中文摘要：

为提高镍基催化剂的干法重整活性,采用蒸发诱导自组装法制备了PA0.01,PA0.02,PA0.03和PA0.05系列Al2O3载体,并以水热沉积法制备了相应的4种催化剂,在800℃考察了其在CO2-CH4重整反应中的催化性能,并对载体和催化剂进行了表征分析.结果表明,P123与异丙醇铝（ISO-AL）摩尔比为0.02时,所制备的PA0.02载体比表面积最大,为320.12 m^2/g,相应PAC0.02催化剂比表面积高达280.15 m^2/g,可为反应提供较多的活性位,PAC0.02催化剂的CH4和CO2转化率最高,分别达到91.92%和94.69%;该催化剂具有较多的Ni Al2O4尖晶石结构,其还原峰面积占总还原峰面积的82%,还原后可获得更多的稳定的活性组分Ni.PAC0.02稳定性好,反应154 h后CH4转化率才降至50%以下.

英文摘要：

To improve the catalytic performance of nickel-based catalysts for carbon dioxide reforming of methane, four supports, PA0.01, PA0.02, PA0.03 and PA0.05, were prepared by evaporation-induced self-assembly strategy, and the same contents of Ni of the four corresponding catalysts were prepared by hydrothermal-precipitation method. The catalytic performance of these samples for CO2-CH4 reforming was tested at 800℃. The supports and catalysts were characterized with ICP-AES, Na absorption-desorption method, NH3-TPD, XRD, H2-TPR, TG-DTG and TEM techniques. It was shown that the specific surface area of PA0.02 was large （ 320. 12 m^2/g ） , and the corresponding PAC0. 02 catalyst with area of 280. 15 mZ/g, which could provide more active sites and improve the activity of samples （the conversion of CHa and CO2 of PAC0. 02 was up to 91.92% and 94. 69% ） ; the reduction peak area of NiA1204 in PAC0.02 catalyst was higher than 80% of the total reduction area, indicating that the catalyst had better stability（ the conversion of CH4 for PAC0.02 was about 50% after 154 h experiment）.