| 生活垃圾焚烧飞灰特性分析 |
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| 引用本文： | 高亮,刘彦博,张曙光,郝永俊,杨恩德,付晨光. 生活垃圾焚烧飞灰特性分析[J]. 环境卫生工程, 2010, 18(5): 4-6 |
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| 作者姓名： | 高亮 刘彦博 张曙光 郝永俊 杨恩德 付晨光 |
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| 作者单位： | 天津泰达环保有限公司;扬州泰达环保有限公司; |
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| 基金项目： | 扬州市科技局科技计划项目，天津市科技创新专项资金项目 |
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| 摘 要： | 分别对炉排床垃圾焚烧炉飞灰(FA1)和流化床垃圾焚烧炉飞灰(FA2)的化学成分、物相、微观形貌、重金属含量及其渗沥行为等特性进行分析,结果表明:2种飞灰的主要化学成分为SiO2、CaO、Al2O3、Fe2O3等,FA2中高熔点成分含量比FA1高;飞灰的主要物相为SiO2、NaCl、CaSO4等晶体,飞灰颗粒为不规则形;飞灰中Cu、Pb和Zn的含量较多,按照硫酸硝酸法,FA1、FA2中重金属Pb的浸出浓度超过国家规定的危险废物鉴别标准;按醋酸缓冲溶液法,FA1、FA2中的浸出液重金属Pb、Cd浓度都远高于填埋场的限值,需处理后方可进入生活垃圾填埋场填埋。
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| 关 键 词： | 生活垃圾焚烧 飞灰 化学成分 重金属 浸出毒性 |
Characteristics Analysis of Fly Ash from Domestic Waste Incineration |
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| Gao Liang,Liu Yanbo,Zhang Shuguang,Hao Yongjun,Yang Ende,Fu Chenguang. Characteristics Analysis of Fly Ash from Domestic Waste Incineration[J]. Environmental Sanitation Engineering, 2010, 18(5): 4-6 |
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| Authors: | Gao Liang Liu Yanbo Zhang Shuguang Hao Yongjun Yang Ende Fu Chenguang |
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| Affiliation: | Gao Liang1,Liu Yanbo2,Zhang Shuguang1,Hao Yongjun2,Yang Ende2,Fu Chenguang2(1.Tianjin Teda Environmental Protection Co.,Ltd,Tianjin 300384,2.Yangzhou Teda Environmental Protection Co.,Yangzhou Jiangsu 225000) |
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| Abstract: | The chemical composition,mineralogy,morphology,heavy metal contents and its leaching behavior of waste incineration fly ash from grate bed(FA1) and fluidized bed(FA2) incinerators had been respectively analyzed.The results indicated that FA1 and FA2 have the similar chemical composition;their major components are SiO2,CaO,Al2O3 and Fe2O3.High-melting component in FA2 is appreciably higher than FA1.Their major crystalline phases is SiO2,NaCl and CaSO4.Two kinds of fly ash are composed of irregular porous spo... |
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| Keywords: | domestic waste incineration fly ash chemical composition heavy metal leaching toxicity |
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