Magnesium oxide prepared via metal-chitosan complexation method: Application as catalyst for transesterification of soybean oil and catalyst deactivation studies

被引：46

作者：

Almerindo, Gizelle I. ^{[2
]}

Probst, Luiz F. D. ^{[2
]}

Campos, Carlos E. M. ^{[3
]}

de Almeida, Rusiene M. ^{[1
]}

Meneghetti, Simoni M. P. ^{[1
]}

Meneghetti, Mario R. ^{[1
]}

Clacens, Jean-Marc ^{[4
]}

Fajardo, Humberto V. ^{[5
]}

机构：

[1] Univ Fed Alagoas, Inst Quim & Biotecnol, BR-5702970 Maceio, AL, Brazil

[2] Univ Fed Santa Catarina, Dept Quim, BR-88040900 Florianopolis, SC, Brazil

[3] Univ Fed Santa Catarina, Dept Fis, BR-88040900 Florianopolis, SC, Brazil

[4] Univ Poitiers, Lab Catalyse Chim Organ LACCO, UMR CNRS 6503, F-86022 Poitiers, France

[5] Univ Fed Ouro Preto, Dept Quim, BR-35400000 Ouro Preto, MG, Brazil

来源：

JOURNAL OF POWER SOURCES | 2011年 / 196卷 / 19期

关键词：

Magnesium oxide; Chitosan; Ethanol; Biodiesel; NANO-MGO; BIODIESEL; CONDENSATION; SUNFLOWER; SUPPORT;

D O I：

10.1016/j.jpowsour.2011.05.030

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：

A simple method to prepare magnesium oxide catalysts for biodiesel production by transesterification reaction of soybean oil with ethanol is proposed. The method was developed using a metal-chitosan complex. Compared to the commercial oxide, the proposed catalysts displayed higher surface area and basicity values, leading to higher yield in terms of fatty acid ethyl esters (biodiesel). The deactivation of the catalyst due to contact with CO2 and H2O present in the ambient air was verified. It was confirmed that the active catalytic site is a hydrogenocarbonate adsorption site. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：8057 / 8063

页数：7

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