环境工程学报2012,Vol.6Issue(8):2720-2724,5.
CeO_x/AC催化剂NH_3选择性催化还原NO
CeOx/AC catalysts for selective catalytic reduction of NO by NH3
摘要
Abstract
Coconut shell activated carbon pretreated by different concentrations of HNO3 was used as sup- port and loaded with metal cerium to obtain SCR catalysts. The specific surface area measurement (BET) , X-ray diffraction (XRD) , scanning electron microscope (SEM) and catalytic activity experiments were carried out to study the effect of different variables such as metal dispersion, calcination temperature and support properties. The results show that catalysts pretreated by nitric acid , calcinated at 500~C and loaded with 7% of the metal cerium exhibit excellent catalytic performance. The NO conversion rate of catalyst reaches over 90% at 90%, and nearly gets to 100% when the temperature gradually increases.关键词
CeOx/选择性催化还原(SCR)/活性炭Key words
CeOx/seletive catalytic reduction(SCR)/activated carbon分类
资源环境引用本文复制引用
周愉千,刘超,宋鹏,郭家秀,尹华强,楚英豪..CeO_x/AC催化剂NH_3选择性催化还原NO[J].环境工程学报,2012,6(8):2720-2724,5.基金项目
国家自然科学基金资助项目 ()