Fast and continuous conversion of xylose to furfural in micropacked bed reactors

被引:15
|
作者
Lu, Heng-Xing [1 ]
Yang, Wei-Yao [1 ]
Shi, Ying-Xian [1 ]
Wang, Hong -Bin [1 ]
Mao, Heng [1 ]
Sang, Le [1 ]
Zhao, Zhi-Ping [1 ]
机构
[1] Beijing Inst Technol, Sch Chem & Chem Engn, Beijing 102488, Peoples R China
基金
中国国家自然科学基金;
关键词
Xylose dehydration; Micropacked bed reactor; Mixed solid acid; Water; Biomass; CARBON SOLID ACID; DEHYDRATION; CATALYST; BIOMASS; PERFORMANCE; EXTRACTION; PLATFORM; XYLAN; FUEL;
D O I
10.1016/j.ces.2022.118256
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
In this work, the continuous conversion of xylose to furfural in water aqueous based on micropacked bed reactors (lPBRs) with mixed solid acid catalyst of SO24/g-Al2O3 and HND-580 was studied. For liquidsolid process, the best conversion and yield were 96.86% and 44.65% with the reaction time of only 1.6 min at 170 degrees C and 2 MPa, respectively. The reaction rate constant, apparent activation energy, and space-time yield (STY) were 1.37 min(-1), 47.41 kJ.mol(-1), and 5.00 x 10(-3) g.mL(-3).min(-1), respectively. Also, the CO2 can enhance the conversion of xylose to furfural in mPBRs to achieve a high selectively and yield. Compared with the batch operation, the mPBRs can greatly increase the reaction rate and STY of 1-3 order magnitude. Micropacked bed reactor could be an alternative of the batch reactor to achieve a high efficient, green, continuous, and safe dehydration process of biomass. (C) 2022 Elsevier Ltd. All rights reserved.
引用
收藏
页数:11
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