Functionalized Coal Fly Ash Is an Efficient Catalyst for Synthesizing Furfural from Xylose at a Low Catalyst Load

被引：1

作者：

Li, Mengling ^{[1
]}

Wang, Ye ^{[1
]}

Liu, Lin ^{[1
]}

Gao, Yanan ^{[1
]}

Gao, Zhanyun ^{[1
]}

Zhang, Liping ^{[1
]}

机构：

[1] Beijing Forestry Univ, MOE Engn Res Ctr Forestry Biomass Mat & Bioenergy, Dept Chem & Chem Engn, Beijing 100083, Peoples R China

来源：

CATALYSTS | 2023年 / 13卷 / 12期

关键词：

furfural; xylose; functionalized coal fly ash; biphasic system; recyclable; HYDROTHERMAL CONVERSION; HETEROGENEOUS CATALYST; ACID CATALYST; CORN STOVER; DEHYDRATION; PRETREATMENT; WASTE; WATER;

D O I：

10.3390/catal13121492

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this study, coal fly ash was functionalized, using a simple one-step process (loading with Al3+ and sulfonation), to yield a solid acid catalyst (S/Al-CFA) with strong acid sites. The catalyst was then used to produce furfural from xylose in a biphasic system (H2O(NaCl)/tetrahydrofuran). The furfural yield reached 82% at 180 degrees C-60 min with catalyst/xylose ratio of 0.2:1.0 (w/w). With the reaction completed, all of the components could be effectively separated, and the furfural was 97.6% pure. The cycle and regeneration of the catalyst were evaluated, and the catalyst deactivation mechanism was investigated.

引用

页数：15

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