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논문 기본 정보

자료유형
학술저널
저자정보
백선재 (서울시립대학교 환경공학과) 한인섭 (서울시립대학교 환경공학과) 최익훈 (한국환경공단) 강성효 ([주]ARK) 홍성민 ([주]ARK)
저널정보
대한상하수도학회 상하수도학회지 상하수도학회지 제28권 제3호
발행연도
2014.1
수록면
299 - 304 (6page)

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The need of reusing sewage sludge is highly increasing as the amount of domestic sewage sludge is growing and sewage management strategies were reinforced. Accordingly, in this research, we studied the composting possibility of sludge in sewage treatment plant J, using dryer facility with indirect system by conducting component analysis of dried sludge and experiment on cultivating crops. It was observed from the component analysis, that the dried sludge is appropriate for both decomposed manure standard of Ministry of Environment and fertilizer standard of Rural Development Administration. Besides, in the experiment on cultivating lettuce, the experimental group(soil + dried sludge) was superior to the control group(soil + bed soil) in apparent condition of leaves tensity and damage by disease and pest. In case of cultivating tomato, the experimental group showed stronger durability of fruits dangling on stems compared to the control group after 9 weeks. Consequently, the excess sludge dried by indirect heating system in the sewage treatment plant J is appropriate for the standard of both Ministry of Environment and Rural Development Administration and show good result in experiment on cultivating crops therefore it can be reused for composting.

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