| 飞灰未燃尽碳对吸附烟气汞影响的试验研究 |
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| 引用本文： | 王鹏,吴江,任建兴,张锦红,方继辉,石宙. 飞灰未燃尽碳对吸附烟气汞影响的试验研究[J]. 动力工程, 2012, 32(4): 332-337 |
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| 作者姓名： | 王鹏 吴江 任建兴 张锦红 方继辉 石宙 |
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| 作者单位： | 上海电力学院能源与环境工程学院,上海,200090 |
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| 基金项目： | 国家自然科学基金资助项目，上海市“曙光人才计划”资助项目，上海市教委科研创新重点资助项目，上海市地方能力建设资助项目，上海市教委重点学科第五期资助项目 |
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| 摘 要： | 采用HYDRA AA全自动测汞仪对3个燃煤电厂的飞灰未燃尽碳进行测试,并利用垂直炉试验系统对电厂飞灰吸附烟气汞进行了试验研究.结果表明：不同燃煤电厂飞灰中的未燃尽碳含量不同是由于各电厂不同煤种、不同燃烧工况以及机组的不同参数造成的;同一电厂的飞灰在灼烧后与原灰相比,对烟气汞的吸附效率相差不大;除了飞灰中的未燃尽碳对汞有吸附外,尾矿对汞也有一定的吸附作用;未燃尽碳含量高的飞灰对汞的吸附效率也较高.
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| 关 键 词： | 电厂 燃煤飞灰 未燃尽碳 烟气汞 吸附特性 |
Experimental Study on Influence of Unburned Carbon in Fly Ash on Mercury Adsorption in Flue Gas |
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| WANG Peng,WU J iang,REN Jian-.ring,ZHANG Jin-hong,FANG Ji hui,SHI Zhou. Experimental Study on Influence of Unburned Carbon in Fly Ash on Mercury Adsorption in Flue Gas[J]. Power Engineering, 2012, 32(4): 332-337 |
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| Authors: | WANG Peng WU J iang REN Jian-.ring ZHANG Jin-hong FANG Ji hui SHI Zhou |
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| Affiliation: | (School of Energy and Environmental Engineering, Shanghai University of Electric Power, Shanghai 200090, China) |
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| Abstract: | Unburned carbon in fly ash samples from three coal fired power plants was measured and its ad- sorption capability on flue gas mercury was experimentally studied using vertical furnace system. Results show that the difference of unburned carbon content among three samples may be caused by different coal types, combustion conditions and unit parameters. For fly ash from the same power plant, its adsorption capability on flue gas mercury basically keeps the same before and after burning test. Besides unburned carbon in fly ash, residuals have also some effects on mercury adsorption. Fly ash with higher content of unburned carbon has also higher adsorption efficiency on flue gas mercury. |
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| Keywords: | power plant fly ash from coal combustion unburned carbon flue gas mercury adsorptioncharacteristic |
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