Biological Treatment, Advanced Oxidation and Membrane Separation for Landfill Leachate Treatment: A Review
Kamal A. Makhatova A. Yergali B. Baidullayeva A. Satayeva A. Kim J. Inglezakis V.J. Poulopoulos S.G. Arkhangelsky E.
November 2022MDPI
Sustainability (Switzerland)
2022#14Issue 21
Landfill leachate, especially when produced in old municipal solid waste landfills, is a challenging type of wastewater which contains a variety of toxic substances. The existence of pollutants in the landfill leachate is primarily due to inadequate solid waste separation at the source. Pretreatment on site is a must for the landfill leachate to be safely released into the environment. One-step treatment is insufficient since landfill leachate has a complex composition that spatially and temporally varies. Often, the landfill leachate and municipal wastewater are treated together. Biological treatment is a routine technique which is applied to landfill leachate less than five years old. The concentration of easily biodegradable organic matter in the young landfill leachate declines with time and, as a result, the application of physical and chemical treatment processes is required. The goal of the current work is to investigate the usefulness and capability of the most efficient and widely available technique/s for landfill leachate treatment, to identify the main challenges and strengths of each technology and seek the optimum solution.
activated sludge , AOPs , landfill leachate , membrane separation , photochemical treatment
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Environmental Science & Technology Group (ESTg), Civil and Environmental Engineering Department, School of Engineering and Digital Sciences, The Environment & Resource Efficiency Cluster (EREC), Nazarbayev University, Nur-Sultan, 010000, Kazakhstan
Environmental Science & Technology Group (ESTg), Chemical and Materials Engineering Department, School of Engineering and Digital Sciences, The Environment & Resource Efficiency Cluster (EREC), Nazarbayev University, Nur-Sultan, 010000, Kazakhstan
National Laboratory Astana (NLA), Environmental Science & Technology Group (ESTg), The Environment & Resource Efficiency Cluster (EREC), Nazarbayev University, Nur-Sultan, 010000, Kazakhstan
Civil and Environmental Engineering Department, School of Engineering and Digital Sciences, Nazarbayev University, Nur-Sultan, 010000, Kazakhstan
Chemical and Process Engineering Department, Faculty of Engineering, University of Strathclyde, Glasgow, G1 1XJ, United Kingdom
Environmental Science & Technology Group (ESTg)
Environmental Science & Technology Group (ESTg)
National Laboratory Astana (NLA)
Civil and Environmental Engineering Department
Chemical and Process Engineering Department
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