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

被引：21

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

来源：

CHEMICAL ENGINEERING SCIENCE | 2023年 / 266卷

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

页数：11

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