王琪莹, 董新法, 林维明. 钛交联粘土在C3H6选择性催化还原NOx中的应用研究[J]. 云南大学学报(自然科学版), 2006, 28(3): 235-240.
引用本文: 王琪莹, 董新法, 林维明. 钛交联粘土在C3H6选择性催化还原NOx中的应用研究[J]. 云南大学学报(自然科学版), 2006, 28(3): 235-240.
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WANG Qi-ying, DONG Xin-fa, LIN Wei-ming. Application of Ti-pillared clays in selective catalytic reduction of NOx by C3H6[J]. Journal of Yunnan University: Natural Sciences Edition, 2006, 28(3): 235-240.
Citation: WANG Qi-ying, DONG Xin-fa, LIN Wei-ming. Application of Ti-pillared clays in selective catalytic reduction of NOx by C3H6[J]. Journal of Yunnan University: Natural Sciences Edition, 2006, 28(3): 235-240.
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钛交联粘土在C3H6选择性催化还原NOx中的应用研究

Application of Ti-pillared clays in selective catalytic reduction of NOx by C3H6

    摘要
  • 摘要: 从钠基土合成了钛交联粘土(Ti-PILC).以交联粘土作为载体负载Cu,考察了对3H6选择性还原(SCR)NO反应的催化活性.Cu/Ti-PILC显示了很好的低温活性.Cu的负载方法影响催化剂活性.还研究了Ti-PILC负载其他金属(Fe/Ti-PILC,Ce/Ti-PILC,Zn/Ti-PILC,Co/Ti-PILC,Ag/Ti-PILC,Ni/Ti-PILC)催化剂的催化活性.用N2吸附脱附等温线和孔径分布考察了交联过程及铜的负载对粘土结构的影响.

     

    Abstract: Ti-pillared clays(Ti-PILCs) were synthesized from Na-montmorillinite.Cu-doped pillared clays were studied as catalysts for selective catalytic reduction(SCR) of NO by propylene.Cu/Ti-PILC showed high activity at relatively low temperatures.The method of copper loading influences the catalytic activity of the catalysts.The following catalysts were also prepared and studied:Fe/Ti-PILC,Ce/Ti-PILC,Zn/Ti-PILC,Co/Ti-PILC,Ag/Ti-PILC and Ni/Ti-PILC.N2 adsorption/desorption isotherms and pore size analysis were applied to study the influence of the pillaring process and Cu loading on the clay structure.

     

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