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폐수처리장 방류수의 배출허용기준 만족을 위한 최적 약품투입량 산정

Calculation of Optimal Coagulation Dosage for Satisfaction of Discharge Permission Standard of Laundry Wastewater Treatment Plants Effluents

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大田大學校 環境問題硏究所 論文集 (대전대학교 환경문제연구소 논문집)
대전대학교 환경문제연구소 (The Institute of Environmental Studies)
초록

Most small laundry factory has been operated without not only environmental expertise but also technical process. The objective of this study is to get the optimal coagulation dosage for satisfaction of discharge permission standard of laundry wastewater treatment plant(WTP) effluents by jar test.The coagulants are alum and sodium hydroxide(NaOH), coagulants aids is polymer. Also, the best coagulation reaction was shown in the following conditions ; Alum 4.13g/L, NaOH 1.03g/L, Polymer 0.27g/L on average. The optimal coagulation dosage could be reduced costs to 4.43 million won a year. It was considered that operating a small WTP was an important technical data in same industry.

저자
  • 김태응(대전보건대학교 환경보건과) | Tae-Eung Kim correspondence
  • 박혜숙(대전보건대학교 환경보건과) | Hye-Sook Park