A pretreatment method of Ni/gamma-Al2O3 catalyst for naphthalene hydrogenation

作者：Li, Feng; Yi, Xiaodong^*; Zheng, Jinbao; Jin, Hao; Fang, Weiping

来源：Catalysis Communications, 2009, 11(4): 266-271.

DOI：10.1016/j.catcom.2009.10.008

• Ni/gamma-Al2O3
• Hydrogenation
• Naphthalene
• Reduction

A pretreatment method of Ni/gamma-Al2O3 catalysts was proposed, which is that the catalyst precursor without calcination was reduced directly at the reduction temperature for a shorter time and cooled quickly. The catalysts pretreated in proper reduction conditions show high activities for naphthalene hydrogenation. When the reduction temperature is lower than 700 degrees C, the decomposition and the reduction will complete gradually with increasing the reduction temperature, which leads to the improvement of the metal dispersion and activity; while when the reduction temperature is higher than 700 degrees C, higher metal dispersion and activity can also be attained under appropriate conditions.

• 出版日期2009-12-15
• 单位厦门大学