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Effects of Acid-Base Properties of Oxide Catalysts on Transformation of 1,2-Propylene Glycol
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 Propylene Oxide 1 2-propylene Glycol
刊名CHINESE JOURNAL OF CATALYSIS
2010-04-01
DOI10.3724/SP.J.1088.2010.91014
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
关键词[WOS]PROPYLENE-GLYCOL ; GLYCEROL HYDROGENOLYSIS ; PERFORMANCE ; 1,2-PROPANEDIOL ; HYDROGENATION ; CONVERSION ; ALUMINA ; RU/C
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.
语种英语
WOS记录号WOS:000278046900014
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141773
专题中国科学院大连化学物理研究所
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
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GB/T 7714
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.
APA Yu Zhengxi,Xu Lei,Zhang Xinzhi,&Liu Zhongmin.(2010).Effects of Acid-Base Properties of Oxide Catalysts on Transformation of 1,2-Propylene Glycol.CHINESE JOURNAL OF CATALYSIS,31(4),441-446.
MLA Yu Zhengxi,et al."Effects of Acid-Base Properties of Oxide Catalysts on Transformation of 1,2-Propylene Glycol".CHINESE JOURNAL OF CATALYSIS 31.4(2010):441-446.
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