Evaluation of innovative municipal solid waste management through urban symbiosis: a case study of Kawasaki |
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| Authors: | Yong Geng Fujita Tsuyoshi Xudong Chen |
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| Institution: | 1. Research Group on Circular Economy and Industrial Ecology, Institute of Applied Ecology, Chinese Academy of Science, No.72 Wenhua Road, Shenyang, Liaoning Province (110016), PR China;2. Asian Research Group, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan;1. Department of Sciences and Technologies, Parthenope University of Naples, Italy;2. School of Environment, Beijing Normal University, China;1. School of Management, Xi''an Jiaotong University, Xi''an 710049, China;2. School of Mechanical Engineering, Xi''an Jiaotong University, Xi''an 710049, China;3. State Key Laboratory for Manufacturing Systems Engineering, Xi''an Jiaotong University, Xi''an 710049, China;1. Key Laboratory of Pollution Ecology and Environment Engineering, Institute of Applied Ecology, Chinese Academy of Science, Shenyang, Liaoning Province 110016, PR China;2. School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, PR China;3. Center for Clean Technology and Resource Recycling, University of Ulsan, South Korea;4. National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan |
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| Abstract: | Industrial symbiosis encourages the establishment of a broad eco-industrial network so that more synergy opportunities can be identified. By linking municipal solid waste management (MSWM) with local industries, i.e., urban symbiosis, new symbiotic opportunities can be generated from the geographic proximity of urban and industrial areas, transferring physical resources from urban refuse directly to industrial applications and improving the overall eco-efficiency of the city as a whole. Using a case study of Kawasaki, this paper simulates and evaluates an innovative waste management initiative in Kawasaki by an scenario simulation model based on the LCA approach. Results show that recycling mixed paper, mixed plastics, and organic wastes and utilizing the recycled materials in industrial production will potentially reduce about 69 kt CO2(e) emissions and 8 kt incineration ashes to be landfilled in 2015. To achieve these outcomes, the total additional cost compared with the current practice is about 1.2 billion JPY. |
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