CLOSED LANDFILL HEAVY METAL CONTAMINATION DISTRIBUTION PROFILES AT DIFFERENT SOIL DEPTHS AND RADIUSES

IF 0.6 4区环境科学与生态学 Q4 ECOLOGY

Applied Ecology and Environmental Research Pub Date : 2019-05-01 DOI:10.15666/AEER/1704_80598067

R. Othman, Nur Hanie Mohd Latiff, Zainul Mukrim Baharuddin, K. S. Hashim, Lukman Hakim Mahamod

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引用次数: 5

Abstract

Various types of wastes are the main sources of heavy metal within a landfill system including metal waste components such as food cans, scrap metal, household hazardous waste and electronic waste such as batteries and old computers. The procedure that occurs inside the waste cells quickens that procedure for substantial metal draining from the waste component. This study comparing soil samples taken from four different sites in Selangor of closed non-sanitary (Sungai Kembong) and sanitary (Ampar Tenang, Air Hitam and Kubang Badak) landfills at different depths (0-30 cm, 30-60 cm and 60-90 cm) and radiuses (5-10 m, 10-15 m and 15-20 m), for ten heavy metals (Al, Cr, Mn, Fe, Co, Ni, Cu, Zn, Cd and Pb) to find the risk of heavy metal movement from the upper layer cell into the deeper layer. The data were analysed using ICP-MS (Perkin Elmer NexION 300X). Al and Fe displayed higher concentration at most of the sites with different volume of concentration at different depth and radius. Most of the sites consistently showed higher contamination in deeper soil than the upper layer of the soil.

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不同土壤深度和半径的封闭式垃圾填埋场重金属污染分布特征

各种类型的废物是垃圾填埋系统中重金属的主要来源，包括金属废物成分，如食品罐、废金属、家庭危险废物和电子废物，如电池和旧电脑。废电池内部发生的过程加快了从废组件中排出大量金属的过程。本研究比较了雪兰莪州四个不同地点的封闭式非卫生（Sungai Kembong）和卫生（Ampar Tenang、Air Hitam和Kubang Badak）垃圾填埋场不同深度（0-30厘米、30-60厘米和60-90厘米）和半径（5-10米、10-15米和15-20米）的土壤样本，对于十种重金属（Al、Cr、Mn、Fe、Co、Ni、Cu、Zn、Cd和Pb），以发现重金属从上层细胞向深层移动的风险。使用ICP-MS（Perkin Elmer NexION 300X）对数据进行分析。Al和Fe在不同深度和半径的不同浓度体积的大多数位点表现出较高的浓度。大多数地点在深层土壤中的污染始终高于上层土壤。

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来源期刊

Applied Ecology and Environmental Research ECOLOGY-ENVIRONMENTAL SCIENCES

CiteScore

1.40

自引率

14.30%

发文量

104

审稿时长

14 months

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