Prolonged aerobic degradation of shredded and pre-composted municipal solid waste: report from a 21-year study of leachate quality characteristics

Environmental Science and Pollution Research International
Elise Grisey, Lotfi Aleya

Abstract

The objective of this study was to assess the degree of long-term waste maturation at a closed landfill (Etueffont, France) over a period of 21 years (1989-2010) through analysis of the physicochemical characteristics of leachates as well as biochemical oxygen demand (BOD), chemical oxygen demand (COD), and metal content in waste. The results show that the leachates, generated in two different sections (older and newer) of the landfill, have low organic, mineral, and metallic loads, as the wastes were mainly of household origin from a rural area where sorting and composting were required. Based on pH and BOD/COD assessments, leachate monitoring in the landfill's newer section showed a rapid decrease in the pollution load over time and an early onset of methanogenic conditions. The closing of the older of the two sections contributed to a significant decline for the majority of parameters, attributable to degradation and leaching. A gradual decreasing trend was observed after waste placement had ceased in the older section, indicating that degradation continued and the waste mass had not yet fully stabilized. At the end of monitoring, leachates from the two landfill linings contained typical old leachates in the maturation perio...Continue Reading

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Citations

Aug 16, 2016·Environmental Science and Pollution Research International·Sylvain CorbelLotfi Aleya
Aug 4, 2018·Environmental Science and Pollution Research International·Ana LópezAmaya Lobo
Jan 29, 2019·Environmental Monitoring and Assessment·Mehdi VahabianSafar Marofi
Jan 11, 2017·Environmental Science and Pollution Research International·Frédéric GimbertLotfi Aleya
Apr 1, 2019·Environmental Science and Pollution Research International·Shi-Jin FengHong-Xin Chen
Dec 4, 2019·Environmental Science and Pollution Research International·Zhongping QiuMin Li
Feb 6, 2021·Environmental Science and Pollution Research International·Rakhi ChaudharyArun Kumar
Aug 20, 2018·The Science of the Total Environment·Lotfi AleyaPascale Bourgeade
Dec 12, 2018·The Science of the Total Environment·Lotfi AleyaSimona Gabriela Bungau

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