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Ce-P-O催化剂用于氨选择催化还原消除氮氧化物
引用本文:李飞,杨向光,王永棣,侯鑫,庞菊玲,邓拓.Ce-P-O催化剂用于氨选择催化还原消除氮氧化物[J].工业催化,2012,20(2):10-15.
作者姓名:李飞  杨向光  王永棣  侯鑫  庞菊玲  邓拓
作者单位:1.西北化工研究院,陕西 西安 710600;2.中国科学院长春应用化学研究所,吉林 长春 130022
基金项目:科研院所技术开发研究专项资金
摘    要:制备了可用于氨选择催化还原消除氮氧化物的Ce-P-O催化剂,通过X射线衍射、扫描电镜、N2吸附、H2程序升温还原和氨程序升温脱附等手段对催化剂进行了表征,并考察了催化剂的性能。结果表明,催化剂在空速20 000 h-1表现出较高的氮氧化物消除活性,NO转化率>90%,在水蒸汽和SO2存在条件下,催化剂具有较好的催化活性和稳定性。

关 键 词:催化化学  氮氧化物  选择催化还原      磷酸盐  

Ce-P-O catalyst for selective catalytic reduction of NO with NH3
LI Fei , Yang Xiangguang , WANG Yongdi , HOU Xin , PANG Juling , DENG Tuo.Ce-P-O catalyst for selective catalytic reduction of NO with NH3[J].Industrial Catalysis,2012,20(2):10-15.
Authors:LI Fei  Yang Xiangguang  WANG Yongdi  HOU Xin  PANG Juling  DENG Tuo
Affiliation:1.Northwest Research Institute of Chemical Industry, Xi’an 710600, Shaanxi, China;2.Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, Jilin, China
Abstract:Ce-P-O catalyst for the selective catalytic reduction of NO with NH3 was prepared and charac- terized by XRD, SEM, N2-adsorption, HE-TPR and NH3-TPD. The catalyst properties were investigated. The results showed that Ce-P-O catalyst calcined at 500 ~C exhibited higher activities for the removal of NOx, NO conversion 〉 90% under the reaction condition of space velocity 20 000 h - 1 and NO conversion were not significantly affected in the presence of H20 and SO2.
Keywords:catalytic chemistry  nitrogen oxides  selective catalytic reduction  ammonia  cerium  phosphate
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