毛竹酶解/温和酸水解木质素的快速热解研究

娄瑞; 武书彬; 董浩亮; 吕高金

毛竹酶解/温和酸水解木质素的快速热解研究

1.
陕西科技大学陕西省造纸技术及特种纸品开发重点实验室, 陕西西安 710021;
2.
华南理工大学制浆造纸国家重点实验室, 广东广州 510640;
3.
齐鲁工业大学制浆造纸科学与技术教育部重点实验室, 山东济南 250353

基金项目: 教育部博士点基金(20136125120003); 国家重点实验室开放基金(201332); 教育部重点实验室开放基金(KF201200); 博士启动基金(BJ11-24).

详细信息

通讯作者:
娄瑞,Tel:029-86132696,E-mail:lourui@sust.edu.cn.

中图分类号: TK6
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- 被引次数: 0
出版历程
- 收稿日期: 2014-07-31
- 修回日期: 2014-09-26
- 刊出日期: 2015-01-30

Fast pyrolysis of enzymatic/mild acidolysis lignin from moso bamboo

1.
Shaanxi Province Key Laboratory of Papermaking Technology and Specialty Paper, Shaanxi University of Science and Technology, Xi’an 710021, China;
2.
State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China;
3.
Key Laboratory of Pulp and Paper Science & Technology of Ministry of Education, Qilu University of Technology, Jinan 250353, China

摘要

摘要: 采用热裂解-气相色谱/质谱仪联用技术,研究毛竹酶解/温和酸水解木质素(简称EMAL)的热解特性和热解产物的分布与形成规律.以温度为重要因素,研究其对木质素快速热裂解产物的影响,并通过主要的热解产物推断热解反应途径.研究结果表明,EMAL的热解产物主要是2,3-二氢苯并呋喃、酚类、脂类和少量乙酸.热解温度对热解产物组分的相对含量有显著影响,250~400 ℃时,产物主要是2,3-二氢苯并呋喃,320 ℃时其相对含量最高,达到66.26%;400~800 ℃时,热解产物主要是酚类,600 ℃时其相对含量最高,达到62.58%;800 ℃时出现了少量的乙酸.
- 木质素 /
- 热裂解 /
- 酚类化合物 /
- 毛竹 /
- 热解气质联用
Abstract: Pyrolysis characteristic of enzymatic/mild acidolysis lignin (EMAL) from moso bamboo was investigated using fast pyrolysis technology coupled with gas chromatography/mass spectrometry (Py-GC/MS). Pyrolysis mechanism and formation and distribution of pyrolysis products were studied. Pyrolysis temperature, as a vital factor, affects on lignin pyrolysis including its products and reaction pathway. The results show that pyrolysis products derived from EMAL pyrolysis are mainly heterocyclic (2, 3-dihydrobenzofuran), phenols, esters, and a few amount of acetic acid. Pyrolysis temperature has a distinct impact on the amount of pyrolysis products. At low temperature range (250~400 ℃), pyrolysis products are almost 2, 3-dihydrobenzofuran and its highest content is 66.26% at 320 ℃. At high temperature range (400~800 ℃), a most of pyrolysis products are phenols reaching the highest level of 62.58% at 600 ℃, and a few amount of acetic acid only occurs at 800 ℃.
- lignin /
- pyrolysis /
- phenols /
- moso bamboo /
- Py-GC/MS

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参考文献(22)

孙勇, 姜永成, 王应宽, 郭君. 美国生物质能源资源分布与利用[J]. 世界农业, 2013, 10: 4-14.(SUN Yong, JIANG Yong-cheng, WANG Ying-kuan, GUO Jun. The distribution and utilization of biomass energy resources[J]. World Agric, 2013, 10: 4-14.)

谷双, 路长通, 陈纪忠. 水洗及酸洗对毛竹热解产物的影响[J]. 浙江大学学报(自然科学版), 2013, 7(47): 1313-1317.(GU Shuang, LU Chang-tong, CHEN Ji-zhong. Effect of water and acid leaching on pyrolysis products of phyllostachys pubescens[J]. J Zhejiang Univ (Nat Sci Ed), 2013, 7(47): 1313-1317.)

WANG S R, WANG K G, LIU Q. Comparison of the pyrolysis behavior of lignins from different tree species[J]. Biotechnol Adv, 2009, 27(5): 562-567.

孔晓英. 麦草、蔗渣的热化学裂解特性与液化机理的基础研究[D]. 广州: 华南理工大学, 2002.(KONG Xiao-ying. Basic research on thermochemical pyrolysis characteristics and liquefaction mechanism of wheat straw and bagasse[D]. Guangzhou: South China University of Technology, 2002.)

谭洪, 王树荣, 骆仲泱, 岑可法. 生物质三组分热裂解行为的对比研究[J]. 燃料化学学报, 2006, 34(1): 61-65.(TAN Hong, WANG Shu-rong, LUO Zhong-yang, CEN Ke-fa. Pyrolysis behavior of cellulose, xylan and ligin[J]. J Fuel Chem Technol, 2006, 34(1): 61-65.)

苗霞, 罗嘉, 李桂英, 胡常伟. 毛竹在氢气中的催化热解研究[J]. 化学研究与应用, 2007, 19(5): 507-512.(MIAO Xia, LUO Jia, LI Gui-ying, HU Chang-wei. Catalytic pyrolysis of pubescens under H₂ flow[J]. Chem Res Appl, 2007, 19(5): 507-512.)

