The effects of temperature and catalysts on the pyrolysis of industrial wastes (herb residue)

被引：125

作者：

Wang, Pan ^{[1
]}

Zhan, Sihui ^{[1
]}

Yu, Hongbing ^{[1
]}

Xue, Xufang ^{[1
]}

Hong, Nan ^{[1
]}

机构：

[1] Nankai Univ, Coll Environm Sci & Engn, Tianjin 300071, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2010年 / 101卷 / 09期

基金：

中国国家自然科学基金;

关键词：

Biomass; Herb residue; Catalytic pyrolysis; FIXED-BED REACTOR; BIOMASS PYROLYSIS; PRODUCTS; ALUMINA; OILS; CORNCOB; SAMPLES; OLIVE; ACIDS; CAKE;

D O I：

10.1016/j.biortech.2009.12.082

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Pyrolysis of herb residue was investigated in a fixed-bed to determine the effects of pyrolysis temperature and catalysts (ZSM-5, Al-SBA-15 and alumina) on the products yields and the qualities of bio-oils. The results indicated that the maximum bio-oil yield of 34.26% was obtained at 450 degrees C with 10 wt.% alumina catalyst loaded. The pyrolytic oils were examined by ultimate analysis and calorific values determination, and the results indicated that the presence of all catalysts decreased the oxygen content of bio-oils and increased the calorific values. The order of the catalytic effect for upgrading the pyrolytic oil was Al2O3 > Al-SBA-15 > ZSM-5. The bio-oil with the lowest oxygen content (26.71%) and the highest calorific value (25.94 MJ kg(-1)) was obtained with 20 wt.% alumina catalyst loaded. Furthermore, the gas chromatography/mass spectrometry (GC/MS) was used in order to investigate the components of obtained pyrolytic oils. It was found that the alumina catalyst could clearly enhance the formation of aliphatics and aromatics. Crown Copyright (C) 2009 Published by Elsevier Ltd. All rights reserved.

引用

页码：3236 / 3241

页数：6

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