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Dong Tho is a commune of Thai Binh City in Thai Binh province, Vietnam. The major occupation is the production of vermicelli which is made from edible canna. The pollution characteristic of Dong Tho commune is the waste water originated from production process. Water pollution is indicated by the indicators such as TSS, COD, BOD5 are many times higher than the (QCVN 40: 2011/ BTNMT). Specifically, TSS is 5.8 times higher, COD is 1.70 times higher and BOD5 is 3.28 times higher than the permitted standards. Acidic pH in waste water only reached 5.3. Interview of local people also important base to assess poluttion level. Methods are used such as methods of collecting and synthesizing data, investigation and fieldwork, analytical methods in the laboratory, statistical methods, data processing, mapping method. With the current pollution situation in Dong Tho vermicelli village, the research proposes some management solutions and techniques of biological waste water treatment. The biological treatment is suitable for local conditions and feasibility, helps to manage, prevent, and reduce environmental pollution of the waste water originated from production process, improve the environment of the village.

khoa học công nghệ/khoa học và công nghệ online/tnu journal of science and technology

MANAGEMENT OF WASTE WATER TO VERMICELLI PRODUCTION IN DONG THO VILLAGE, THAI BINH, VIETNAMT PROTECTION FOR DONG THO VILLAGE IN THAI BINH PROVINCE, VIETNAM