Volume and Toxic Composition of Leachate from an Open Dump
Volume and Toxic Composition of Leachate from an Open Dump作者机构：Solid Waste and Environment Laboratory Forestry and Agronomics Research Institute University of Michoacan of Saint Nicholas Hidalgo Morelia 58880 Mexico Chemical-Biological Research Institute University of Michoacan of Saint Nicholas Hidalgo Morelia 58880 Mexico Geology and Mineralogy Department Metallurgical Research Institute University of Michoacan of Saint Nicholas Hidalgo Morelia 58880. Mexico
出 版 物：《Journal of Environmental Science and Engineering》 (环境科学与工程（英文版）)
年 卷 期：2011年第5卷第9期
页 面：1131-1140页
学科分类：083002[工学-环境工程] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 08[工学]
主 题：Toxic composition leachate solid waste open dump
摘 要：In Mexico, hazardous and non-hazardous urban solid wastes are commonly disposed of in dumps. Inappropriate waste disposal makes solid waste disposal sites potential sources of pollution and health risks. The objective of the present study was to evaluate the impact of leachate from a dump on surface water systems. Physical, chemical, and bacteriological characteristics and the volume of leachate were measured. The site of study is located in Zinaprcuaro, Michoac^m, Mexico, and was chosen due to the water supplies were in line with the dump, thus conforming a system to test for movement of toxins. Leachate and water from three ponds located at different distances to the dump were sampled during three months of a year to measure physicochemical and bacteriological parameters, according to the standard methods of the American Public Health Association; the concentration of heavy metals was measured by atomic absorption spectrometry. Most characteristics exceed the maximum permissible limits established for the Mexican legislation regarding wastewater discharges and drinking water. Likewise, analysis of variance showed statistically significant differences between concentrations of pollutants in relation to the distance from the dump of sampled sites and with season of sampling, thus confirming the contamination of water by dump leachate.
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