Porous SiO2 Nanospheres Modified with ZrO2 and Their Use in One-Pot Catalytic Processes to Obtain Value-Added Chemicals from Furfural

被引：13
|
作者：
Maderuelo-Solera, Rocio [1 ]
Richter, Stefan [2 ]
Jimenez-Gomez, Carmen P. [1 ]
Garcia-Sancho, Cristina [1 ]
Garcia-Mateos, Francisco J. [3 ]
Rosas, Juana M. [3 ]
Moreno-Tost, Ramon [1 ]
Cecilia, Juan A. [1 ]
Maireles-Torres, Pedro [1 ]
机构：
[1] Univ Malaga, Fac Ciencias, Dept Quim Inorgan Cristal & Mineral, Malaga 29071, Spain
[2] Ulm Univ, Inst Organ Chem Macromol Chem 3, D-89081 Ulm, Germany
[3] Univ Malaga, Fac Ciencias, Dept Ingn Quim, Malaga 29071, Spain
来源：
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2021年 / 60卷 / 51期
关键词：
METAL-ORGANIC FRAMEWORKS; AL-BETA ZEOLITE; TRANSFER HYDROGENATION; LEWIS-ACID; GAMMA-VALEROLACTONE; PLATFORM MOLECULE; VERLEY REDUCTION; BIOMASS; CONVERSION; TRANSFORMATION;
D O I：
10.1021/acs.iecr.1c02848
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Porous SiO2 nanospheres were modified with different loadings of ZrO2 to obtain catalysts with a Si/Zr molar ratio from 2.5 to 30. These materials were characterized by X-ray diffraction, transmission and scanning electron microscopies, N-2 adsorption-desorption at -196 degrees C, X-ray photoelectron spectroscopy and pyridine and 2-6-dimethylpyridine thermoprogrammed desorption. The characterization of these catalysts has revealed that a high proportion of Zr favors the formation of Lewis acid sites, which are implied in catalytic transfer hydrogenation processes, whereas the low Bronsted acidity promotes a dehydration reaction, being possible to give rise to a large variety of products from furfural through consecutive reactions, such as furfuryl alcohol, i-propyl furfuryl ether, i-propyl levulinate, and gamma-valerolactone, in a range of temperature of 110-170 degrees C and 1-6 h of reaction.
引用
收藏
页码：18791 / 18805
页数：15
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