Triacetonamine formation in a bio-oil from fast pyrolysis of sewage sludge using acetone as the absorption solvent

被引：36

作者：

Cao, Jing-Pei ^{[1
,2
]}

Zhao, Xiao-Yan ^{[1
,2
]}

Morishita, Kayoko ^{[1
]}

Li, Liu-Yun ^{[1
]}

Xiao, Xian-Bin ^{[1
]}

Obara, Ryoji ^{[1
]}

Wei, Xian-Yong ^{[2
]}

Takarada, Takayuki ^{[1
]}

机构：

[1] Gunma Univ, Dept Chem & Environm Engn, Kiryu, Gunma 3768515, Japan

[2] China Univ Min & Technol, Key Lab Coal Proc & Efficient Utilizat, Minist Educ, Xuzhou 221008, Jiangsu, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2010年 / 101卷 / 11期

关键词：

Triacetonamine; Sewage sludge; Fast pyrolysis; NH3; Acetone; TRIACETONEAMINE; CHEMISTRY; BIOMASS;

D O I：

10.1016/j.biortech.2010.01.031

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

A sewage sludge sample was pyrolyzed in a drop tube furnace at 500 degrees C and sweeping gas flow rate of 300 cm(3)/min. Triacetonamine (TAA) was detected with GC/MS as major component in the resulting bio-oil using acetone as the absorption solvent and proven to be a product from the reaction of NH3 in the bio-oil with the absorption solvent acetone. TAA yield increased with storage time and reached a level about 28.4% (% sludge fed, daf) after 175 h. Since the reaction of pure NH3 with acetone does not proceed, some species in the bio-oil must catalyze the reaction of NH3 with acetone. TAA was isolated in a high yield (27.9%, daf) and high purity (80.4%) by column chromatography with different solvents, including mixed solvents, as eluants. The study revealed the possibility of sewage sludge as potential resource of TAA. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：4242 / 4245

页数：4

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