Characteristic and Leaching Behavior of Heavy Metals from Municipal Solid Wastes Incineration (MSWI) Fly Ash in Chongqing, China

文献类型： 外文期刊

第一作者： Hao, Qingju

作者： Hao, Qingju;Jiang, Changsheng;Tang, Qiwen;Zhang, Junke;Hao, Qingju;Jiang, Changsheng

作者机构：

关键词： MSWI fly ash;heavy metals;particle size distribution;leaching behavior

期刊名称：2010 4TH INTERNATIONAL CONFERENCE ON BIOINFORMATICS AND BIOMEDICAL ENGINEERING (ICBBE 2010)

ISSN： 2151-7614

年卷期： 2010 年

页码：

收录情况： SCI

摘要： An investigation was conducted on the characteristics and leaching behavior of heavy metals from municipal solid wastes incineration (MSWI) fly ash in Chongqing, China. Results indicated that the average particle size of the fly ash was 36.4 mu m, the large particles were formed mainly by small particles ' adsorption or aggregation. The total content of the main heavy metals was about 1.04% of the fly ash, among which the contents of Zn, Pb, Mn and Cr were relatively high. Leaching concentrations of heavy metals in fly ash were influenced by the leaching procedure. The leaching concentrations of the heavy metals in fly ash determined by GB5085.3-2007 were all under the national standard limits. However, the leaching concentrations of Pb and Cd were 5.75 and 1.89 mg.kg(-1), respectively, both beyond the TCLP limits.

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