水土保持学报2012，Vol.26Issue(6)：190-193,4.
2种固化剂对重金属和砷复合污染底泥的稳定化处理效果
Effect of Two Immobilization Materials on Stabilization Treatment for Heavy Metal and Arsenic Compound Polluted Sediment
摘要
Abstract
In order to assess the effects of two chemical immobilization materials like diammonium phosphate and calcium carbonate on stabilization of heavy metal and arsenic compound contaminated sediment,the toxicity leaching test and the exchange fractionation of heavy metal and arsenic were studied.The results showed that the pH value of the sediment decreased with the treatment of diammonium phosphate,while the pH value of the sediment increased after adding calcium carbonate.The diammonium phosphate had significant effects on the stabilization of Pb,while made Zn and As greatly activated in sediment.The stabilizations of Pb,Cd and Zn were significant by adding calcium carbonate,while there was no obvious effects on As.Conclusively,calcium carbonate was more suitable for the compound pollution of heavy metal and arsenic in polluted sediment.关键词
底泥/重金属/砷/稳定化/毒性浸出/交换态Key words
sediment/heavy metal/arsenic/stabilization/toxicity leaching/exchanging state分类
资源环境引用本文复制引用
钟倩云,曾敏,廖柏寒,胡立琼,雷鸣..2种固化剂对重金属和砷复合污染底泥的稳定化处理效果[J].水土保持学报,2012,26(6):190-193,4.基金项目
中国水利水电科学研究院开放研究基金项目 （）
环保公益性行业科研专项 （）
国家自然科学青年基金项目 （）
湖南省教育厅科学研究重点项目 （）
湖南省重点学科建设项目 （）
