催化学报
催化學報
최화학보
CHINESE JOURNAL OF CATALYSIS
2001年
1期
95-98
,共4页
张新堂%纵秋云%毛鹏生%辛勤
張新堂%縱鞦雲%毛鵬生%辛勤
장신당%종추운%모붕생%신근
钴%钼%耐硫变换催化剂%二氧化钛%助催化剂%水煤气变换反应
鈷%鉬%耐硫變換催化劑%二氧化鈦%助催化劑%水煤氣變換反應
고%목%내류변환최화제%이양화태%조최화제%수매기변환반응
A series of sulfur-tolerant Co-Mo/MgO-Al2O3-TiO2 catalysts promoted by TiO2 were prepared by kneading method and characterized by temperature-progr ammed reduction, temperature-programmed sulfurization and in-situ infra-r ed spectroscopy. The catalyst activity for water gas shift reaction was tested u nder atmosphere in an ordinary tubular reactor. The results indicate that TiO2 promotes the activity of Co-Mo/MgO-Al2O3-TiO2 catalyst and decreases t he reducing and sulfurizing temperature by changing interaction between active c omposition and carrier. In-situ infra-red spectra show that TiO2 decreas es the saturation level of active Mo and increases the coordinate capacity of ac tive Mo with CO.
