针对煤热解气中烃类物质对连续测汞仪的影响,本文采用高温载氧体处理煤热解气消除此影响,研究了煤热解气处理后汞连续测量的效果并进行实际应用.结果表明:烃类物质造成冷原子吸收测汞仪测量结果完全错误.经载氧体处理后氧化了热解气中烃类物质,使热解气中汞能被准确连续测量.使用前后载氧体XRD分析也验证这一结果.在煤程序升温热解汞的连续测量应用中,发现实验所用煤中汞主要有两个温度释放峰,且在600℃已基本释放完全.
参考文献
| [1] | Pirrone, N.;Cinnirella, S.;Feng, X.;Finkelman, R.B.;Friedli, H.R.;Leaner, J.;Mason, R.;Mukherjee, A.B.;Stracher, G.B.;Streets, D.G.;Telmer, K. .Global mercury emissions to the atmosphere from anthropogenic and natural sources[J].Atmospheric chemistry and physics,2010(13):5951-5964. |
| [2] | David G. Streets;Jiming Hao;Ye Wu;Jingkun Jiang;Melissa Chan;Hezhong Tian;Xinbin Feng .Anthropogenic mercury emissions in China[J].Atmospheric environment,2005(40):7789-7806. |
| [3] | 张成,曹娜,邱建荣,陈刚.煤燃烧前温和热解汞和硫的释放特性研究[J].中国电机工程学报,2009(20):35-40. |
| [4] | Shafawi A.;Foulkes M.;Stockwell P.;Corns W.;Ebdon L. .Determination of total mercury in hydrocarbons and natural gas condensate by atomic fluorescence spectrometry[J].The Analyst: The Analytical Journal of the Royal Society of Chemistry: A Monthly International Publication Dealing with All Branches of Analytical Chemistry,1999(2):185-189. |
| [5] | 李振山,韩海锦,蔡宁生.化学链燃烧的研究现状及进展[J].动力工程,2006(04):538-543. |
| [6] | Analysis of mercury species present during coal combustion by thermal desorption[J].Fuel,2010(3):629. |
| [7] | 张成,李婷婷,曲世俊,李冬,陈刚.煤温和热解过程中汞释放形态及分布规律研究[J].工程热物理学报,2012(11):1993-1997. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%