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http://dx.doi.org/10.7843/kgs.2020.36.5.17

Analyses of Settlement Characteristics Evaluating the Applicability of Bioreactor Landfills on MSW Landfills  

Jo, Young-Seok (Dept. of Civil and Environmental Engrg., Dongguk Univ.)
Jang, Yeon-Soo (Dept. of Civil and Environmental Engrg., Dongguk Univ.)
Publication Information
Journal of the Korean Geotechnical Society / v.36, no.5, 2020 , pp. 17-24 More about this Journal
Abstract
In order to analyze the effect of applying the bioreactor landfills on the waste landfill for acceleration of waste biocompression, a settlement experiment was performed. The secondary compression indices (Cα) were analyzed, and compared with the results of experimental studies conducted in other countries. Analyses of Cα from the experiment showed that the recirculation method of mixing leachate and FWL could accelerate the waste settlement as much as 2.9 times and 2 times more than the leachate recirculation and the sanitary landfills due to additional biocompression generated by the organic matter in FWL. The Cα in this study was smaller than the Cα of the other studies due to the low organic content of the waste in accordance with domestic waste policies to reduce food waste. The relation between biodegradable waste content and Cα was analyzed. The Cα of the waste was shown to be sensitive to biodegradable waste content, and become higher as the content of the biodegradable waste increases.
Keywords
Biocompression; Bioreactor landfills; Secondary compression index ($C_{\alpha}$); Waste landfill;
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