Ni-Cu Hydrotalcite-Derived Mixed Oxides as Highly Selective and Stable Catalysts for the Synthesis of β-Branched Bioalcohols by the Guerbet Reaction

被引：24

作者：

Hernandez, Willinton Y. ^{[1
]}

De Vlieger, Kevin ^{[1
,2
]}

Van Der Voort, Pascal ^{[1
]}

Verberckmoes, An ^{[2
]}

机构：

[1] Univ Ghent, Dept Inorgan & Phys Chem, COMOC, Krijgslaan 281-S3, B-9000 Ghent, Belgium

[2] Univ Ghent, Dept Chem Engn & Tech Chem, Ind Catalysis & Adsorpt Technol INCAT, Valentin Vaerwyckweg 1, B-9000 Ghent, Belgium

来源：

CHEMSUSCHEM | 2016年 / 9卷 / 22期

关键词：

alcohols; Guerbet reaction; heterogeneous catalyis; layered double hydroxides; mixed metal oxides; METHANOL/N-PROPANOL CONDENSATION; MG-AL HYDROTALCITE; SECONDARY ALCOHOLS; COPPER; SYSTEMS; PRECURSORS; ISOBUTANOL; OXIDATION; BUTANOL; RHODIUM;

D O I：

10.1002/cssc.201601042

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of Ni-Cu hydrotalcite-derived mixed oxides have been synthesized and evaluated as heterogeneous catalysts for the dimerization of linear aliphatic alcohols to afford beta-branched Guerbet alcohols. The use of the hydrotalcite-structured catalyst precursor highly favors the catalyst stability. This Cu/Ni catalyst has an enhanced reducibility of Ni2+ species under reaction conditions, favoring the hydrogen transfer and hydrogenation capacity of the catalyst system. Catalytic results are reported for C-8, mixed C-8/C-10, and C-18 alcohol feeds, with full conversions and Guerbet product purities of 72.5-96 %.

引用

页码：3196 / 3205

页数：10

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