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题名: Effects of Acid-Base Properties of Oxide Catalysts on Transformation of 1,2-Propylene Glycol
作者: Yu Zhengxi1, 2, 3;  Xu Lei1, 2;  Zhang Xinzhi1, 2;  Liu Zhongmin1, 2
关键词: solid acid ;  solid base ;  aluminum oxide ;  magnesium oxide ;  calcium oxide ;  1,2-propylene glycol ;  propylene oxide
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2010-04-01
DOI: 10.3724/SP.J.1088.2010.91014
卷: 31, 期:4, 页:441-446
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: The structure and surface acid-base properties of Al(2)O(3)-, CaO-, MgO-, and KNO(3)-modified MgO catalysts were characterized by X-ray diffraction, thermogravimetry, NH(3) temperature-programmed desorption, and CO(2) temperature-programmed desorption. The catalysts were applied to catalyze the gas-phase transformation of propylene glycol in a fixed-bed reactor. The results indicated that the catalytic performance of these catalysts significantly depended on the surface acid-base properties. Main products detected were propionaldehyde and acetone on Al(2)O(3), acetol on MgO, and acetone and allyl alcohol on CaO. However, the MgO catalyst modified with KNO(3) remarkably enhanced the selectivity for propylene oxide. A six-pathway reaction mechanism was proposed to describe the catalytic transformation of propylene glycol based on the acid-base properties and the reaction results of the catalysts.
关键词[WOS]: PROPYLENE-GLYCOL ;  GLYCEROL HYDROGENOLYSIS ;  PERFORMANCE ;  1,2-PROPANEDIOL ;  HYDROGENATION ;  CONVERSION ;  ALUMINA ;  RU/C
语种: 英语
WOS记录号: WOS:000278046900014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141773
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Engn Lab Methanol Olefin, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Liaoning, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Yu Zhengxi,Xu Lei,Zhang Xinzhi,et al. Effects of Acid-Base Properties of Oxide Catalysts on Transformation of 1,2-Propylene Glycol[J]. CHINESE JOURNAL OF CATALYSIS,2010,31(4):441-446.
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