Effects of phosphorous on the stabilization of solid waste in anaerobic landfill |
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| Authors: | Jun Dong He Sheng Chunyu Wen Mei Hong Huizhong Jiang |
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| Institution: | 1. Engineering HSE Group, HSE Systems Department, Engineering Division, JGC Corporation, 2-3-1, Minato Mirai, Nishi-ku, Yokohama 220-6001, Japan;2. Laboratory for Safety Engineering and Risk Management, Yokohama National University, Hodogaya-ku, Yokohama 240-8501, Japan;1. Faculty of Chemistry, Northeast Normal University, Changchun 130024, China;2. School of Chemical Engineering and Technology, Harbin Institute of Technology, Harbin 150001, China;1. Safety Engineering Lab, Department of Mechanical Engineering, National Institute of Technology, Tiruchirappalli 620 015, India;2. Cell for Industrial Safety and Risk Analysis, Central Leather Research Institute, Chennai, India;1. INRA, UR0050, Laboratoire de Biotechnologie de l’Environnement, Avenue des Etangs, Narbonne F-11100, France;2. Université de Lorraine, LSE, UMR 1120, Vand?uvre-lès-Nancy F-54505, France;3. CNRS, UMS 3562, Vand?uvre-lès-Nancy F-54501, France;4. LISBP – INSA de Toulouse, INSA/CNRS 5504 – UMR INSA/INRA 792, 135 Avenue de Rangueil, 31077 Toulouse CEDEX 04, France;1. Graduate School of Environmental Studies, Tohoku University, 6-6-11-604 Aramaki-aza Aoba, Aoba-ku, Sendai 980-8579, Japan;2. Japan Aviation Electronics Industry, Ltd., 1-1, Musashino 3-chome, Akishima-shi, Tokyo 196-8555, Japan;3. Micro System Integration Center, Tohoku University, 519-1176 Aramaki-aza Aoba, Aoba-ku, Sendai 980-0845, Japan;4. Nanobioengineering/Nanobioelectronics Laboratory, Department of Biomedical Engineering, Florida International University, 10555 West Flagler Street, Miami, FL 33174, USA;5. WPI-Advanced Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan |
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| Abstract: | Anaerobic bioreactor attracted more attention in recent years because of its environmental and financial benefits. Nutrients and moisture could exert profound influences on the degradation of the pollutants and stabilization of solid waste in anaerobic landfill. The objective of this work was to investigate the effects of the activated sludge and phosphorous addition on the stabilization of solid waste. The experimental results indicated that phosphorous is the limiting nutrients in the landfill leachate; phosphorous and activated sludge simultaneously could stimulate the growth of the bacteria, enhance the attenuation of pollutants in landfill leachate and accelerate the stabilization of solid waste; the final removal efficiency of COD and NH4+-N in R-C (phosphorous and activated sludge added simultaneously) was up to 95.13% and 73.4%, respectively. Therefore, phosphorous addition is an effective way to enhance the stabilization of solid waste in anaerobic landfill. |
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