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자료유형
학술저널
저자정보
저널정보
한국환경분석학회 환경분석과 독성보건 한국환경분석학회지 제11권 제4호
발행연도
2008.1
수록면
275 - 281 (7page)

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Although the production of sewage sludge increases every year, its proper treatment has only been recently raised as a new issue. This is because current landfill and ocean dumping arrangements are expected to sufferfrom proper management in the future. The Korean Ministry of the Environment (KMOE) plans to diversify its processing facilities and expand its processing systems by 2011, with the purpose of processing all produced sludge on land. This study reviews the characterics of PAHs and heavy metals in sewage sludge. The contents of heavy metals in sludge across five facilities decreased on the order of: copper > zinc >chrome > nickel > cadmium> mercury. In terms of heavy metal content in swage sludge, the sludge in facilities other than D with industrial water waste, was examined in order to satisfy the ocean contamination standard and fertilizer specifications. The results of the inspections of 16 PAHs showed that the total PAHs content in swage sludge averaged 6.10 mg/kg, with a high content in the sludge in city areas relative to industrial wastewater. This can be explained by the treatment of PAHs in wastewater treatment facilities, while it is not the came for household wastewater, rainwater, and road runoff water.

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