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논문 기본 정보

자료유형
학술저널
저자정보
정수정 (국립환경과학원 영산강물환경연구소) 나숙현 (전남대학교 환경공학과) 배상옥 (초당대학교 조리과학부) 임병진 (국립환경과학원 영산강물환경연구소)
저널정보
한국물환경학회 한국물환경학회지 한국물환경학회지 제28권 제5호
발행연도
2012.1
수록면
657 - 662 (6page)

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This study was carried out to evaluate the removal rate of organic and inorganic matters from landfill leachate using pre-treatment process as coagulation and limonite adsorption, and membrane process as RO (reverse osmosis) and NF(nanofiltration). By adding limonite adsorption as pre-treatment process, about 40% of organic matters in leachate was removed through pre-treatment process and 74.7% of boron was removed after RO process without pH adjustment. The rejection rate of boron in RO process mainly depends on the pH and increased at pH value of 10. RO process was performed as two stage system adjusting pH condtion to 7 and 10 in second RO stage for boron removal. Most (>90%) of TOC, Cl- and inorganic matters as Ca was rejected in first RO stage, the residue was rejected in second RO and the rejection rate was above 97%. Considering economic efficiency of operation cost, NF substituted for the first RO and total removal rate of TOC was above 90%. Through RO system toxicity to Daphnia in leachate was removed completely.

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