Highly selective and low-temperature hydrothermal conversion of natural oils to fatty alcohols

被引：41

作者：

Ali, Arif ^{[1
]}

Li, Bolong ^{[1
]}

Lu, Yijian ^{[1
]}

Zhao, Chen ^{[1
]}

机构：

[1] East China Normal Univ, Sch Chem & Mol Engn, Shanghai Key Lab Green Chem & Chem Proc, Shanghai 200062, Peoples R China

来源：

GREEN CHEMISTRY | 2019年 / 21卷 / 11期

基金：

中国国家自然科学基金;

关键词：

CATALYZED HYDROGENATION; CARBOXYLIC-ACIDS; MICROALGAE OIL; DOPED CARBON; NANOPARTICLES; METHANOL; BIOMASS; ESTERS;

D O I：

10.1039/c9gc01260e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this contribution, we report a facile and green process for the quantitative transformation of natural oils, fatty esters, and fatty acids to fatty alcohols over N-modified carbon (N-C) supported RuSn catalysts in water at low temperatures (140-180 degrees C). The synthesis of the N-C support was carried out by using a one-pot process with melamine, glucose, and ZnCl2 as reactants. The presence of Sn nanoparticles, and pyridinic and pyrrolic nitrogen in the modified N-C support favoured the good dispersion of Ru nanoparticles, improved the hydrophilic properties of the catalyst for staying in the water layer, and facilitated the adsorption of the carbonyl groups. After strongly interacting with the carbonyl group of fatty acids over Sn nanoparticles and N-groups, Ru nanoparticles catalysed the further acid hydrogenation to the intermediate aldehyde, and subsequently to the target fatty alcohol at a fast rate. This provides a useful and simple method for synthesizing highly hydrothermal-stable metal supported carbon catalysts, which can facilely and selectively hydrogenate the aqueous biomass to value-added chemicals.

引用

页码：3059 / 3064

页数：6

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