Proposal of an environmental performance index to assess solid waste treatment technologies |
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| Authors: | Coelho Hosmanny Mauro Goulart Lange Liséte Celina Coelho Lineker Max Goulart |
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| Institution: | 1. Federal University of Minas Gerais, School of Engineering, Department of Sanitary and Environmental Engineering, Bloco 2, Sala 4628, Av. Antônio Carlos, 6627 Pampulha, Belo Horizonte, Minas Gerais, CEP 30.270-901, Brazil;2. École des Ponts ParisTech 6 et 8 avenue Blaise-Pascal, Cité Descartes Champs-sur-Marne, 77455, Marne-la-Vallée, France;1. School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, PR China;2. China Institute for Urban Governance, Shanghai Jiao Tong University, No. 800 Dongchuan Road, Minhang, Shanghai, 200240, PR China;3. Department of Environmental Science and Engineering, Fudan University, Shanghai, 200433, PR China;4. Department of Environment Systems, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, 277-8563, Japan;5. National Institute for Environmental Studies, Tsukuba, 305-8506, Japan;6. School of Business, Nanjing Normal University, No.1 Wenyuan Road, Qixia District, Nanjing, 210023, PR China;1. Department of Chemical Engineering, University College London, Torrington Place, London WC1E 7JE, UK;2. Advance Plasma Power (APP), Unit B2, Marston Gate, South Marston Business Park, Swindon SN3 4DE, UK;3. Centre for Environmental Strategy, The University of Surrey, Guildford, Surrey GU2 7XH, UK;1. CENSE and Loulé City Hall, Praça da República, 8100 Loulé, Portugal;2. CVRM, Faculty of Sciences and Technology, University of Algarve, Campus de Gambelas, Building 7, 8005-139 Faro, Portugal;3. CENSE and Faculty of Sciences and Technology, University of Algarve, Campus de Gambelas, Building 7, 8005-139 Faro, Portugal;1. Institute Center for Water and Environment (iWATER), Masdar Institute of Science and Technology, Abu Dhabi, United Arab Emirates;2. Department of Civil Engineering and Institute of Advanced Technology, University Putra Malaysia, Selangor, Malaysia;1. State Key Laboratory of Clean Energy Utilisation, Zhejiang University, Hangzhou, China;2. Centre RAPSODEE, Ecole des Mines Albi, Campus Jarlard, 81013 Albi Cedex, France;3. Hangzhou Municipal Solid Waste Disposal Supervision Center, Hangzhou, China |
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| Abstract: | Although the concern with sustainable development and environment protection has considerably grown in the last years it is noted that the majority of decision making models and tools are still either excessively tied to economic aspects or geared to the production process. Moreover, existing models focus on the priority steps of solid waste management, beyond waste energy recovery and disposal. So, in order to help the lack of models and tools aiming at the waste treatment and final disposal, a new concept is proposed: the Cleaner Treatment, which is based on the Cleaner Production principles. This paper focuses on the development and validation of the Cleaner Treatment Index (CTI), to assess environmental performance of waste treatment technologies based on the Cleaner Treatment concept. The index is formed by aggregation (summation or product) of several indicators that consists in operational parameters. The weights of the indicator were established by Delphi Method and Brazilian Environmental Laws. In addition, sensitivity analyses were carried out comparing both aggregation methods. Finally, index validation was carried out by applying the CTI to 10 waste-to-energy plants data. From sensitivity analysis and validation results it is possible to infer that summation model is the most suitable aggregation method. For summation method, CTI results were superior to 0.5 (in a scale from 0 to 1) for most facilities evaluated. So, this study demonstrates that CTI is a simple and robust tool to assess and compare the environmental performance of different treatment plants being an excellent quantitative tool to support Cleaner Treatment implementation. |
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