| 沥青固化城市生活垃圾焚烧飞灰的实验研究 |
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| 引用本文： | 严建华,马增益,彭雯,李晓东,李建新,岑可法.沥青固化城市生活垃圾焚烧飞灰的实验研究[J].环境科学学报,2004,24(4):730-733. |
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| 作者姓名： | 严建华 马增益 彭雯 李晓东 李建新 岑可法 |
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| 作者单位： | 能源洁净利用与环境工程教育部重点实验室,浙江大学热能工程研究所,杭州,310027 |
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| 基金项目： | 国家重点自然科学基金资助项目(N59836210) |
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| 摘 要： | 对利用沥青固化城市生活垃圾焚烧飞灰的处理效果进行了实验研究.探讨了沥青与飞灰以不同比例混合对飞灰重金属Pb,Cr,Cd,Ni,Cu,Zn固化效果的影响.并对沥青与飞灰的质量比(mAS mFA,其中AS代表沥青,FA代表飞灰)为0 2时作了进一步的研究,在此基础上加入不同比例的添加剂S和NaOH.结果表明,在沥青与飞灰的混合物中再加适当比例的添加剂,对飞灰的固化效果大大提高.
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| 关 键 词： | 沥青 S NaOH 飞灰重金属 固化效果 重金属硫化物 |
| 文章编号： | 0253-2468(2004)04-0730-04 |
| 收稿时间： | 7/9/2003 12:00:00 AM |
| 修稿时间： | 2003年7月9日 |
Experimental study on solidification of MSW incinerator fly ash by mixing with asphalt |
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| YAN Jianhu,MA Zengyi,PENG Wen,LI Xiaodong,LI jianxin and CEN kefa.Experimental study on solidification of MSW incinerator fly ash by mixing with asphalt[J].Acta Scientiae Circumstantiae,2004,24(4):730-733. |
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| Authors: | YAN Jianhu MA Zengyi PENG Wen LI Xiaodong LI jianxin and CEN kefa |
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| Institution: | Clean Energy and Envirl Power Engineering, Zhejiang University, Hangzhou 310027,Clean Energy and Envirl Power Engineering, Zhejiang University, Hangzhou 310027,Clean Energy and Envirl Power Engineering, Zhejiang University, Hangzhou 310027,Clean Energy and Envirl Power Engineering, Zhejiang University, Hangzhou 310027,Clean Energy and Envirl Power Engineering, Zhejiang University, Hangzhou 310027 and Clean Energy and Envirl Power Engineering, Zhejiang University, Hangzhou 310027 |
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| Abstract: | Experiments have been performed to study the effects of treating MSW (municipal solid waste) incinerator fly ash by mixing with asphalt. The influence of mAS/mFA (mass to mass ratio, AS is asphalt, FA is fly ash) on the immobilization of heavy metals (Pb, Cr, Cd, Ni, Cu, Zn) in fly ash was investigated. It was further studied at fixed mAS/mFA (0.2) to investigate the effects of different proportions of additives (sulfur and sodium hydroxide) on metal immobilization in the mixture of asphalt and fly ash based on the typical proportion. Experimental results showed that the immobilization of metals in fly ash was improved greatly when the proper proportion of additives were applied to the mixture of asphalt and fly ash. |
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| Keywords: | asphalt sulfur sodium hydroxide fly ash heavy metals effect of immobilization heavy metal sulfides |
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