摘要
Fe—Mo／ZSM5具有较好的NOx催化活性，比较了不同粉末的制备方法、催化剂助剂和载体等因素对蜂窝状催化剂催化还原性能的影响．结果表明，气相离子交换法制备的蜂窝状催化剂的催化活性最好，在350℃时NO，转化率已达到90％以上．在高温400℃～600℃范围，催化剂对NOx的催化还原转化率保持在98％．K＋离子的加入明显提高了Fe—Mo／ZSM-5催化剂活性，可能调变了催化剂的袁面性质，催化剂粉末在载体上的浸涂次数为2次时效果最佳．
Fe-Mo/ZSM-5 has a good NOx catalytic activity. In this basis, we compared the preparation methods of catalyst powder, catalyst additives, carriers and other factors on the honeycomb catalyst reduction. The results show that the catalytic activity prepared monolithic catalysts by gas phase ion exchange method is the best, at 350℃, the catalytic activity can be reach more than 90%. In high temperature（350 ℃-600℃）catalytic activity remained at 100%. The addition of K＋ catalyst additives help increase powder catalytic activity. Powder catalyst impregnated on the carrier and roasting 2 times is the best.
出处
《煤炭转化》
CAS
CSCD
北大核心
2011年第1期62-64,77,共4页
Coal Conversion
基金
山西省科技攻关项目(20100321023)
太原市科技创新计划“绿色转型”项目(0704017)
