Degradation of diesel oil in soil using a food waste composting process |
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Authors: | Hung-Soo Joo Makoto Shoda Chae-Gun Phae |
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Institution: | (1) Department of Environmental Engineering, Seoul National University of Technology, 172 Kongneung-Dong, Nowon-Gu, Seoul, Korea;(2) Chemical Resources Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, Japan |
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Abstract: | We investigated the simultaneous degradation of diesel oil in soil and the organic matter in food waste by composting in 8 l
reactors. Using a 0.5 l/min air flow rate, and 0.5-1% diesel oil concentrations together with 20% food waste, high composting
temperatures (above 60°C) were attained due to the efficient degradation of the food waste. Petroleum hydrocarbons were degraded
by 80% after only 15 days composting in the presence of food waste. In a 28 l reactor scale-up experiment using 1% oil, 20%
food waste and 79% soil, removal efficiencies of petroleum hydrocarbons and food waste after 15 days were 79% and 77%, respectively. |
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Keywords: | Composting Diesel oil-contaminated soil Food waste Petroleum hydrocarbons |
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