摘要
在固定床吸附机理研究试验台上,利用汞在线分析仪研究了铁基吸附剂在氮气和模拟煤气气氛下对单质汞的吸附作用。实验结果表明,N2气氛下,铁基吸附剂的煅烧抑制了吸附剂对单质汞的脱除;铁基吸附剂在模拟煤气气氛下有着较高的脱汞效率,脱汞效率能够长时间维持在90%以上;吸附床温度会影响Fe2O3吸附剂对单质汞的吸附,随着吸附床温度升高,Fe2O3吸附剂的脱汞效率先升高后下降。
The adsorption of gas-phase elemental mercury by iron oxide sorbent under nitrogen and simulated gas atmosphere was studied on a bench-scale fixed-bed apparatus by using mercury online analyzer.The result showed that,the calcination of the iron oxide sorbent suppressed the removal of the mercury under N2 atmosphere.The iron oxide sorbent had a high mercury removal efficiency under H2S atmosphere and the mercury removal efficiency can be maintained above 90% for a long time.The elemental mercury removal efficiency was influenced strongly by the adsorption temperature.With the adsorption temperature increased,the elemental mercury removal efficiency varied in the shape of a mountain.
出处
《能源工程》
2013年第3期31-34,49,共5页
Energy Engineering
基金
国家自然科学基金资助项目(51176171)
环保公益性行业科研专项经费资助项目(200909024)
关键词
汞
氧化铁
模拟煤气
脱汞效率
elemental mercury
iron oxide
hydrogen sulfide
removal efficiency
