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응집제를 이용한 양돈폐수의 침감성 및 슬러지의 탈수성 증대
강선홍 ( Seon Hong Kang ),민경석 ( Koung Suk Min ) 한국물환경학회 2002 한국물환경학회지 Vol.18 No.3
Laboratory experiments using metal coagulants[alum, PAC(Poly Aluminum Chloride)] and polymer were conducted in this study to enhance dewatering and settling characteristics for swine wastewater. In this study, application of mixture of metal coagulants and polymer improved settling and dewatering characteristics for swine wastewater compared to using only metal coagulants, Also sludge volume was decreased when the mixture was applied. About 80-90% of settling velocity was increased and thickening ratio was increased as much as two times when adding 100mg/L of cationic polymers. Polymer was excellent for enhancing dewatering property among coagulants.