Ni/NaX: A Bifunctional Efficient Catalyst for Selective Hydrogenolysis of Glycerol

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• 作者：Jing Zhao ; Weiqiang Yu ; Chen Chen ; Hong Miao ; Hong Ma and Jie Xu
• 关键词：Glycerol ; Hydrogenolysis ; Nickel ; NaX zeolite ; Acidity
• 刊名：Catalysis Letters
• 出版时间：January, 2010
• 出版年：2010
• 期刊代码：13_1011372X
• 类别：ch
• 卷：134
• 期：1-2
• 页码：184-189
• 数据来源：sp

摘要

Non-noble metal Ni/NaX catalyst was prepared and used in the hydrogenolysis of aqueous glycerol. Characterization by XRD, SAED, H₂ chemisorption, ICP and NH₃-TPD techniques disclosed that the proper strong acid sites were responsible for the high activity and selectivity. Over Ni/NaX catalyst, conversion of glycerol reached 86.6%with 94.6%selectivity to glycols including 1,2-proplyene glycol and ethylene glycol under 6.0 MPa H₂ pressure at 200 掳C after 10 h reaction. Additionally, the effects of time, temperature, and H₂ pressure were investigated in detail.