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Control of textile wastewater by electron beam irradiation in combination with biological treatment

Thi Kim Lan Nguyen, Ngoc Duy Nguyen, Nhut Khanh Chu, Chi Thuan Nguyen, Thi Giang Huong Duong, Quoc Hien Nguyen

Abstract: Environmental pollution, especially water pollution, is of great concern nowadays. Textile wastewater treatment by electron beam irradiation (EB) shows the advantage of not using toxic additives and not creating secondary sludge. In this study, textile wastewater was treated by electron beam irradiation in a low absorbed dose range of 0.5-2 kGy in combination with biological treatment. Besides, a study on combining EB irradiation and H2O2 oxidizing agent was also carried out to reduce the absorbed dose. The results show that after EB irradiation in the presence of oxidizing agents H2O2 combined with biological treatment, the color indicator of wastewater is within the allowed range according to column B of the national technical regulation on the effluent of the textile industry (QCVN 13–MT/2015/BTNMT), which is eligible for discharge into the environment. Research on the treatment of textile wastewater by EB irradiation combined with biological methods has shown that it increases the ability to effectively treat textile wastewater, contributing to reducing the environmental pollution.
Keywords: textile wastewater / combined with biological / EB irradiation / biological treatment / electron beam / beam irradiation

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