Earth and Environmental Science 100 (2017) 012067
doi:10.1088/1755-1315/100/1/012067

Source: IOP Science

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