不同量镍掺杂对锰氧化物选择性催化还原NO活性的影响  

Effect of doping with different amounts of Nickel on the selective catalytic reduction NO of Manganese oxides

作　　者：陈利强 孙丽娜[1,2] 朱明霞 陈丽华 历亳 胡冬慧 刘立红 袁福龙 CHEN Li-Qiang;SUN Li-Na;ZHU Ming-Xia;CHEN Li-Hua;LI Bo;HU Dong-Hui;LIU Li-Hong;YUAN Fu-Long(College of Science,Heihe College,Heihe 164300,Heilongjiang,China;School of Chemistry and Materials Science,Heilongjiang University,Harbin 150080,China)

机构地区：[1]黑河学院理学院,黑龙江黑河164300 [2]黑龙江大学化学化工与材料学院,哈尔滨150080

出　　处：《黑龙江大学工程学报》2018年第4期42-46,82,共6页Journal of Engineering of Heilongjiang University

基　　金：黑龙江省教育厅科研人才专项(18KYYWFRC01);黑龙江省自然科学青年基金资助项目(QC2018012)

摘　　要：通过XRD、H2-TPR和N2吸附-脱附等分析测试手段,研究了不同镍量掺杂对镍锰氧化物选择催化还原NO活性的影响。研究发现催化剂Ni_(0.4)Mn_(0.6)O_x的NH_3选择催化还原NO的活性最好,其可能原因是Ni/(Mn+Ni)摩尔比达到0. 4时,镍锰之间的相互协同作用最佳及适宜的氧化还原能力,而这些都有利于低温条件下NH_3催化还原NO。Nickel-Manganese oxides were studied for selective catalytic reduction of NO by XRD,H 2-TPR and N 2 adsorption-desorption.The study was found that the catalyst Ni 0.4 Mn 0.6 O x showed the best SCR activity,the reasons may be as follows:Ni 0.4 Mn 0.6 O x catalyst showed the optimal synergistic effect between nickel and manganese and appropriate redox ability,which were conducive to NH 3 under the condition of low temperature catalytic reduction of NO.

关 键 词：选择性催化还原 NO 镍锰氧化物 协同作用 

分 类 号：O643.361[理学—物理化学]