The Utilization of Mg-Al/Cu as Selective Adsorbent for Cationic Synthetic Dyes
IF 1.3
Q3 ENGINEERING, CHEMICAL
A. Badri, N. Palapa, R. Mohadi, M. Mardiyanto, F. Arsyad, A. Lesbani
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Abstract
Mg-Al-LDH is a chemical compound produced through co-precipitation technique and modified with Cu(NO3)2.6H2O to form Mg-Al/Cu. However, the research on the capability of these compounds for adsorbing mixtures of cationic dyes as well as malachite green (MG), methylene blue (MB), and Rodhamine-B (Rh-B) has not been carried out. Therefore, this research aims to determine the performance of Mg-Al-LDH and Mg-Al/Cu for removing cationic dyes. The materials used were characterized by using XRD powder, FT-IR, and N2 adsorption desorption. The Adsorption process was conducted by batch system and several effects were investigated, such as kinetic parameter, isotherm, and the temperature condition. The stability feature of Mg-Al-LDH and Mg-Al/Cu was obtained from the regeneration process in the five cycles. The results presented that Mg-Al/Cu was effectively produced, which was indicated by the formation of layer at 10.792° (003), 22.94° (006), 35.53° (112), 55.78° (110), and 56.59° (116). Mg-Al-LDH and Mg-Al/Cu were found to adsorbed MG than the other cationic dyes with adsorption capacity of 68.996 mg/g and 104.167 mg/g, respectively. The unique properties of Mg-Al/Cu includes, structural stability towards the reuse of adsorbent subsequently for five times, without significant decrease of adsorption capacity. 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).
Mg-Al/Cu作为阳离子合成染料选择性吸附剂的应用
Mg-Al-LDH是一种通过共沉淀技术制备的化合物,用Cu(NO3)2.6H2O改性形成Mg-Al/Cu。然而,尚未对这些化合物吸附阳离子染料以及孔雀石绿(MG)、亚甲基蓝(MB)和罗汉明-B(Rh-B)的混合物的能力进行研究。因此,本研究旨在测定Mg-Al-LDH和Mg-Al/Cu对阳离子染料的去除性能。通过XRD粉末、FT-IR和N2吸附-解吸对所用材料进行了表征。采用间歇系统对吸附过程进行了研究,考察了吸附动力学参数、吸附等温线和吸附温度等因素对吸附过程的影响。通过五个循环的再生过程,获得了Mg-Al-LDH和Mg-Al/Cu的稳定性特征。结果表明,在10.792°(003)、22.94°(006)、35.53°(112)、55.78°(110)和56.59°(116)处形成了层,从而有效地产生了Mg-Al/Cu。Mg-Al-LDH和Mg-Al/Cu对Mg的吸附量分别为68.996mg/g和104.167mg/g。Mg-Al/Cu的独特性能包括结构稳定性,吸附剂可重复使用五次,吸附能力不会显著降低。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)。
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来源期刊
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