| 三峡库区垃圾焚烧飞灰中汞的污染特性 |
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| 引用本文： | 丁世敏,刘元元,王里奥,沈跃辉,江雪梅,封享华,胡武洪.三峡库区垃圾焚烧飞灰中汞的污染特性[J].重庆大学学报(自然科学版),2009,32(10):1197-1201. |
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| 作者姓名： | 丁世敏 刘元元 王里奥 沈跃辉 江雪梅 封享华 胡武洪 |
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| 作者单位： | 丁世敏,DING Shi-min(长江师范学院化学及环境科学系,重庆,408100;重庆大学资源及环境科学学院,重庆,400000);刘元元,王里奥,LIU Yuan-yuan,WANG Liao(重庆大学资源及环境科学学院,重庆,400000);沈跃辉,江雪梅,封享华,胡武洪,SHEN Yue-hui,JIANG Xue-mei,FENG Xiang-hua,HU Wu-hong(长江师范学院化学及环境科学系,重庆,408100) |
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| 基金项目： | 重庆市教委科研项目，国家教育部春晖计划项目 |
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| 摘 要： | 研究了三峡库区垃圾焚烧飞灰中汞在不同粒径下的分布特征、不同浸出时间、液固比和不同酸度下的浸出规律、浸出毒性及飞灰中汞的不同存在形态的含量.结果表明三峡库区垃圾焚烧飞灰中汞平均含量为8.52 mg/kg,粒径在<100 μm范围内的飞灰中汞含量较高,且汞的含量随着飞灰颗粒尺寸的减小,呈增加趋势.汞的浸出与环境条件密切相关:汞的浸出量随pH值及液固比(L/S)的增加而增大,随时间的延长而减少.形态分析表明飞灰中汞的可氧化态及残渣态含量都较高,而弱酸提取态和可还原态含量则相对较低.
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| 关 键 词： | 垃圾焚烧飞灰 汞 分布特性 形态分析 浸出特性 |
| 收稿时间： | 2009/6/11 0:00:00 |
Pollution characteristics of mercury in incineration fly ash of municipal solid waste in Three Gorges region |
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| DING Shi-min,LIU Yuan-yuan,WANG Liao,SHEN Yue-hui,JIANG Xue-mei,FENG Xiang-hua,HU Wu-hong.Pollution characteristics of mercury in incineration fly ash of municipal solid waste in Three Gorges region[J].Journal of Chongqing University(Natural Science Edition),2009,32(10):1197-1201. |
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| Authors: | DING Shi-min LIU Yuan-yuan WANG Liao SHEN Yue-hui JIANG Xue-mei FENG Xiang-hua HU Wu-hong |
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| Institution: | Department of Chemistry & Environmental Science, Yangtze Normal University, Chongqing 408100, P. R. China; College of Resource and Environmental Science, Chongqing University, Chongqing 400030, P.R. China;College of Resource and Environmental Science, Chongqing University, Chongqing 400030, P.R. China;College of Resource and Environmental Science, Chongqing University, Chongqing 400030, P.R. China;Department of Chemistry & Environmental Science, Yangtze Normal University, Chongqing 408100, P. R. China;Department of Chemistry & Environmental Science, Yangtze Normal University, Chongqing 408100, P. R. China;Department of Chemistry & Environmental Science, Yangtze Normal University, Chongqing 408100, P. R. China;Department of Chemistry & Environmental Science, Yangtze Normal University, Chongqing 408100, P. R. China |
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| Abstract: | |
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| Keywords: | MSWI fly ash mercury distribution characteristics pattern analysis leaching characteristics |
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