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

IF 3.8 3区 化学 Q2 CHEMISTRY, PHYSICAL Catalysts Pub Date : 2023-12-05 DOI:10.3390/catal13121492
Mengling Li, Ye Wang, Lin Liu, Yanan Gao, Zhanyun Gao, Liping Zhang
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Abstract

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 °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.
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功能化煤粉灰是一种低催化剂载量下从木糖合成糠醛的高效催化剂
在本研究中,采用简单的一步工艺(装载Al3+并磺化)对煤粉煤灰进行功能化,制得具有强酸位的固体酸催化剂(S/Al-CFA)。然后用该催化剂在水(NaCl)/四氢呋喃双相体系中由木糖制备糠醛。在180℃~ 60 min条件下,催化剂/木糖比为0.2:1.0 (w/w),糠醛收率达82%。反应完成后,所有组分均能有效分离,糠醛纯度为97.6%。对催化剂的循环性能和再生性能进行了评价,并对催化剂失活机理进行了探讨。
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来源期刊
Catalysts
Catalysts CHEMISTRY, PHYSICAL-
CiteScore
6.80
自引率
7.70%
发文量
1330
审稿时长
3 months
期刊介绍: Catalysts (ISSN 2073-4344) is an international open access journal of catalysts and catalyzed reactions. Catalysts publishes reviews, regular research papers (articles) and short communications. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. Therefore, there is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced.
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