Abstract
Waste classification is to reduce solid waste and its associated environmental pollution. This paper applied bibliometrics to assess publications related to classification technology of domestic waste from 2000 to 2019. A total of 466 publications were retrieved. The results showed the number of citations and papers increased rapidly. The major publication type regarding waste classification technology is article and English is the primary language for academic communication. The research is multidisciplinary and interdisciplinary, and its research directions are mainly divided into “Engineering,” “Environmental Sciences Economics,” and “Chemistry.” It was identified that Waste Management (85) published most of papers in this topic. Meanwhile, China (93) contributed the most of publications, followed by the USA (42), France (40), Japan (36), and Italy (28). European countries are in the leading position in the study of garbage classification technology. Plastics and waste metals were the existing focus of waste classification technology, and waste identification and classification has become an important classification method. In addition, we also summarized the current mainstream technology progress and possible research challenges.
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This work was supported by the National Key Research and Development Program of China (2019YFC1906001, 2019YFC1903901).
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Tianxue Yang contributed significantly to the analysis and manuscript preparation. Wrote the manuscript.
Jiangcheng Xu performed the data analyses and wrote the manuscript.
Ying Zhao helped perform the analysis with constructive discussion.
Tiancheng Gong contributed to the conception of the study.
Rui Zhao contributed to the conception of the study.
Mengyang Sun contributed to the conception of the study.
Beidou Xi helped perform the analysis with constructive discussion.
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Yang, T., Xu, J., Zhao, Y. et al. Classification technology of domestic waste from 2000 to 2019: a bibliometrics-based review. Environ Sci Pollut Res 28, 26313–26324 (2021). https://doi.org/10.1007/s11356-021-12816-x
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DOI: https://doi.org/10.1007/s11356-021-12816-x