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KMID : 1024520040130010069
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Journal of the Environmental Sciences
2004 Volume.13 No. 1 p.69 ~ p.77
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The Study on Increase the Decomposition of Organics and Organic Removal Rates by using Sulfate in Sanitary Landfills
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Kim Jung-Kwon
Yoon Tae-Kyung
Kim Ga-Ya
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Abstract
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In this study, sulfate reduction reaction was used to increase the decomposition of organics, which is the most critical factor for the stabilization of a landfill site. Composite of sewage sludge, papers, and incineration ashes was used in the column. The experimental results indicated that out of 10 reactors, the reactors 3, 4, 8. and 9 showed higher organics (i.e., TOC) removal rate than that in the absence of sulfate. The organics removal rates (K) in R3 and R9 were 8.65e-4/d and 3.82e-4//d, respectively. The times to reach 10％ of initial concentrations in R3 and R9 was 7.3 and 16.5 years, respectively, showing faster organics decomposition rates in these reactors.
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KEYWORD
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Landfill Site, Sludge, Stabilization, Decomposition, Organics Removal Rates
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