| Au/Mn2O3/Al2O3催化剂的制备及其deNOx活性 |
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| 引用本文： | 徐秀峰,崔怀娟,索掌怀,齐世学,安立敦.Au/Mn2O3/Al2O3催化剂的制备及其deNOx活性[J].燃料化学学报,2002,30(4):377-380. |
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| 作者姓名： | 徐秀峰 崔怀娟 索掌怀 齐世学 安立敦 |
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| 作者单位： | 烟台大学,应用催化研究所,山东,烟台,264005 |
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| 基金项目： | 山东省科技计划项目 ( 9812 0 6 40 3)~~ |
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| 摘 要： | 由于燃煤烟气、汽车尾气的过度排放 ,大气中ＮＯｘ(其中ＮＯ占 90 %以上 )浓度已呈上升趋势。ＮＯ在阳光作用下 ,易形成光化学烟雾 ,危害人体的呼吸系统。ＮＯ还是破坏大气臭氧层和形成酸雨的前驱气体之一 ,破坏生态环境。催化分解和催化还原法是消除ＮＯ(ｄｅＮＯｘ)的主要方法。但由于实际环境中ＮＯ往往与某一种或几种还原性气体 (如ＣＯ、低碳烃 )共存 ,所以催化还原法是人们公认的有应用前景的ｄｅＮＯｘ 方法1 ] 。近十几年来 ,国内外研究较多的ｄｅＮＯｘ 催化剂是Ｃｕ ＺＳＭ 5 ,其催化活性除受原料气中氧含量的影响外 ,很大程度上…
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| 关 键 词： | 制备 Au Mn2O3 Al2O3 X－射线衍射 deNOx活性 金 氧化锰 氧化铝 复合催化剂 氮氧化物 催化分解 |
| 文章编号： | 0253-2409(2002)04-0377-04 |
| 修稿时间： | 2001年11月19 |
PREPARATION OF Au/Mn2O3/Al2O3 CATALYSTS AND THEIR deNOx PERFORMANCES |
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| XU Xiu feng,CUI Huai juan,SUO Zhang huai,QI Shi xue,AN Li dun.PREPARATION OF Au/Mn2O3/Al2O3 CATALYSTS AND THEIR deNOx PERFORMANCES[J].Journal of Fuel Chemistry and Technology,2002,30(4):377-380. |
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| Authors: | XU Xiu feng CUI Huai juan SUO Zhang huai QI Shi xue AN Li dun |
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| Abstract: | Nitrogen monoxide(NO) emitted from automobile exhaust and other industrial sources contributes largely to a variety of environmental problems, such as the formation of acid rain and photochemical smog Therefore, the catalytic reduction of NO has become one of the urgent environmental issues In the present study, a series of Au/Mn 2O 3/Al 2O 3 catalysts, with different Mn 2O 3 loadings, were prepared by deposition precipitation The crystallite size of Au before and after reaction was characterized by XRD The activity of catalysts in the selective catalytic reduction of NO using propane in the presence of oxygen was evaluated It is found that the catalytic activity of Au/Mn 2O 3/Al 2O 3 is higher than that of Au/Al 2O 3 and Cu ZSM 5 at feed gas(0 6%NO+1 2%C 3H 8+5%O 2+He) and GHSV 5?000?h -1 |
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| Keywords: | Mn 2O 3 Au/Mn 2O 3/Al 2O 3 X ray diffraction deNO x performance |
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