Gujarat Pollution Control Board, Gandhinagar 382 010, Gujarat, India; Central University of Gujarat, Gandhinagar 382030, Gujarat, India.
Gujarat Pollution Control Board, Gandhinagar 382 010, Gujarat, India; Kadi Sarva Vishwavidyalaya, Gandhinagar, Gujarat 382015, India.
Sci Total Environ. 2023 Feb 20;860:160377. doi: 10.1016/j.scitotenv.2022.160377. Epub 2022 Nov 19.
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.
填埋是世界范围内应用最广泛的城市固体废物处置方法。这种策略的主要缺点是会形成渗滤液等。垃圾填埋场渗滤液含有高度有毒和生物难降解的物质，对环境和人类健康有害。因此，需要评估和衡量将潜在有害的垃圾填埋场渗滤液排放到环境中的风险，以便就垃圾填埋场渗滤液管理和处理做出有效选择。有鉴于此，本综述旨在调查：(a) 垃圾填埋场渗滤液如何被视为一个新出现的问题；(b) 利益相关者对实施技术和综合解决方案以减少垃圾填埋场渗滤液危害的中长期政策重点。由于据报道，传统方法效果不佳，并且为了应对新出现的污染物和严格的法规，已经开发了新的有效和综合的渗滤液处理方法。本研究对过去十年中垃圾填埋场渗滤液处理的成就和挑战进行了前瞻性思考。它还全面汇编了垃圾填埋场渗滤液的形成和特性、它所带来的地理环境挑战，以及与之相关的资源回收和产业联系，以便深入了解其可持续管理。
