Visible light-driven conversion of carboxylic acids into esters for enhanced algal bio-crude oil catalyzed by cadmium sulfide quantum dots (CdS-QDs)
文献类型： 外文期刊
第一作者： Wang, Shuang
作者： Wang, Shuang;Liu, Qian;Xu, Lingyan;Liu, Xinlin;Hu, Yamin;Qian, Lili;Lu, Ziyang;Xu, Shannan;Abomohra, Abd El-Fatah;Abomohra, Abd El-Fatah
作者机构：
关键词： CdS-QDs; Photocatalytic; Algal biocrude oil; Acids; Esters
期刊名称：FUEL PROCESSING TECHNOLOGY （ 影响因子：7.033； 五年影响因子：5.806 ）
ISSN： 0378-3820
年卷期： 2021 年 216 卷
页码：
收录情况： SCI
摘要： This study investigated the application of cadmium sulfide quantum dots (CdS-QDs) as a photocatalyst to catalyze the conversion of carboxylic acids in the algal bio-crude oil into esters via visible light. The synthesized catalyst was characterized by SEM, TEM, BET, Raman, DRS, PL, and TG-DTA. The analysis of the algal bio-crude oil before and after photocatalytic reaction by gas chromatography-mass spectrometry showed significant composition changes. The relative content of esters in algal bio-crude oil significantly increased from 17.22% to 47.92%, whereas the relative content of acids significantly reduced. The photocatalyst could selectively stimulate the cleavage of C-O linkages in carboxylic acids, leading to the generation of acyl radicals, and ultimately improved the relative content of esters.
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