Transesterification of Soybean Oil to Biodiesel over Heterogeneous Solid Base Catalyst

被引：53

作者：

Teng, Guangyuan ^{[1
]}

Gao, Lijing ^{[1
]}

Xiao, Guomin ^{[1
]}

Liu, Hu ^{[1
]}

机构：

[1] Southeast Univ, Sch Chem & Chem Engn, Nanjing 211189, Peoples R China

来源：

ENERGY & FUELS | 2009年 / 23卷 / 09期

关键词：

RAPESEED; METHANOL; ALUMINA; NAOH;

D O I：

10.1021/ef9003736

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Synthesis of biodiesel from soybean oil over solid base WOW Was investigated in this paper. In process of catalyst preparation, potassium fluoride wits used as alkaline metal salt to load onto gamma-Al2O3. Oyer this basic catalyst, transesterification reactions were carried out to prepare biodiesel using soybean oil and methanol as feedstock, According to experiments, the best reaction conditions were gotton as followed;, load ratio was 72.68% (by weight), molar ratio was 12:1 (methanol/oil), reaction temperature was 338 K, mass of catalyst was 2% of oil (by weight),and reaction time was 3 h, Yield of biodiesel e exceeds 99%. With X-ray diffraction (XRD) and DSC-TGA characterization, it was proved that new crystal phase synthesized by calcinations showed its favorable effect to the transesterification reaction.

引用

页码：4630 / 4634

页数：5

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