城市固体废弃物的液压导电性的批判性审查:一个小型审查
Sajjad Karimi1, Christopher A Bareither2, Joseph Scalia2
1Air Quality Research Center, University of California Davis, Davis, CA, USA.
概括
本综述研究了压力和分解等因素如何影响城市固体废物 (MSW) 的液压导电性. 了解这些影响对于有效的垃圾填埋场设计和运营至关重要.
科学领域:
- 环境工程 环境工程
- 地质技术工程 地质技术工程
- 废物管理 废物管理
背景情况:
- 液压导电性是垃圾填埋场设计和运行的关键参数.
- 城市固体废物 (MSW) 的特性随着时间的推移而变化,这是由于应力和分解.
- 现有研究提出了关于分解对MSW液压导电性的影响的各种发现.
研究的目的:
- 对MSW液压导电性的现有研究进行批判性审查和综合.
- 调查垂直应力,干燥单位重量和降解对MSW液压导电性的影响.
- 为固体废物从业者提供有益的见解.
主要方法:
- 56项研究的汇编和批判性审查.
- 包括实验室,试点和垃圾填埋场规模的液压导电性实验.
- 分析影响液压导电性的因素,包括应力和分解.
主要成果:
- 增加垂直应力和废物压缩通过改变孔网,空隙比率和扭曲度来降低MSW液压导电性.
- 降低液压导电性的程度受压力水平,废物组成和分解的影响.
- 废物分解可以降低或增加液压导电性,这取决于颗粒大小的减少,沉积和质量的减少.
结论:
- 垂直应力和压缩是减少MSW液压导电性的主要因素.
- 废物分解对液压导电性的影响是复杂的,并且取决于环境.
- 这些发现有助于改善MSW垃圾填埋场的设计,分析和运行.
相关概念视频
Testing Water Quality
114
When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...
114
Quality of Water
98
In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
98


