层状双氢氧化物催化剂的制备、表征及其在工艺开发中的应用:一种环保的方法

IF 1.3 Q3 ENGINEERING, CHEMICAL
Ateeq Rahman, Rajasekhar V. S. R. Pullabhotla
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引用次数: 2

摘要

新一代精细化工工艺是在没有传统方法的情况下应用的最佳工艺。然而,许多方法使用不同的反应参数,例如碱性和酸性催化剂,例如氧化、还原、溴化、水分解、氰醇、乙氧基化、合成气、羟醛缩合、迈克尔加成、环氧化物的不对称开环、环氧化、Wittig和Heck反应、脂肪酸的不对称酯环氧化、甲烷的燃烧、NOx还原、,生物柴油合成、环氧丙烷聚合。层状双氢氧化物(LDHs)因其在阻燃剂中的潜在应用而受到广泛关注,并具有良好的降酸药用性能。使用分析技术对这些催化剂进行表征,如:X射线衍射(XRD)、傅立叶变换红外(FT-IR)、拉曼光谱、热重差热分析仪(TG-DTA)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)、Brunauer-Emmett-Teller(BET)表面积、N2吸附-脱附、程序升温还原(TPR),X射线光电子能谱(XPS),它给出了其结构、孔隙率、形态、热稳定性、可重复使用性和催化剂活性的全貌。LDHs催化剂已被证明是经济和环境友好的。从绿色化学的角度来看,上述应用使这些催化剂具有独特性,因为它们是可重复使用的环保催化剂。版权所有©2021作者所有,BCREC集团出版。这是CC BY-SA许可证下的开放访问文章(https://creativecommons.org/licenses/by-sa/4.0)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Layered Double Hydroxide Catalysts Preparation, Characterization and Applications for Process Development: An Environmentally Green Approach
The adage of new generation of fine chemicals process is the best process applied in the absence of conventional methods. However, many methods use different reaction parameters, such as basic and acidic catalysts, for example oxidation, reduction, bromination, water splitting, cyanohydrin, ethoxylation, syngas, aldol condensation, Michael addition, asymmetric ring opening of epoxides, epoxidation, Wittig and Heck reaction, asymmetric ester epoxidation of fatty acids, combustion of methane, NOx reduction, biodiesel synthesis, propylene oxide polymerization. Layered Double Hydroxides (LDHs) have received considerable attention due their potential applications in flame retardant and has excellent medicinal property for reducing acidity. These catalysts are characterized using analytical techniques, such as: X-ray diffraction (XRD), Fourier-transform infrared (FT-IR), Raman spectroscopy, Thermogravimetric-Differential Thermal Analyzer (TG-DTA), Scanning electron microscope (SEM), Transmission electron microscopes (TEM), Brunauer-Emmett-Teller (BET) surface area, N2 Adsorption-desorption, Temperature programmed reduction (TPR), X-ray photoelectrons spectroscopy (XPS), which gives its overall picture of its structure, porosity, morphology, thermal stability, reusability, and activity of catalysts. LDHs catalysts have proven to be economic and environmentally friendly. The above discussed applications make these catalysts unique from Green Chemistry point of view since they are reusable, and eco-friendly catalysts. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0). 
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来源期刊
CiteScore
3.20
自引率
6.70%
发文量
52
审稿时长
12 weeks
期刊介绍: Bulletin of Chemical Reaction Engineering & Catalysis, a reputable international journal, provides a forum for publishing the novel technologies related to the catalyst, catalysis, chemical reactor, kinetics, and chemical reaction engineering. Scientific articles dealing with the following topics in chemical reaction engineering, catalysis science and engineering, catalyst preparation method and characterization, novel innovation of chemical reactor, kinetic studies, etc. are particularly welcome. However, articles concerned on general chemical engineering process are not covered and out of scope of this journal
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