Comparison between Acetic Acid and Landfill Leachates for the Leaching of Pb(ll),Cd(ll),As(V),and Cr(VI)from Cementitious Wastes

Cheryl E.halim; Jason A.Scott; Helena NatawardayanatawardayaRose AmalDonia BeydounGary Low

首页> 外文期刊>Environmental Science & Technology: ES&T >Comparison between Acetic Acid and Landfill Leachates for the Leaching of Pb(ll),Cd(ll),As(V),and Cr(VI)from Cementitious Wastes

【24h】

Comparison between Acetic Acid and Landfill Leachates for the Leaching of Pb(ll),Cd(ll),As(V),and Cr(VI)from Cementitious Wastes

机译：Comparison between Acetic Acid and Landfill Leachates for the Leaching of Pb(ll),Cd(ll),As(V),and Cr(VI)from Cementitious Wastes

获取原文

获取原文并翻译 | 示例

掌桥外文数据库（机构版） >>

开具论文收录证明 >>

文献代查 >>

页面导航

摘要
著录项
相关主题

摘要

The Toxicity Characteristic Leaching Procedure(TCLP)has been widely used to characterize the suitability of solid wastes for disposal in landfills.However,the widespread application of this test for the assessment of wastes disposed in different landfill types is often questionable.This paper investigates the leaching profiles of cement-stabilized heavy metal ions,namely,Pb(II),Cd(II),As(V),and Cr(VI),using acetic acid and leachates from municipal and nonputrescible Australian landfill sites.The leaching profiles of Pb,Cd,As,and Cr using acetic acid were found to be similar to the nonputrescible landfill leachate and differed markedly from the municipal solid waste(MSW)leachate.The additional presence of high amounts of organic and inorganic compounds in the municipal landfill leachate influenced the leaching profiles of these metal ions as compared to the acetic acid and the nonputrescible systems.It is postulated that the organic compounds present in the municipal landfill leachate formed complexes with the Pb and Cd,increasing the mobility of these ions.Moreover,the organic compounds in the municipal landfill leachate induced a reducing environment in the leachate,causing the reduction of Cr(VI)to Cr(lll).It was also found that the presence of carbonates in the municipal landfill leachate affected the stability of calcium arsenate,with the carbonate competing with arsenate for calcium at high pH,forcing arsenate into the solution.

著录项

来源
《Environmental Science & Technology: ES&T》 |2004年第14期|3977-3983|共7页
作者
Cheryl E.halim; Jason A.Scott; Helena NatawardayanatawardayaRose AmalDonia BeydounGary Low;
展开▼
作者单位

Centre for Particle and Catalyst Technologies,School of Chemical Engineering and Industrial Chemistry,The University of New South Wales,Sydney,NSW 2052,Australia,and Department of Environment and Conservation,Analytical and Environmental Chemistry Se;

展开▼
收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类环境化学;
关键词

Comparison between Acetic Acid and Landfill Leachates for the Leaching of Pb(ll),Cd(ll),As(V),and Cr(VI)from Cementitious Wastes

摘要

著录项

相关主题

期刊订阅