Fast pyrolysis of cassava rhizome in the presence of catalysts

被引：249

作者：

Pattiya, Adisak ^{[1
]}

Titiloye, James O. ^{[1
]}

Bridgwater, A. V. ^{[1
]}

机构：

[1] Aston Univ, SEAS, Bioenergy Res Grp, Birmingham B4 7ET, W Midlands, England

来源：

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS | 2008年 / 81卷 / 01期

基金：

英国工程与自然科学研究理事会;

关键词：

cassava rhizome; analytical pyrolysis; catalysts;

D O I：

10.1016/j.jaap.2007.09.002

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Cassava rhizome was catalytically pyrolysed at 500 degrees C using analytical pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) in order to investigate the effect of catalysts on bio-oil properties. The catalysts studied were zeolite ZSM-5, two aluminosilicate mesoporous materials Al-MCM-41 and Al-MSU-F, and a proprietary commercial catalyst alumina-stabilised ceria MI-575. The influence of catalysts on pyrolysis products was observed through the yields of aromatic hydrocarbons, phenols, lignin-derived compounds, carbonyls, methanol and acetic acid. Results showed that all the catalysts produced aromatic hydrocarbons and reduced oxygenated lignin derivatives, thus indicating an improvement of bio-oil heating value and viscosity. Among the catalysts, ZSM-5 was the most active to all the changes in pyrolysis products. In addition, all the catalysts with the exception of MI-575 enhanced the formation of acetic acid. This is clearly a disadvantage with respect to the level of pH in the liquid bio-fuel. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：72 / 79

页数：8

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