Vietnam is a country with an area of huge wetlands favorable for aquaculture. In recent years, Vietnam aquaculture flourished, obtained great achievements, contributing to poverty alleviation, income generation and employment for a division of labor, a positive contribution to the rural economy Industry in particular and the national economy in general. Besides, the overexploitation of fisheries resources, increasing the area of aquaculture, unplanned, indiscriminate use of chemical drugs, biological products ... make water pollution increasingly serious. Thus in order to find solutions to environmental pollution, waste water treatment of the fisheries sector is a topical issue, very urgent.
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