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Application of response surface methodology to the treatment landfill leachate in a three-dimensional electrochemical reactor
Authors:Hui Zhang  Yanli Li  Xiaogang Wu  Yanjun Zhang  Daobin Zhang
Affiliation:1. School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800, Dongchuan Rd, Shanghai 200240, PR China;2. College of Environmental and Chemical Engineering, Shanghai University of Electric Power, No.2588 Changyang Road, Shanghai, 200090, PR China;3. Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China;4. Key Laboratory of Thin Film and Microfabrication Technology, Ministry of Education, Shanghai 200240, PR China;1. Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources, Wuhan University of Science and Technology, Wuhan, 430081, PR China;2. Department of Chemistry, Zhejiang Sci-tech University, Hangzhou, 310018, PR China;3. Engineering, Faculty of Science, University of East Anglia, Norwich, NR4 7TJ, United Kingdom;4. Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau, China;1. Department of Environmental Health Engineering, Faculty of Health and Research Center for Health Sciences, Hamadan University of Medical Sciences, Hamadan, Iran;2. Faculty of Chemistry, Bu-Ali-Sina University, Hamedan, Iran;3. Social Determinants of Health Research Center, Ardabil University of Medical Sciences, Ardabil, Iran;4. Department of Environmental Health Engineering, Hamadan University of Medical Sciences, Hamadan, Iran;1. Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, China;2. School of Environment and Energy Engineering, Anhui Jianzhu University, Hefei, China;3. Institute of Eco-Chongming, East China Normal University, Shanghai, China
Abstract:
The influence of different variables on the removal of ammonia nitrogen and COD from landfill leachate was investigated in a three-dimensional electrochemical reactor. Box–Behnken statistical experiment design and the response surface methodology were used to investigate operating condition effects, such as current density, activated carbon to water ratio and the reaction time, on ammonia nitrogen removal efficiency and COD removal efficiency. The positive and negative effects of variables and the interaction between variables on ammonia nitrogen removal and COD removal were determined. The response surface methodology models were derived based on the results and the response surface plots were developed accordingly.
Keywords:
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