天然气催化燃烧催化剂的研究.pdfVIP

2008 4 A pril 2008 16 4 INDU STR IAL CATALYS IS V o.l 16 N o. 4 ( ) 訾学红 戴洪兴 何 洪* ( 100022) : 介绍了天然气催化燃烧负载型贵金属催化剂的研究现状在天然气催化燃烧催化剂中 贵 金属催化剂尤其是 Pd基催化剂得到了深 的研究载体的选择和催化剂的化学修饰对催化剂的 活性和稳定性具有至关重要的作用 催化剂前驱体的选择亦对催化燃烧活性有影响在 Pd 基催化 剂中 PdO 是甲烷催化燃烧的活性中心 PdO Pd P dO 的氧化还原过程对Pd 基催化剂的活 性起着决定性的作用 : 能源化学; 天然气; 催化燃烧; 贵金属催化剂 : TK 16; TQ426. 94 : A : 1008- 1143( 2008) 04-0043-06 Studies on natural gas catalytic com bustion catalysts( ) * ZI X uehong, DA I H ongx ing, H E H ong ( Laboratory o f Cata lysis Chem istry and N anoscience Co llege of Env ironm enta l and Energy Eng ineering Be ijing U n iversity of T echno logy Be ijing 100022 Ch ina) Abstract: T he catalyt ic beh av io rs and redox properties of supported noble m eta l catalysts fo r natura l gas com bu stion w ere rev iew ed especia lly pa llad ium-based cata lysts. Cho ice of the supports and chem ica l m odif ication p layed mi portant p art in obtaining h igh ca talyt ic activ ity and stab ility. Se lection of precursors of the cata lysts h ad influ ence on the catalytic com bu stion activ ity. PdO functioned as the active sites o f pa llad ium-based catalyst in m ethane cata ly tic com bu stion and act iv ity o f the catalyst w as up to the redox process o f PdO Pd PdO. Key words: energy chem istry; natural gas; catalyt ic com bu stion; nob le m etal catalyst CLC number: TK 16; TQ426. 94 Docum ent code: A Article ID: 1008-1143( 2008) 04-0043-06 20 60 ; ( 2) ( 1 200 ) ; ( 3)