Inconsistent pathways of household waste |
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| Authors: | Lisa Dahlén Helena Åberg Anders Lagerkvist Per EO Berg |
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| Institution: | 1. Division of Waste Science and Technology, Luleå University of Technology, SE, 971 87 Luleå, Sweden;2. Department of Food, Health and Environment, University of Gothenburg, P.O. Box 12204, SE, 402 42 Gothenburg, Sweden;3. HB Anttilator, Stagnellsgatan 3, SE, 652 23, Karlstad, Sweden;1. State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China;2. Suzhou Environmental Sanitation Administration Agency, Suzhou 215000, China;3. School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215011, China;1. State Key Laboratory of Geohazard Prevention and Geoenvironment Protection (Chengdu University of Technology), Chengdu 610059, China;2. State Environmental Protection Key Laboratory of Synergetic Control and Joint Remediation for Soil & Water Pollution (Chengdu University of Technology), Chengdu 610059, China;3. Biogas Institute of Ministry of Agriculture, Chengdu 610041, China;4. College of Chemistry and Material Science, Sichuan Normal University, Chengdu 610066, China;5. Key Laboratory of Special Waste Water Treatment, Sichuan Province Higher Education System, Chengdu 610066, China;6. Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China;7. Science School of Tibet University, Lhasa 850002, China;1. Nazarbayev University, School of Engineering, Chemical Engineering Department, 53 Kabanbay batyr ave., Astana, Kazakhstan;2. National Technical University of Athens, School of Chemical Engineering, Unit of Environmental Science and Technology, 9, Heroon Polytechniou Street, Zographou Campus, 15773 Athens, Greece;1. Department of Agriculture, Faculty of Agricultural and Food Sciences, American University of Beirut, P.O. Box 11-0236 Riad El Solh, Beirut 1107-2020, Lebanon;2. Department of Nutrition and Food Sciences, Faculty of Agricultural and Food Sciences, American University of Beirut, P.O. Box 11-0236 Riad El Solh, Beirut 1107-2020, Lebanon;1. Department of Social Sciences, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA;2. Shanghai Academy of Landscape Architecture Science and Planning, 899 Longwu Road, Shanghai 200232, China |
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| Abstract: | The aim of this study was to provide policy-makers and waste management planners with information about how recycling programs affect the quantities of specific materials recycled and disposed of. Two questions were addressed: which factors influence household waste generation and pathways? and how reliable are official waste data? Household waste flows were studied in 35 Swedish municipalities, and a wide variation in the amount of waste per capita was observed. When evaluating the effect of different waste collection policies, it was found to be important to identify site-specific factors influencing waste generation. Eleven municipal variables were investigated in an attempt to explain the variation. The amount of household waste per resident was higher in populous municipalities and when net commuting was positive. Property-close collection of dry recyclables led to increased delivery of sorted metal, plastic and paper packaging. No difference was seen in the amount of separated recyclables per capita when weight-based billing for the collection of residual waste was applied, but the amount of residual waste was lower. Sixteen sources of error in official waste statistics were identified and the results of the study emphasize the importance of reliable waste generation and composition data to underpin waste management policies. |
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