Aqueous miscible organic layered double hydroxides as catalyst precursors for biodiesel synthesis

被引：12

作者：

Chen, Chunping ^{[1
]}

Greenwell, Maxwell ^{[1
]}

Buffet, Jean-Charles ^{[1
]}

O'Hare, Dermot ^{[1
]}

机构：

[1] Univ Oxford, Dept Chem, Chem Res Lab, 12 Mansfield Rd, Oxford OX1 3TA, England

来源：

GREEN CHEMISTRY | 2020年 / 22卷 / 10期

关键词：

HETEROGENEOUS CATALYSTS; RAPESEED OIL; SOYBEAN OIL; TRANSESTERIFICATION; HYDROTALCITE; SUNFLOWER; SURFACE;

D O I：

10.1039/d0gc00571a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Potassium salt prepared AMO-MgxAl-LDH(K) (x = 2-5) have been studied as catalyst precursors for biodiesel synthesis. Calcined potassium salt prepared [AMO-Mg0.75Al0.25(OH)(2)](CO3)(0.17)K-0.01 {AMO-Mg3Al-LDH(K)} with high surface area (366.1 m(2) g(-1)) and Lewis basicity density (2.87 mu mol m(-2)) catalyses the transesterification of sunflower oil with methanol to yield fatty acid methyl esters (FAMEs) after 300 minutes (99%), a much higher performance than conventional LDHs.

引用

页码：3117 / 3121

页数：5

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