[Psmim]HSO4离子液体催化液化木材及其产物表征

doi:10.3969/j.issn.0253-2417.2014.02.016

林产化学与工业 ›› 2014, Vol. 34 ›› Issue (2): 91-96.doi: 10.3969/j.issn.0253-2417.2014.02.016

[Psmim]HSO₄离子液体催化液化木材及其产物表征

郑怀玉¹, 卢泽湘¹, 范立维², 黄彪¹, 廖益强¹, 胡阳¹

1. 福建农林大学材料工程学院, 福建福州 350002;
2. 福建农林大学资源与环境学院, 福建福州 350002

收稿日期:2013-06-28 出版日期:2014-04-25 发布日期:2014-04-26
通讯作者: 黄彪，教授，博士生导师，从事林产化学加工工程的研究；E-mail：fjhuangbiao@hotmail.com。 E-mail:fjhuangbiao@hotmail.com
作者简介:郑怀玉（1988-），男，福建漳浦人，硕士，主要从事生物质液化的研究
基金资助:
国家林业公益性行业科研专项（201204801）；国家自然科学基金资助项目（31100431）；福建农林大学重点专项（06085C07F）

Liquefaction of Fir Sawdust Catalyzed by [Psmim] HSO₄ and Characterization of Liquefaction Products

ZHENG Huai-yu¹, LU Ze-xiang¹, FAN Li-wei², HUANG Biao¹, LIAO Yi-qiang¹, HU Yang¹

1. College of Material Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, China;
2. College of Resource and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China

Received:2013-06-28 Online:2014-04-25 Published:2014-04-26

摘要/Abstract

摘要： 合成了1-磺酸丙基-3-甲基咪唑硫酸氢盐离子液体（[Psmim] HSO₄），对其结构进行了傅里叶红外光谱（FT-IR）和核磁共振（¹³C NMR）表征。以正辛醇为溶剂，初步考察了该离子液体对杉木屑液化的催化性能，并对残渣、重油和轻油液化产物进行了FT-IR、X射线粉末衍射（XRD）、热重分析（TG）、气质联用（GC-MS）表征。FT-IR和 ¹³C NMR 分析结果证实了合成产物与目标离子液体结构一致。液化实验结果表明该离子液体具有较好的催化液化性能，10 g杉木屑、60 g正辛醇在催化剂用量8.6 mmol、150 ℃、60 min条件下，木屑的液化率达66.5%。液化残渣表面的木质素衍生物含量高；轻油主要由纤维素和半纤维素的液化产物组成，重油主要由木质素的液化产物组成。

关键词: 离子液体, 杉木屑, 催化, 液化

Abstract: 1-(4-sulfopropyl)-3-methylimidazolium hydrosulfate ([Psmim] HSO₄) was synthesized and its structure was characterized by FT-IR and ¹³C NMR. The catalytic performance of [Psmim] HSO₄ in liquefaction of fir sawdust was preliminarily investigated using 1-octanol as solvent. The liquefaction products were characterized by FT-IR, XRD, TG, GC-MS. The structure of the synthesized ionic liquid was confirmed by the analysis of FT-IR and ¹³C NMR characterization. The liquefaction experimental results showed that the ionic liquid exhibited a good catalytic performance for the liquefaction of sawdust.The conversion of 66.5% was achieved when 8.6 mmol of catalyst was used with application of 10 g fir sawdust and 60 g 1-octanol at the temperature of 150 ℃ for 60 min. The surface of the solid residue was covered with lignin derivatives. The light oil mainly contained the liquefied products originated from cellulose and hemicellulose, and the heavy oil consisted mainly of the degradation products from lignin.

Key words: ionic liquid, fir sawdust, catalyst, liquefaction

中图分类号:

TQ35

郑怀玉, 卢泽湘, 范立维, 黄彪, 廖益强, 胡阳. [Psmim]HSO₄离子液体催化液化木材及其产物表征[J]. 林产化学与工业, 2014, 34(2): 91-96.

ZHENG Huai-yu, LU Ze-xiang, FAN Li-wei, HUANG Biao, LIAO Yi-qiang, HU Yang. Liquefaction of Fir Sawdust Catalyzed by [Psmim] HSO₄ and Characterization of Liquefaction Products[J]. Chemistry and Industry of Forest Products, 2014, 34(2): 91-96.

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[Psmim]HSO₄离子液体催化液化木材及其产物表征

Liquefaction of Fir Sawdust Catalyzed by [Psmim] HSO₄ and Characterization of Liquefaction Products

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