无定形硅铝-Al_2O_3复合载体制备重整原料预加氢催化剂  

Preparation of reforming raw material pre-hydrogenation catalysts from amorphous silica-alumina and Al_2O_3 support

作　　者：王宗宝 马好文 王廷海 吕龙刚 康宏敏 郑云弟 

机构地区：[1]中国石油石油化工研究院兰州化工研究中心,甘肃兰州730060

出　　处：《工业催化》2012年第2期29-32,共4页Industrial Catalysis

摘　　要：采用无定形硅铝对载体进行改性,并制备了一系列催化剂,用N2物理吸附、XRD和NH3-TPD等手段研究了无定形硅铝组分对催化剂表面物性的影响,并对催化剂进行活性评价。结果表明,添加无定形硅铝组分提高了载体的比表面积,增强了载体的表面酸性。催化剂活性得到较大改善,入口温度降低35℃,产品硫合格。The catalysts prepared using the carrier modified by amorphous silica-alumina The influence of amorphous silica-alumina on the surface physical properties of the catalysts were evaluated. was investigated by means of N2 adsorption, XRD and NH3-TPD. The results showed that the addition of amorphous silica- alumina enhanced the surface area and acidity of the carrier. The catalytic activity was greatly improved after the introduction of amorphous silica-alumina. The inlet temperature was reduced by 35 ~C when the sulfur content of the product was qualified.

关 键 词：催化剂工程 催化重整预加氢 无定形硅铝 表面酸性 

分 类 号：TQ426.65[化学工程] TE624.95[石油与天然气工程—油气加工工程]