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Waste Disposal & Sustainable Energy
Waste Disposal & Sustainable Energy  2019, Vol. 1 Issue (4): 237-249    DOI: 10.1007/s42768-019-00027-7
    
泰国垃圾收集场和填埋场的塑料回收用于海洋塑料污染的研究
Avi Sharma1, Vincent Aloysius2, Chettiyappan Visvanathan1
1.Department of Energy, Environment and Climate Change, School of Environment, Resources and Development, Asian Institute of Technology, Khlong Luang, Thailand  2.Ecocycle, Siam City Cement Company, Bangkok, Thailand
Recovery of plastics from dumpsites and landfills to prevent marine plastic pollution in Thailand
Avi Sharma1, Vincent Aloysius2, Chettiyappan Visvanathan1
1.Department of Energy, Environment and Climate Change, School of Environment, Resources and Development, Asian Institute of Technology, Khlong Luang, Thailand  2.Ecocycle, Siam City Cement Company, Bangkok, Thailand
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摘要： 海洋塑料污染已成为生态系统的主要威胁。塑料生产和使用的不断增加，再加上垃圾管理实践的局限性，意味着塑料垃圾向环境中的泄漏量必将增加。这项研究的重点是确定泰国垃圾场和垃圾填埋场的塑料回收潜力，以潜在的防止海洋塑料污染。在这项研究中，对两个垃圾场进行了分析，发现平均有42%的塑料存在。如果按泰国的情况推算，这个值相当于垃圾场和垃圾填埋场的1.879亿吨塑料垃圾。虽然全国共有2380个垃圾场，但本研究表明，分布在42个省的973个垃圾场位于水体或海岸线附近，应优先考虑。在水泥工业中，从这些垃圾场回收的塑料废物可以通过混合燃料进行处理。水泥窑可以使塑料废料增值，因为它们可以从废料中回收高达75%的能量，这比传统的垃圾焚烧发电厂要高得多。如果有足够的激励措施和健全的规章制度，水泥工业可以有助于减少海洋塑料污染，控制排放量，并有非常大的能力共同为水泥生产提供燃料，这是一种易于使用的解决方案，可以管理大量固体废物的产生。
关键词： 塑料回收潜力;  垃圾场废物分析;  垃圾转化为能源;  垃圾转化为热能;  联合燃料;  水泥窑;  海洋塑料污染    
Abstract: Marine plastic pollution has become a major threat to the ecosystem. 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 increase. This study focuses on the determination of plastic recovery potential from dumpsites and landfills in Thailand, to potentially prevent marine plastic pollution. In this study, two dumpsites were analysed wherein an average of 42% of plastic was found to be present. This value, when extrapolated for Thailand, is equivalent to 187.9 million tonnes of plastic waste in dumpsites and landfills. While 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 priority. The plastic waste recovered from these dumpsites can be treated by co-fuelling in cement industries. 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 plants. With 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.
Key words: Plastic recovery potential    Dumpsite waste analysis    Waste-to-energy    Waste-to-heat    Co-fuelling    Cement kiln    Marine plastic pollution
收稿日期: 2019-10-19 出版日期: 2020-01-19
通讯作者: Chettiyappan Visvanathan     E-mail: visu@ait.ac.th
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引用本文:

Avi Sharma, Vincent Aloysius, Chettiyappan Visvanathan. Recovery of plastics from dumpsites and landfills to prevent marine plastic pollution in Thailand. Waste Disposal & Sustainable Energy, 2019, 1(4): 237-249.

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http://www.zjujournals.com/wdse/CN/10.1007/s42768-019-00027-7    或    http://www.zjujournals.com/wdse/CN/Y2019/V1/I4/237

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