基于PY-GC/MS的生物质组分间相互作用的热解实验

doi:10.16085/j.issn.1000-6613.2016.12.021

化工进展 ›› 2016, Vol. 35 ›› Issue (12): 3879-3884.DOI: 10.16085/j.issn.1000-6613.2016.12.021

基于PY-GC/MS的生物质组分间相互作用的热解实验

朱玲莉, 仲兆平, 王佳, 王恒, 顾佳雯

东南大学能源热转换及其过程测控教育部重点实验室, 江苏南京 210096

收稿日期:2016-04-25 修回日期:2016-07-14 出版日期:2016-12-05 发布日期:2016-12-05
通讯作者: 仲兆平,教授。E-mail:zzhong@seu.edu.cn。
作者简介:朱玲莉(1990-),女,硕士研究生。E-mail:313908482@qq.com。
基金资助:
国家自然科学基金（51276040，U1361115）及国家重点基础研究发展计划（2013CB228106）项目。

The interactions among the pyrolysis of biomass components based on the PY-GC/MS

ZHU Lingli, ZHONG Zhaoping, WANG Jia, WANG Heng, GU Jiawen

Key Laboratory of Energy Thermal Conversion and Control of the Ministry of Education, Southeast University, Nanjing 210096, Jiangsu, China

Received:2016-04-25 Revised:2016-07-14 Online:2016-12-05 Published:2016-12-05

摘要/Abstract

摘要： 为研究生物质三组分间热裂解过程中的相互作用，利用热裂解-气相色谱/质谱联用仪（PY-GC/MS）联用的方法，对纤维素、木聚糖（半纤维素的模化物）和木质素进行单独热裂解及两两组分混合热裂解实验。单组分实验结果表明，在热解温度600℃、热解时间10s条件下纤维素的热解产物主要以左旋葡聚糖为主，木聚糖以乙酸和糠醛为主，而木质素主要以酚类物质为主。组分混合热裂解实验结果表明，纤维素促进了木聚糖热裂解生成更多的乙酸和糠醛，而木聚糖和木质素对纤维素热解生成左旋葡聚糖具有强烈的抑制作用；纤维素和木聚糖的存在大大促进了木质素热裂解生成酚类物质，而木质素抑制了木聚糖热裂解生成乙酸和糠醛。此外，研究还发现混合组分热解的相互作用受到热解温度和停留时间的影响。

关键词: 生物质, 热解, 热烈解-气相色谱/质谱联用仪, 相互作用

Abstract: An analytical pyrolyzer coupled with gas chromatography/mass spectrometry (PY-GC/MS) had been proposed to investigate the interactions among the pyrolysis of biomass components. Pyrolysis experiments of cellulose,xylan(molding compound of hemicellulose),lignin,and two-component mixing components were carried out. Results showed that the primary pyrolysis product of cellulose at 600℃ and 10s was laevoglucose. The primary pyrolysis products of xylan were furfural and acetic acid,while that of lignin were phenols. In addition,the cellulose promoted the pyrolysis of xylan to yeild more acetic acid and furfural. The xylan and lignin strongly inhibited the production of levoglucose from cellulose pyrolysis. The presence of cellulose and xylan strongly contributed to the generation of phenols from lignin pyrolysis,whille lignin inhibited the pyrolysis of xylan to produce acetic acid and furfural. Experiments also discovered that the interactions among the mixing components were affected by temperature and residence time.

Key words: biomass, pyrolysis, PY-GC/MS, interactions

中图分类号:

朱玲莉, 仲兆平, 王佳, 王恒, 顾佳雯. 基于PY-GC/MS的生物质组分间相互作用的热解实验[J]. 化工进展, 2016, 35(12): 3879-3884.

ZHU Lingli, ZHONG Zhaoping, WANG Jia, WANG Heng, GU Jiawen. The interactions among the pyrolysis of biomass components based on the PY-GC/MS[J]. Chemical Industry and Engineering Progree, 2016, 35(12): 3879-3884.

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基于PY-GC/MS的生物质组分间相互作用的热解实验

The interactions among the pyrolysis of biomass components based on the PY-GC/MS

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