Formation of coke during the esterification of pyrolysis bio-oil

被引：14

作者：

Wu, Liping ^{[1
]}

Hu, Xun ^{[1
]}

Wang, Shuai ^{[1
]}

Mourant, Daniel ^{[1
]}

Song, Yao ^{[1
]}

Li, Tingting ^{[1
]}

Li, Chun-Zhu ^{[1
]}

机构：

[1] Curtin Univ Technol, Fuels & Energy Technol Inst, GPO Box U1987, Perth, WA 6845, Australia

来源：

RSC ADVANCES | 2016年 / 6卷 / 89期

关键词：

ACID-CATALYZED CONVERSION; SOLID-ACID; CARBOXYLIC-ACIDS; METHANOL; STEAM; LIQUIDS;

D O I：

10.1039/c6ra14939a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Coke formation during the esterification of bio-oil in alcohols and water over a solid acid catalyst Amberlyst 70 has been investigated. The amounts of coke formed from the acid-treatment of bio-oil in various alcohols are half of that in water. Alcohols stabilize the major components in bio-oil such as sugars, furans, aldehydes, carboxylic acids and phenolics. On the other hand, water promotes the polymerisation of these components. In addition, experimental parameters also affect the coke formation during acid-treatment of bio-oil in alcohols. The elevated reaction temperature, long residence time, and high dosage of catalyst significantly promoted coke formation. The soluble polymeric material and insoluble polymeric material was characterized with FI-IR and UV-florescence spectroscopies. The results show that the coke formed is highly aromatic. The aromatics in bio-oil have a significant contribution to the formation of coke during the esterification of bio-oil.

引用

页码：86485 / 86493

页数：9

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