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수산화 칼슘 및 응집제를 이용한 아연 폐수의 제거 연구
류순석,우명우 順天大學校 1998 論文集 Vol.17 No.1
An experimental study of zinc wastewater treatment was conducted by standard zinc solutions. Most of zinc in wastewater was removed by calcium hydroxide solution. Used inorganic flocculant showed low adsorption quantity of zinc in wastewater compared to that of calcium hydroxide. From this study we suggest that zinc wastewater can be treated in two-step method. The first step is precipitation of zinc wastewater by calcium hydroxide solution. Most of zinc can be removed by this step. Next step is flocculation of the remainder zinc in wastewater by inorganic flocculant to meet the regulation.