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J Environ Manage

Title:		Critical review with science mapping on the latest pre-treatment technologies of landfill leachate
Author(s):		Kundu A; Reddy CV; Singh RK; Kalamdhad AS;
Address:		"Department of Civil Engineering, Indian Institute of Technology, Guwahati, Assam, India. Electronic address: a.kundu@iitg.ac.in. Department of Civil Engineering, National Institute of Technology Goa, Goa, India. Department of Civil Engineering, Indian Institute of Technology, Guwahati, Assam, India"
Journal Title:		J Environ Manage
Year:		2023
Volume:		20230314
Issue:
Page Number:		117727 -
DOI:		10.1016/j.jenvman.2023.117727
ISSN/ISBN:		1095-8630 (Electronic) 0301-4797 (Linking)
Abstract:		"The most frequent strategy for solid waste management, adopted across the globe is landfill. Through microbial decomposition municipal solid waste degrades, producing end products such as carbon dioxide, methane, volatile organic compounds, and leachate. High levels of organic waste and heavy metals content in leachate can cause pervasive damage to the ecosystem and contaminate groundwater. Leachate requires extensive treatment before being released into the environment because of its complex chemical composition and identifying the appropriate technologies for leachate treatment remains a key problem for municipal landfill operations. Given the possible harm caused by substantially contaminated leachate, it should adhere to stricter quality criteria for direct disposal of leachate and one treatment method cannot efficiently tackle all the pollutants. In order to reduce the landfill leachates high fouling power, pre-treatment of landfill leachate is necessary. The study provides a comprehensive review of pre-treatment technologies, as well as a critical assessment of strengths and limitations. Current review-based analysis was undertaken based on the filtered 395 papers published for science mapping and to evaluate the qualitative studies in the area of pre-treatment of Landfill Leachate till 2022. A three-step process was employed to conduct bibliometric analysis, qualitative valuation, and identification of influential and productive journals, countries, researchers and articles, emerging technology, and outlining some of the major research gaps in the research field"
Keywords:		"*Water Pollutants, Chemical/chemistry *Refuse Disposal/methods Ecosystem Environmental Monitoring/methods Solid Waste/analysis Waste Disposal Facilities Bibliometric analysis Landfill leachate Pre-treatment Science-mapping;"
Notes:		"MedlineKundu, Ashmita Reddy, Chejarla Venkatesh Singh, Ratnesh Kumar Kalamdhad, Ajay S eng Review England 2023/03/17 J Environ Manage. 2023 Jun 15; 336:117727. doi: 10.1016/j.jenvman.2023.117727. Epub 2023 Mar 14"