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《CHONGQING ENVIRONMENTAL SCIENCE》 2000-04
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Releasing of As in Coal and Fly Ash of Chongqing Power Plant under Organic Acid Conditions

Liu Huiyong 1,Xu Xuchang 1,Yao Qiang 1,Zhang Aiyun 2,Yin Jinshuang 3,Wang Xiuqin 3 (1.Key Laboratory of Clean Coal Combustion,Department of Thermal Engineering,Tsinghua University,Beijing 100084; 2.Department of Energy and Reso  
This paper mainly discussed the leaching characteristics of As in coal and fly ash of Chongqing Power Plant through the leaching experiments by using the simulated acid rain.HNO 3,CH 3COOH and mixed acid (with pH value 4.47)leaching solutions were provided to carry out the 40h leaching experiments.The results showed that large amounts of As were leached from coal and fly ash under organic acid leaching solutions,and H + buffering of organic acid played an important role on As releasing.
【Fund】: 国家重点基础研究专项经费资助! ( G1 9990 2 2 2 )
【CateGory Index】: X501
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