| 酸碱改性对氧化铁脱硫剂脱硫性能影响的研究 |
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| 引用本文： | 曾丹林,胡定强,王光辉,邱江华,田永胜.酸碱改性对氧化铁脱硫剂脱硫性能影响的研究[J].环境工程学报,2011,5(3):627-630. |
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| 作者姓名： | 曾丹林 胡定强 王光辉 邱江华 田永胜 |
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| 作者单位： | 武汉科技大学化学工程与技术学院,湖北省煤转化与新型炭材料重点实验室,武汉,430081 |
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| 基金项目： | 湖北省自然科学基金资助项目（2008CDB025，2008CDB376）；湖北省教育厅优秀中青年人才项目（Q20081114） |
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| 摘 要： | 通过酸碱改性制备了酸式和碱式2种不同表面性质的常温氧化铁脱硫剂,并采用FT-IR技术对其表面酸碱性质和净化硫化氢废气活性进行了研究.结果表明,表面酸碱件质不同的脱硫剂其脱硫反应行为也不同,在脱硫过程中硫化氢氧化生成的硫酸及亚硫酸会影响脱硫剂的表面酸碱性质,造成酸式脱硫剂的表面酸性更强,从而抑制了硫化氢分子在酸式脱硫剂表...
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| 关 键 词： | 氧化铁 脱硫剂 表面性质 脱硫 |
Study on effect of acid-base modification on desulfurization capability of iron oxide desulfurizer |
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| Zeng Danlin,Hu Dingqiang,Wang Guanghui,Qiu Jianghua and Tian Yongsheng.Study on effect of acid-base modification on desulfurization capability of iron oxide desulfurizer[J].Techniques and Equipment for Environmental Pollution Control,2011,5(3):627-630. |
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| Authors: | Zeng Danlin Hu Dingqiang Wang Guanghui Qiu Jianghua and Tian Yongsheng |
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| Institution: | Hubei Key Laboratory of Coal Conversion and New Carbon Material,College of Chemical Engineering and Technology, Wuhan University of Science and Technology, Wuhan 430081,China,Hubei Key Laboratory of Coal Conversion and New Carbon Material,College of Chemical Engineering and Technology, Wuhan University of Science and Technology, Wuhan 430081,China,Hubei Key Laboratory of Coal Conversion and New Carbon Material,College of Chemical Engineering and Technology, Wuhan University of Science and Technology, Wuhan 430081,China,Hubei Key Laboratory of Coal Conversion and New Carbon Material,College of Chemical Engineering and Technology, Wuhan University of Science and Technology, Wuhan 430081,China and Hubei Key Laboratory of Coal Conversion and New Carbon Material,College of Chemical Engineering and Technology, Wuhan University of Science and Technology, Wuhan 430081,China |
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| Abstract: | The ambient iron oxide desulfurizers with two different type of surface characteristics were prepared by acid-base modification. The surface acid-base properties and activity of the hydrogen sulfide waste gas purification were investigated by FT-IR. The results indicate that the performance of H2S removal are different for different surface acid-base characteristics of the desulfurizers. The formation of H2SO4 or H2SO3 by the oxidation of H2S during the desulfurization process leads to more stronger acidic strength of the acid modified desulfurizer surface. Consequently, the adsorption of H2S moleculer is suppressed on this acidic surface and the desulfurization activity of the desulfurizer decreases. While for the base modified desulfurizer, the basic surface suppresses the deactivity of the H2SO4 or H2SO3 and the desulfurization capabilitiy of the base modified desulfurizer distinctly increases. The application results show that the base modified desulfurizer are satisfied for the requirement of the hydrogen sulfide waste gas purification. |
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| Keywords: | iron oxide desulfurizer surface characteristic desulfurization |
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