城市固体废物导电性研究综述:综述。

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: 2023-11-28 DOI:10.1177/0734242X231204814
Sajjad Karimi, Christopher A Bareither, Joseph Scalia
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引用次数: 0

摘要

本研究是对城市生活垃圾(MSW)导电性的重要回顾,包括研究垂直应力、干单元重量和降解的影响。共汇编了56项研究,其中包括实验室、试验和垃圾填埋场规模的水力导电性实验。压实垃圾和增加垂直应力通过重塑垃圾基质中的孔隙网络、降低孔隙比和增加弯曲度来降低垃圾的水力导电性。然而,水力导电性降低的幅度取决于应力、废物成分和分解。固体废物分解会对水力导电性产生相反的影响。一些研究表明,增加生活垃圾的分解会导致颗粒尺寸减小和沉降,从而降低孔隙比,降低水导率。相反,一些研究表明,废物分解减少了固体质量,从而增加了空隙比,并产生了更大的流道,从而提高了水力导率。本研究的数据收集、观察和主要发现,有助固体废物从业员改善都市固体废物堆填区的设计、分析和运作。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A critical review of municipal solid waste hydraulic conductivity: A mini review.

This study is a critical review of municipal solid waste (MSW) hydraulic conductivity that includes investigation of the influence of vertical stress, dry unit weight and degradation. A total of 56 studies were compiled that included laboratory-, pilot- and landfill-scale hydraulic conductivity experiments. Compacting waste and increasing vertical stress reduce MSW hydraulic conductivity via reshaping the pore networks throughout the waste matrix, reducing the void ratio and increasing tortuosity. However, the magnitude of reduction in hydraulic conductivity is dependent on stress, waste composition and decomposition. Solid waste decomposition can have opposing effects on hydraulic conductivity. Some studies have indicated that an increase in MSW decomposition results in particle size reduction and settlement that reduces the void ratio and decreases hydraulic conductivity. Conversely, some studies indicate that waste decomposition reduces the solid mass, which increases the void ratio and creates larger flow paths that increase hydraulic conductivity. The data compilation, observations and key findings from this study are beneficial for solid waste practitioners to improve design, analysis and operation of MSW landfills.

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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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