锯木屑蒸汽爆破预处理制备糠醛的研究

›› 2012, Vol. 32 ›› Issue (1): 99-103.

• 研究报告 • Previous Articles Next Articles

Preparation of Furfural from Sawdust with Steam-explosion Pretreatment

YU Xian-chun¹, WU Ying¹, YI Xue-jing¹, GONG Zheng-wu²

1. Key Lab of Chinese Herbal Medicine Multipurpose Use,Basis Department,Yue Yang Vocational & Technical College, Yueyang 414000, China;2. College of Material and Engineering, Central South University of Forestry and Technology, Changsha 410004, China

Received:2011-05-03 Revised:1900-01-01 Online:2012-02-28 Published:2012-02-28

Abstract

Abstract: Furfural was made from sawdust by steam explosion pretreatment and acid hydrolysis in present study. The impacts of temperature, steam pressure, reaction time of steam explosion pretreatment and the ratio of liquid-sawdust on the furfural yield were discussed. The pretreatment was optimized by response surface methodology. The results indicated that the steam explosion pretreatment effectively promoted the degradation of sawdust and resulted in the increase of furfural yield. The furfural yield was 79.13% when the sawdust with 3∶1(mL∶g) liquid/solid ratio was treated by steam explosion at 216 ℃ and 1.8 MPa explosion pressure for 6 min. Compared with the sample without steam explosion pretreatment, only 55.35% furfural yield was obtained.

Key words: sawdust, furfural yield, steam explosion pretreatment

CLC Number:

TQ351

YU Xian-chun;WU Ying;YI Xue-jing;GONG Zheng-wu. Preparation of Furfural from Sawdust with Steam-explosion Pretreatment[J]. , 2012, 32(1): 99-103.

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Preparation of Furfural from Sawdust with Steam-explosion Pretreatment

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