Separation of phthalate esters from bio-oil derived from rice husk by a basification-acidification process and column chromatography

被引：39

作者：

Zeng, Fanxin ^{[1
]}

Liu, Wujun ^{[1
]}

Jiang, Hong ^{[1
]}

Yu, Han-Qing ^{[1
]}

Zeng, Raymond J. ^{[1
]}

Guo, Qingxiang ^{[1
]}

机构：

[1] Univ Sci & Technol China, Dept Chem, Hefei, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2011年 / 102卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Bio-oil; Column chromatography; Mechanism; Phthalate esters; Precipitation; CASHEW NUT SHELL; PYROLYSIS; LIQUEFACTION; DEGRADATION; BIOMASS; GAS; CHINA; PHASE;

D O I：

10.1016/j.biortech.2010.09.024

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Solid precipitate containing phthalate esters was obtained from rice-husk-derived oil through a basification-acidification process. After separation by column chromatography, the solid precipitate was divided into two mono-component fractions, two bi-component fractions and a tetra-component fraction. The major compounds of the five fractions were all consisted of phthalate esters. Especially, phthalate esters accounted for a proportion higher than 80% in both Fractions I and II. The generation and precipitation mechanisms of phthalate esters were proposed. Phthalate esters were considered to be derived from a series of complicated chemical reactions of small molecules in the biomass pyrolysis process, and precipitated from bio-oil by catalytic hydrolysis and esterification. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：1982 / 1987

页数：6

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