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Recovery of plastics from dumpsites and landfills to prevent marine plastic pollution in Thailand

Waste Disposal and Sustainable Energy 2019年第4期1卷 237-249页

作者： Avi Sharma Vincent Aloysius Chettiyappan Visvanathan Department of Energy Environment and Climate ChangeSchool of EnvironmentResources and DevelopmentAsian Institute of TechnologyP.O.Box 4Khlong LuangPathumthani 12120Thailand Ecocycle Siam City Cement CompanyBangkokThailand

marine plastic pollution has become a major threat to the *** increasing production and use of plastic,combined with limitations of waste management practices,mean the leakage of plastic waste into the environment is bound to *** study focuses on the determination of plastic recovery potential from dumpsites and landfills in Thailand,to potentially prevent marine plastic *** this study,two dumpsites were analysed wherein an average of 42% of plastic was found to be *** value,when extrapolated for Thailand,is equivalent to 187.9 million tonnes of plastic waste in dumpsites and *** there are 2380 dumpsites in the country,this study suggests that 973 of these spread over 42 provinces are located near water bodies or coastline,which should be considered as a *** plastic waste recovered from these dumpsites can be treated by co-fuelling in cement *** kilns can valorise plastic waste as they can reach up to 75%energy recovery from waste,which is much higher compared to traditional waste-to-energy *** adequate incentives and sound regulations,cement industries could help in the reduction of marine plastic pollution with controlled emissions and a very large capacity to co-fuel cement production,there is a readily available solution to manage the large volumes of solid waste generated.

关键词： plastic recovery potential Dumpsite waste analysis Waste-to-energy Waste-to-heat Co-fuelling Cement kiln marine plastic pollution

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Review of Microplastic pollution in the Environment and Emerging Recycling Solutions

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Journal of Renewable Materials 2019年第12期7卷 1251-1268页

作者： Gregory Reimonn Taofeng Lu Neeti Gandhi Wan-Ting Chen Department of plastic Engineering University of Massachusetts LowellLowellMA01854USA School of Chemical Engineering Purdue UniversityWest LafayetteIN47906USA.

Microplastic pollution represents a side-effect stemming from a global plastic waste mismanagement problem and includes degraded particles or mass produced plastic particles less than 5 mm in largest *** small nature of microplastics gives this area of pollution different environmental concerns than general plastic waste in the *** biological toxicity of particles,their internal components,and their surface level changes all present opportunities for these particles to adversely affect the environment around ***,it is necessary to review the current literature surrounding this topic and identify areas where the study of microplastic can be pushed *** we present current methods in studying microplastics,some of the ways by which microplastics affect the environment and attempt to shed light on how this research can *** addition,we review current recycling methods developing for the processing of mixed-plastic *** methods,including hydrothermal processing and solvent extraction,provide a unique opportunity to separate plastic waste and improve the viability of the plastics recycling industry.

关键词： Microplastic pollution additive toxicology marine plastic pollution plastic recycling sustainability

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