Acid exchange resins deactivation in the esterification of free fatty acids

被引：33

作者：

Tesser, Riccardo ^{[1
]}

Di Serio, Martino ^{[1
]}

Casale, Luca ^{[1
]}

Sannino, Lucio ^{[2
]}

Ledda, Marianna ^{[2
]}

Santacesaria, Elio ^{[1
]}

机构：

[1] Univ Naples Federico 2, Dept Chem, I-80126 Naples, Italy

[2] ASER Srl Co, I-84131 Salerno, Italy

来源：

CHEMICAL ENGINEERING JOURNAL | 2010年 / 161卷 / 1-2期

关键词：

Esterification; Ion-exchange resins; Deactivation; Free fatty acids; Biodiesel; BIODIESEL PRODUCTION; CATALYZED ESTERIFICATION; MASS-TRANSFER; OLEIC-ACID; KINETICS; METHANOL; TRANSESTERIFICATION; REACTOR; FUEL; OILS;

D O I：

10.1016/j.cej.2010.04.026

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this work the deactivation of an ionic exchange resin, used as catalyst for promoting the esterification of fatty acids for producing biodiesel, has been studied. At this purpose, a dynamic mathematical model, suitable to describe the performances of a continuous tubular reactor containing the catalysts mixed with stainless steel springs as inert diluent, and its evolution with time due to the catalyst deactivation, has been developed. Experimental runs, performed in a pilot plant tubular reactor on fatty acid mixtures (oleins), are reported in the paper. The catalyst deactivation has been shown to depend mainly on the poisoning effect of iron that was present as impurity in the fatty acids used as feedstock. Some information about catalyst regeneration is also given at the end of the paper. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：212 / 222

页数：11

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