杜瑛. 毛竹的主要成分分析及催化热解研究[D]. 成都: 四川大学, 2005.(DU Ying. Study on tne analysis of main components and catalytic pyrolysis of pubescens[D]. Chengdu: Sichuan University, 2005.)

BU Q, LEI H, REN S, WANG L, HOLLADAY J, ZHANG Q, TANG J, RUAN R. Phenol and phenolics from lignocellulosic biomass by catalytic microwave pyrolysis[J]. Bioresour Technol, 2011, 102(13): 7004-7007.

UCHIMIYA M, WARTELLE L H, KLASSON K T, LIMA I M. Influence of pyrolysis temperature on biochar property and function as a heavy metal sorbent in soil[J]. J Agric Food Chem, 2011, 59(6): 2501-2510.

曹俊, 肖刚, 许啸, 金保昇. 木质素热解/炭化官能团演变与焦炭形成[J]. 东南大学学报(自然科学版), 2012, 42(1): 83-87.(CAO Jun, XIAO Gang, XU Xiao, JIN Bao-sheng. Functional groups evolvement and charcoal[J]. J Southeast Univ (Nat Sci Ed), 2012, 42(1): 83-87.)

娄瑞, 武书彬, 杨卿, 吕高金. 草本类木素的化学结构与热化学性质[J]. 华南理工大学学报(自然科学版), 2010, 38(8): 1-6.(LOU Rui, WU Shu-bin, YANG Qing, LV Gao-jin. Chemical structure and thermochemical properties of lignin from herbaceous plant [J]. J South Chin Univ Technol (Nat Sci Ed), 2010, 38(8): 1-6.)

XIAO L P, SHI Z J, XU F, SUN R C. Hydrothermal carbonization of lignocellulosic biomass[J]. Bioresour Technol, 2012, 118: 619-623.

冉景煜, 曾艳, 张力, 蒲舸, 唐强. 几种典型农作物生物质的热解及动力学特性[J]. 重庆大学学报(自然科学版), 2009, 32(1): 76-81.(RAN Jing-yu, ZENG Yan, ZHANG Li, PU Ge, TANG Qang. Pyrolysis and kinetics characteristics of typical crop biomass[J]. J Chongqing Univ (Nat Sci Ed), 2009, 32(1): 76-81.)

FAHMI R, BRIDGWATER A V, THAIN S C. Prediction of Klason lignin and lignin thermal degradation products by Py-GC/MS in a collection of Lolium and Festuca grasses[J]. J Anal Appl Pyrolysis, 2007, 80(1): 16-23.

左宋林, 于佳, 车颂伟. 热解温度对酸沉淀工业木质素快速热解液体产物的研究[J]. 燃料化学学报, 2008, 36(2): 144-148.(ZUO Song-lin, YU Jia, CHE Song-wei. Effect of pyrolysis temperature on pyrolysate during fast pyrolysis of industrial lignin made by acid precipitation[J]. J Fuel Chem Technol, 2008, 36(2): 144-148.)

FIERRO V, TORNÉ-FERNAÀNDEZ V, MONTANÉ D, CELZARD A. Study of the decomposition of kraft lignin impregnated with orthophosphoric acid [J]. Thermochemical Acta, 2005, 433(1/2): 142-148.

LI B S, LV W, ZHANG Q, WANG T J, MA L L. Pyrolysis and catalytic pyrolysis of industrial lignins by TG-FTIR: Kinetics and products[J]. J Anal Appl Pyrolysis, 2014, 108: 295-300.

王少光, 武书彬, 郭秀强, 郭伊丽. 玉米秸秆木素的化学结构及热解特性[J]. 华南理工大学学报(自然科学版), 2006, 34(3): 39-42.(WANG Shao-guang, WU Shu-bin, GUO Xiu-qiang, GUO Yi-li. Chemical structure and pyrolysis properties of cornstalk lignin[J]. J South Chin Univ Technol (Nat Sci Ed), 2006, 34(3): 39-42.)

LOU R, WU S B, LV G J. Effect of conditions on fast pyrolysis of bamboo lignin[J]. J Anal Appl Pyrolysis, 2010, 89(2): 191-196.

娄瑞, 武书彬, 谭扬, 赵增立. 毛竹酶解/温和酸解木素的热解特性[J]. 南京理工大学学报(自然科学版), 2009, 33(6): 825-828.(LOU Rui, WU Shu-bin, TAN Yang, ZHAO Zeng-li. Pyrolysis characteristics of bamboo enzymatic/mild acidolysis lignin[J]. J Nanjing Univ Technol (Nat Sci Ed), 2009, 33(6): 825-828.)

石淑兰, 何福望. 制浆造纸分析与检测[M]. 北京: 中国轻工业出版社, 2003.(SHI Shu-lan, HE Fu-wang. Pulp and paper analysis and testing[M]. Beijing: China Light Industry Press, 2003.)

陆强, 朱锡锋, 李文志, 张颖, 陈登宇. 生物质快速热解产物在线催化提质研究[J]. 科学通报, 2009, 54(8): 1139-1146.(LU Qiang, ZHU Xi-feng, LI Wen-zhi, ZHANG Ying, CHEN Deng-yu. On-line catalytic upgrading of biomass fast pyrolysis products[J]. Sci Bull, 2009, 54(8): 1139-1146.)

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