Journal
JOURNAL OF ENVIRONMENTAL MANAGEMENT
Volume 343, Issue -, Pages -Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jenvman.2023.118219
Keywords
Landfills; Leachate management; Treatment; Resource recovery; Energy
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The exponential generation of municipal solid waste (MSW) and landfill disposal without any treatment has led to the continuous generation of landfill leachate, which causes environmental degradation and water and soil pollution. There have been numerous studies on leachate treatments for energy and resource recovery. This review analyzes the suitability of different treatment methods and discusses the challenges and characteristics of leachate management.
The exponential generation of municipal solid waste (MSW) and landfill disposal without any treatment has increased the continuous generation of landfill leachate. Improper MSW and leachate management are contributing to environmental degradation and water and soil pollution, which must be treated. Numerous works have been conducted on leachate treatments for energy and resource recovery. This review presents a comprehensive study of leachate management in which different treatment methods are discussed to analyze the suitability of processes that can be employed to treat leachate efficiently. Further, the characteristics of leachate are examined as properties of leachate may be varied depending upon the region. Still, several challenges related to leachate management and its treatments are discussed in this study. An integrated system could be a better option for treating leachate because it contains large amounts of organic and inorganic compounds. Proper leachate management would help to recover energy and value-added products (metals).
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