The impact of landfill management approaches on methane emissions.

IF 3.7 4区 环境科学与生态学 Q3 ENGINEERING, ENVIRONMENTAL
Waste Management & Research Pub Date : 2024-11-01 Epub Date: 2023-10-12 DOI:10.1177/0734242X231200742
Heijo Scharff, Hun-Yang Soon, Sam Rwabwehare Taremwa, Dennis Zegers, Bob Dick, Thiago Villas Bôas Zanon, Jonathan Shamrock
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引用次数: 0

Abstract

This article reports on how management approaches influence methane emissions from landfills. The project team created various landfill operational scenarios for different regions of the planet with respect to waste composition, organic waste reduction and landfill gas recovery timing. These scenarios were modelled by applying a basic gas generation model according to the United Nations Intergovernmental Panel on Climate Change (IPCC) recommendations. In general, the IPCC's recommended modelling parameters and default values were used. Based on the modelling undertaken, two options stand out as being the most effective methane mitigation measures in a wide range of conditions throughout the world: (a) early gas recovery and (b) reduction of the amount of biodegradable organic waste accepted in a landfill. It is noted that reduction of organic input to any given landfill can take many years to realize. Moreover, suitable alternative processing or disposal options for the organic waste can be unaffordable for a significant percentage of the planet's population. Although effective, organic waste reduction cannot therefore be the only landfill methane mitigation measure. Early landfill gas recovery can be very effective by applying basic technologies that can be deployed relatively quickly, and at modest cost. Policymakers and regulators from around the globe can significantly reduce adverse environmental impacts from landfill gas emissions by stimulating both the early capture and flaring and/or energy recovery of landfill gas and programmes to reduce the inflow of organic waste into landfills.

垃圾填埋管理方法对甲烷排放的影响。
本文报道了管理方法如何影响垃圾填埋场的甲烷排放。项目团队为地球上不同地区的垃圾组成、有机垃圾减少和垃圾填埋气体回收时间创造了各种垃圾填埋操作场景。根据联合国政府间气候变化专门委员会(IPCC)的建议,通过应用基本的天然气生成模型对这些情景进行了建模。一般来说,使用了气专委建议的建模参数和默认值。根据所进行的建模,在世界各地的各种条件下,有两种选择是最有效的甲烷缓解措施:(a)早期气体回收和(b)减少垃圾填埋场中可生物降解的有机废物的数量。值得注意的是,减少任何特定垃圾填埋场的有机物投入可能需要多年才能实现。此外,对于地球上很大一部分人口来说,有机废物的适当替代处理或处置方案可能是负担不起的。因此,尽管减少有机废物是有效的,但不能成为唯一的垃圾填埋甲烷缓解措施。通过应用可以相对快速部署且成本适中的基本技术,早期垃圾填埋气回收可以非常有效。全球各地的政策制定者和监管机构可以通过刺激垃圾填埋气体的早期捕获和燃烧和/或能源回收,以及减少有机废物流入垃圾填埋场的计划,大大减少垃圾填埋气体排放对环境的不利影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Waste Management & Research
Waste Management & Research 环境科学-工程:环境
CiteScore
8.50
自引率
7.70%
发文量
232
审稿时长
4.1 months
期刊介绍: Waste Management & Research (WM&R) publishes peer-reviewed articles relating to both the theory and practice of waste management and research. Published on behalf of the International Solid Waste Association (ISWA) topics include: wastes (focus on solids), processes and technologies, management systems and tools, and policy and regulatory frameworks, sustainable waste management designs, operations, policies or practices.
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