Waste biomass to liquids: Low temperature conversion of sugarcane bagasse to bio-oil. The effect of combined hydrolysis treatments

被引：29

作者：

Cunha, Josilaine A. ^{[4
]}

Pereira, Marcelo M. ^{[4
]}

Valente, Ligia M. M. ^{[4
]}

Ramirez de la Piscina, Pilar ^{[1
,2
]}

Homs, Narcis ^{[1
,2
,3
]}

Santos, Margareth Rose L. ^{[4
]}

机构：

[1] Univ Barcelona, Dept Quim Inorgan, Barcelona 08028, Spain

[2] Univ Barcelona, Inst Nanociencia & Nanotecnol, Barcelona 08028, Spain

[3] Catalonia Inst Energy Res IREC, Barcelona 08930, Spain

[4] Univ Fed Rio de Janeiro, Ctr Tecnol, Inst Quim, Dept Quim Inorgan, BR-21949900 Rio De Janeiro, Brazil

来源：

BIOMASS & BIOENERGY | 2011年 / 35卷 / 05期

关键词：

Biomass; Sugarcane bagasse; Pyrolysis; Bio-oil; LTC-pyrolysis; Biofuels; LIGNIN-CARBOHYDRATE COMPLEXES; ETHANOL-PRODUCTION; FAST PYROLYSIS; LIGNOCELLULOSIC BIOMASS; RICE HUSKS; CELLULOSE; HEMICELLULOSE; PRETREATMENT; CHEMISTRY; PRODUCTS;

D O I：

10.1016/j.biombioe.2011.02.019

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

This article describes the influence of different sugarcane bagasse hydrolysis pretreatments on modifications to biomass feedstock and the characteristics of the resultant pyrolysis products. Sugarcane bagasse was pretreated with acid, alkaline or sequential acid/alkaline solutions and pretreated samples were then subjected to a low temperature conversion (LTC) process under He or O(2)/He atmospheres at 350-450 degrees C. Both pretreated samples and sugarcane bagasse in natura were analyzed by determination of their chemical composition and by thermogravimetric, FTIR and SEM analyses. The gases yielded during LTC were monitored on-line by quadrupole mass spectrometry, and the liquid fractions obtained were characterized by FTIR and (1)H and (13)C NMR. Irrespective of the sugarcane bagasse pretreatment applied, the main bio-oil component obtained was levoglucosan. However, the LTC yield of bio-oil depended on the hydrolysis treatment of the biomass and decreased in the presence of O(2). The acid hydrolysis pretreatment increased the LTC bio-oil yield notably. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：2106 / 2116

页数：11

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