Zeolite-assisted etherification of glycerol with butanol for biodiesel oxygenated additives production

被引：24

作者：

Cannilla, C. ^{[1
]}

Bonura, G. ^{[1
]}

Maisano, S. ^{[1
]}

Frusteri, L. ^{[2
]}

Migliori, M. ^{[3
]}

Giordano, G. ^{[3
]}

Todaro, S. ^{[3
]}

Frusteri, F. ^{[1
]}

机构：

[1] CNR ITAE, Ist Tecnol Avanzate Energia Nicola Giordano, Via S Lucia 5, I-98126 Messina, Italy

[2] Univ Messina, Dipartimento Ingn Elettron Chim & Ingn Ind, Contrada Dio 1, I-98166 Messina, Italy

[3] Univ Calabria, Dipartimento Ingn Ambiente & Terr & Ingn Chim, Via P Bucci, I-97036 Arcavacata Di Rende, Italy

来源：

JOURNAL OF ENERGY CHEMISTRY | 2020年 / 48卷

关键词：

CATALYTIC ETHERIFICATION; ETHERS; BUTYL;

D O I：

10.1016/j.jechem.2020.01.002

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

This research was focused on the valorisation of glycerol, exploring the feasibility of an efficient route for oxygenated additives production based on its etherification with bio-butanol. A home-made BEA zeolite sample with a tuneable acidity has been proposed as the catalytic system, being tested in a stirred reactor under different etherification conditions. Although a reaction temperature as high as 200 °C resulted to be beneficial in terms of glycerol conversion (~90%), only by operating at milder conditions the product selectivity to glycerol-ethers can be better controlled, in order to obtain a bio-fuel complying with the requirements for mixing with fossil diesel or biodiesel, without any need of purification from large amount of by-products. A comprehensive identification of all the compounds formed during the reaction was performed by a GC–MS analysis, on the basis of the complex network of consecutive and parallel reaction paths leading not only to the desired ethers, but also to many side products not detected in similar acid-catalyzed reactions in liquid phase and not available in the most used mass-spectra libraries. © 2020

引用

页码：136 / 144

页数：9

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