Tricks and tracks in waste management with a special focus on municipal landfill leachate: Leads and obstacles

Mohanty SS 1 , Vyas S 2 , Koul Y 1 , Prajapati P 2 , Varjani S 3 , Chang JS 4 Show all authors , Bilal M 5 , Moustakas K 6 , Show PL 7 , Vithanage M 8

Affiliations 

  • 1 Gujarat Pollution Control Board, Gandhinagar 382 010, Gujarat, India; Central University of Gujarat, Gandhinagar 382030, Gujarat, India
  • 2 Gujarat Pollution Control Board, Gandhinagar 382 010, Gujarat, India; Kadi Sarva Vishwavidyalaya, Gandhinagar, Gujarat 382015, India
  • 3 Gujarat Pollution Control Board, Gandhinagar 382 010, Gujarat, India. Electronic address: drsvs18@gmail.com
  • 4 Department of Chemical Engineering, National Cheng-Kung University, Tainan, Taiwan; Department of Chemical and Materials Engineering, Tunghai University, Taichung 407, Taiwan; Research Center for Smart Sustainable Circular Economy, Tunghai University, Taichung 407, Taiwan
  • 5 Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60695 Poznan, Poland
  • 6 School of Chemical Engineering, National Technical University of Athens, Unit of Environmental Science & Technology, 9 Heroon Polytechniou Street, Zographou Campus, 15780 Athens, Greece
  • 7 Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, Semenyih, Selangor Darul Ehsan 43500, Malaysia
  • 8 Ecosphere Resilience Research Center, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka; Sustainability Cluster, School of Engineering, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India
Sci Total Environ, 2023 Feb 20;860:160377.
PMID: 36414054 DOI: 10.1016/j.scitotenv.2022.160377

Abstract

Landfilling is the most widely used disposal method for municipal solid waste around the world. The main disadvantage of this strategy is formation of leachate, among other aspects. Landfill leachate contains highly toxic and bio-refractory substances that are detrimental to the environment and human health. Hence, the risk(s) of discharging potentially harmful landfill leachate into the environment need to be assessed and measured in order to make effective choices about landfill leachate management and treatment. In view of this, the present review aims to investigate (a) how landfill leachate is perceived as an emerging concern, and (b) the stakeholders' mid- to long-term policy priorities for implementing technological and integrative solutions to reduce the harmful effects of landfill leachate. Because traditional methods alone have been reported ineffective, and in response to emerging contaminants and stringent regulations, new effective and integrated leachate treatments have been developed. This study gives a forward-thinking of the accomplishments and challenges in landfill leachate treatment during the last decade. It also provides a comprehensive compilation of the formation and characterization of landfill leachate, the geo-environmental challenges that it raises, as well as the resource recovery and industrial linkage associated with it in order to provide an insight into its sustainable management.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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