Environmental pollution is a big issue to the society, especially wastewater pollution from agricultural product and foodstuffs processing at traditional villages. The Bio-filter method is used to treat this wastewater. This study used upflow bio-filter column to treat the wastewater from agricultural product and foodstuffs processing. All basic parameters use to assess the quality or treated wastewater are up to the allowable standards of industrial wastewater that flows into common water sources (QCTĐHN 02:2014/BTNMT/column B).
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