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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2005.1
- 수록면
- 456 - 463 (8page)
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A large amount of inorganic salts(calcium and magnesium) and suspended solids are often detected in a leachate generated from incineration ash landfill. Although reverse osmosis can be effectively used to treat these residual inorganic salts and suspended solids, membrane fouling would limit its application. In this work, alkali coagulation-flocculation and alkali coagulation-membrane separation were examined in order to reduce the fouling problems as pretreatment processes of reverse osmosis. 97% of calcium and magnesium was removed in the alkali coagulation-flocculation. Also, removal efficiency of COD ranged from 88 to 97%. Alkali coagulation-membrane separation proved to be more efficient pretreatment process in terms of COD and turbidity removal compared with alkali coagulation-flocculation.
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