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首页> 外文期刊>International Journal of Applied Engineering Research >Impact of Lead on the Geotechnical Properties and Adsorption Characteristics of Landfill Liner
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Impact of Lead on the Geotechnical Properties and Adsorption Characteristics of Landfill Liner

机译：铅对垃圾填埋场岩土性特性和吸附特性的影响

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摘要

Landfills are highly engineered waste containment systems, designed to minimize the impact of solid waste on the environment and human health. In landfills, the waste is contained by a liner system at the bottom and cover system at the top. The barrier layer, the most important component of liner or cover system which is also simply called as a liner/cover, is normally constructed with clay or amended clay. The clay barrier layer prevents the lead solutions/gas generated in the landfill from spreading. Lead solution consists of water and heavy metal that accumulate as water perculates through the landfill liner/cover or due to squeezing of waste itself. Heavy metal contamination can cause significant changes in properties of soil used as barrier layer, leading to an improvement or degradation in the engineering behaviour of soils. The Barrier layers in liner undergo various chemical, biological, and physical changes as the lead solution percolate through them. In this study the impact of lead in lead solution on the geotechnical properties of landfill liners using bentonite and kaolinites are reported.
机译：垃圾填埋场是高度工程的废物遏制系统，旨在最大限度地减少固体废物对环境和人类健康的影响。在垃圾填埋场中，废物包含在顶部的底部和覆盖系统的衬垫系统。屏障层，也简单地称为衬里/盖子的衬垫或覆盖系统的最重要的组件通常用粘土或修正的粘土构成。粘土阻挡层防止填埋场中产生的铅溶液/气体蔓延。铅溶液由水和重金属组成，作为水通过垃圾填埋场衬垫/盖子或由于废物本身挤压而覆盖。重金属污染会导致用作屏障层的土壤性质的显着变化，导致土壤的工程行为改善或降解。衬里中的屏障层随着通过它们的铅溶液而经历各种化学，生物学和物理变化。在这项研究中，报道了铅溶液对使用膨润土和高岭土的垃圾填埋衬垫岩土性特性的影响。

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