高压物理学报

蒸汽爆破对玉米秸秆理化特性的影响

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任天宝 ¹^,² , 徐桂转 ² , 马孝琴 ¹ , 于政道 ² , 宋安东 ² , 张百良 ²

高压物理学报 | 2012,26(2): 227-234

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高压物理学报 | 2012 , 26 (2) : 227 -234

蒸汽爆破对玉米秸秆理化特性的影响

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任天宝¹^,², 徐桂转², 马孝琴¹, 于政道², 宋安东², 张百良²

作者信息

^1.河南科技学院，河南新乡　453003

^2.农业部农村可再生能源重点开放实验室，河南郑州　450002

通讯作者:

张百良（1941—），男，教授，主要从事生物能源与环境工程研究与管理. E-mail：hauzblo@126.com

作者简介:

任天宝（1981—），男，博士，副教授，主要从事生物质可再生能源转化技术研究. E-mail：tianbao1016@126.com

Influence of Steam Explosion on Physical-Chemical Characteristic of Corn Stalk

Tian-Bao REN¹^,², Gui-Zhuang XU², Xiao-Qin MA¹, Zheng-Dao YU², An-Dong SONG², Bai-Liang ZHANG²

Affiliations

^1.Henan Institute of Science and Technolgy, Xinxiang 453003, China

^2.Key Laboratory of Renewable Energy of Ministry of Agriculture, Zhengzhou 450002, China

出版时间: 2012-04-15

文章导航

摘要

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在木质纤维素研究领域，对其理化特性进行深入研究有利于资源化开发利用。基于热解实验、傅立叶红外光谱、X射线衍射和扫描电镜分析方法，针对玉米秸秆蒸汽爆破后理化特性的变化进行了研究。结果表明：玉米秸秆蒸汽爆破后热解区域比对照具有更宽的温度范围，最大热分解速率显著提高，反应活化能降低16.25%；木质纤维素特征官能团所对应的特征峰吸收强度差异显著；细胞壁的层次结构破碎化，纤维素结晶度降低14.57%。在此基础上构建了蒸汽爆破过程机理模型。实验结果表明：蒸汽爆破对木质纤维素类材料理化特性的改变有显著影响。

关键词

蒸汽爆破 / 玉米秸秆 / 理化特性 / 机理模型

Abstract

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In the research fields of lignocellulosic materials, the physical-chemical properties are an important foundation for the resource conversion. Employing thermal gravimetric analysis, Fourier transform infrared spectroscopy, X-ray diffraction and scanning electron microscopy methods, physical-chemical properties changes of steam exploded corn stalk were studied. The results of analysis showed that pyrolysis region of steam exploded corn stalk had a wider temperature range compared with the control substance, during which the maximum self-heating rate increased significantly and activation energies (E) decreased by 16.25%. The characteristic peak absorption intensity was significantly different. The hierarchical structure of the cell wall was completely destroyed, and crystallinity of lignocellulose decreased by 14.57%. Based on this analysis, a mechanism model of steam explosion pretreatment was constructed. The results indicate that physical-chemical properties of corn stalk are significantly affected by steam explosion pretreatment.

Key words

steam explosion / corn stalk / physical-chemical properties / mechanistic mode

引用本文

任天宝, 徐桂转, 马孝琴, 于政道, 宋安东, 张百良. 蒸汽爆破对玉米秸秆理化特性的影响. 高压物理学报, 2012 , 26 (2) : 227 -234 .

Tian-Bao REN, Gui-Zhuang XU, Xiao-Qin MA, Zheng-Dao YU, An-Dong SONG, Bai-Liang ZHANG. Influence of Steam Explosion on Physical-Chemical Characteristic of Corn Stalk[J]. Chinese Journal of High Pressure Physics, 2012 , 26 (2) : 227 -234 .

基金

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国家自然科学基金(70741032)
国家农业科技成果转化资金资助项目(2006G B2D000173)

参考文献

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2012年第26卷第2期

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接收时间：2010-12-16
首发时间：2026-11-05
出版时间：2012-04-15

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收稿日期：2010-12-16
修回日期：2011-08-19

基金

国家自然科学基金(70741032)

国家农业科技成果转化资金资助项目(2006G B2D000173)

作者信息

^1.河南科技学院，河南新乡　453003

^2.农业部农村可再生能源重点开放实验室，河南郑州　450002

通讯作者:

张百良（1941—），男，教授，主要从事生物能源与环境工程研究与管理. E-mail：hauzblo@126.com

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https://castjournals.cast.org.cn/joweb/gywlxb/CN/1325114781358760303

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2种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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