Analysis of potential RDF resources from solid waste and their energy values in the largest industrial city of Korea |
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| Authors: | Trang TT Dong Byeong-Kyu Lee |
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| Institution: | 1. Aristotle University of Thessaloniki, Greece;2. University of Thessaly, Greece;3. National Technical University of Athens, Greece;1. Laboratory of Environmental Engineering, Department of Civil Engineering and Computer Science Engineering, University of Rome “Tor Vergata”, Via del Politecnico 1, 00133 Rome, Italy;2. Department of Environmental Engineering, Technical University of Denmark, Building 113, DK-2008 Kgs. Lyngby, Denmark;1. Wroclaw University of Environmental and Life Sciences, Faculty of Life Sciences and Technology, Institute of Agricultural Engineering, 37/41 Che?mońskiego Str., 51-630 Wroclaw, Poland;2. Warsaw University of Technology, Faculty of Building Services, Hydro and Environmental Engineering, Department of Environmental Engineering, 20 Nowowiejska Str., 00-653 Warszawa, Poland;3. University of Warmia and Mazury, Olsztyn, Research Center for Renewable Energy, 8 Oczapowskiego Str., 10-709 Olsztyn, Poland;1. Department of Mechanical Engineering, The St. Thomas University Tunja, St. 19 #11-64, Tunja, Boyacá, Colombia;2. NEST – Excellence Group in Thermal Power and Distributed Generation, Institute of Mechanical Engineering, Federal University of Itajubá, Av. BPS 1303, Itajubá, Minas Gerais State CEP: 37500-903, Brazil;3. Seamans Center for the Engineering Arts and Sciences, University of Iowa, 3131 Iowa City, IA 52242, United States |
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| Abstract: | The production potential of refuse derived fuel (RDF) in the largest industrial city of Korea is discussed. The purpose of this study is to evaluate the energy potential of the RDF obtained from utilizing combustible solid waste as a fuel resource. The total amount of generated solid waste in the industrial city was more than 3.3 million tonnes, which is equivalent to 3.0 tonnes per capita in a single year. The highest amount of solid waste was generated in the city district with the largest population and the biggest petrochemical industrial complex (IC) in Korea. Industrial waste accounted for 89% of the total amount of the solid waste in the city. Potential RDF resources based on combustible solid wastes including wastepaper, wood, rubber, plastic, synthetic resins and industrial sludge were identified. The amount of combustible solid waste that can be used to produce RDF was 635,552 tonnes/yr, consisting of three types of RDF: 116,083 tonnes/yr of RDF-MS (RDF from municipal solid waste); 146,621 tonnes/yr of RDF-IMC (RDF from industrial, municipal and construction wastes); and 372,848 tonnes/yr of RDF-IS (RDF from industrial sludge). The total obtainable energy value from the RDF resources in the industrial city was more than 2,240,000 × 106 kcal/yr, with the following proportions: RDF-MS of 25.6%, RDF-IMC of 43.5%, and RDF-IS of 30.9%. If 50% or 100% of the RDF resources are utilized as fuel resources, the industrial city can save approximately 17.6% and 35.2%, respectively, of the current total disposal costs. |
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