镍负载柱撑蛭石催化甲烷与二氧化碳重整制合成气  

Oxidative CO_2 reforming of CH_4 over pillared vermiculite-supported nickel catalysts

作　　者：伊尔夏提.地里夏提 古丽米热.吐尔地 夏西木卡玛尔.买买提 刘远凤[1,2] 吾满江.艾力 

机构地区：[1]中国科学院新疆理化技术研究所,新疆乌鲁木齐830011 [2]中国科学院,北京100049

出　　处：《应用化工》2015年第4期656-658,662,共4页Applied Chemical Industry

基　　金：国家自然科学基金联合基金项目(U1403192;U1179302)

摘　　要：用浸渍法制备12Ni-PCVMT催化剂,考察了制备方法对其结构及甲烷干重整催化性能的影响。结果表明,在常压,750℃条件下,经过17 h在线评价后,12Ni-PCVMT催化剂具有高的反应活性和稳定性,具有较好的镍分散性、粒径分布更均匀,比表面积较大,从而具有更好的Ni抗烧结能力及抗积炭性。12Ni-PCVMT catalysts were prepared by the dipping method .The influence of preparation method on the physicochemical properties and catalytic performance for the dry reforming of methane was investigated.The result showed that under the condition of 750 ℃,after 17 h,the 12Ni-PCVMT catalysts gave good catalytic activities at atmospheric pressure and the catalyst had better Ni dispersion ,more sym-metrical distribution of particle diameter ,larger specific surface area ,thereby ,the catalyst possessed better resistance to Ni sintering and coking .

关 键 词：浸渍法 镍催化剂 常压 CO2重整 合成气 

分 类 号：O645[理学—物理化学]