LDHs Instability in Esterification Reactions and Their Conversion to Catalytically Active Layered Carboxylates

被引：15

作者：

Cordeiro, Claudiney Soares ^{[1
]}

da Silva, Fabiano Rosa ^{[1
]}

Marangoni, Rafael ^{[1
]}

Wypych, Fernando ^{[1
]}

Ramos, Luiz Pereira ^{[1
]}

机构：

[1] Univ Fed Parana, Dept Chem, Res Ctr Appl Chem CEPESQ, Ctr Politecn, BR-81531980 Curitiba, Parana, Brazil

来源：

CATALYSIS LETTERS | 2012年 / 142卷 / 06期

关键词：

Layered double hydroxides; Layered carboxylates; Catalysis; Esterification; Methyl esters; ZINC HYDROXIDE NITRATE; FREE FATTY-ACIDS; HETEROGENEOUS CATALYST; BIODIESEL PRODUCTION; TRANSESTERIFICATION; HYDROTALCITE; CHLORIDE;

D O I：

10.1007/s10562-012-0819-z

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Layered double hydroxides (LDH) containing Zn/Al and Mg/Al with different counter-ions and M2+/M3+ ratios were synthesized and used as catalysts in the esterification of fatty acids with methanol. High conversion rates were obtained depending on the reaction conditions. However, LDHs were also converted in situ into layered carboxylates and this new material was responsible for the observed catalytic activity, which was preserved even after several consecutive reuse cycles. .

引用

页码：763 / 770

页数：8

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