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Influence of Steam Explosion on Physical-Chemical Characteristic of Corn Stalk
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Tian-Bao REN1, 2, Gui-Zhuang XU2, Xiao-Qin MA1, Zheng-Dao YU2, An-Dong SONG2, Bai-Liang ZHANG2
Chinese Journal of High Pressure Physics | 2012, 26(2) : 227 - 234
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Chinese Journal of High Pressure Physics | 2012, 26(2): 227-234
Influence of Steam Explosion on Physical-Chemical Characteristic of Corn Stalk
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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
Published: 2012-04-15
Outline
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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.

steam explosion  /  corn stalk  /  physical-chemical properties  /  mechanistic mode
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 .
Year 2012 volume 26 Issue 2
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  • Receive Date:2010-12-16
  • Online Date:2026-11-05
  • Published:2012-04-15
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  • Received:2010-12-16
  • Revised:2011-08-19
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Affiliations
    1.Henan Institute of Science and Technolgy, Xinxiang 453003, China
    2.Key Laboratory of Renewable Energy of Ministry of Agriculture, Zhengzhou 450002, China
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表12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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