Raj R Mohan, Ganesan Sivarasan, Suganthi S, Vignesh S, Hatamleh Ashraf Atef, Alnafisi Bassam Khalid, Venkatesan Raja, Raj V, Lo Huang-Mu
Department of Chemistry, J.K.K.Nataraja College of Arts and Science, Komarapalayam, Namakkal, Tamil Nadu, India.
Department of Environmental Engineering and Management, Chaoyang University of Technology, Taichung, Taiwan.
Chemosphere. 2023 Jan;311(Pt 2):137105. doi: 10.1016/j.chemosphere.2022.137105. Epub 2022 Nov 5.
A novel aluminium (Al) and its active alloys are extensively been used in nearly all areas owing to their cost-effectiveness. But when it is subjected to an aqueous medium, gets corroded through a chemical response. In this paper, a novel framework was fabricated by copolymer coating over on Al and loaded with zinc via electro polymerization and electrodeposition method ([EDA- OPDA]Al@Zn). The as-fabricated composite has emerged for the sorption of Methylene Blue (MB) aqueous dye and Paracetomal drug (PAR). The as-fabricated composite framework has been categorized via IR spectra, FE-SEM images, and EDX spectra. The sorption progression was optimized for numerous prompting features like pH, contact time and impact of dosage. Based on kinetics data, the growth in QE value by an enhancement in temperature for adsorption and the higher r values shows the adsorption progression is a pseudo-second-order model. The thermodynamic constraints specify that the field of adsorbate is impulsive and typical endothermic process. Instead, the corrosion resistance of a composite in the 3.5% of NaCl. Solution was explored via EIS spectra and potentio-dynamic polarization. Depending on the observed features, it indicates that the [EDA-OPDA]Al@Zn framework provided fantastic corrosion resistance. So it is obvious that the as-synthesized framework is of multitasking, that it could be successfully performed for the exclusion of MB aqueous dye and PAR drug from the aqueous medium and it also withstands effectively in this corrosive medium.
一种新型铝及其活性合金因其成本效益高而广泛应用于几乎所有领域。但当它置于水介质中时,会通过化学反应发生腐蚀。本文通过在铝表面进行共聚物涂层并通过电聚合和电沉积方法负载锌制备了一种新型框架([EDA-OPDA]Al@Zn)。所制备的复合材料已用于吸附亚甲基蓝(MB)水性染料和对乙酰氨基酚药物(PAR)。所制备的复合框架已通过红外光谱、场发射扫描电子显微镜图像和能谱进行了表征。对吸附过程的诸多促进因素如pH值、接触时间和剂量影响进行了优化。基于动力学数据,吸附时温度升高导致吸附量(QE)值增加且较高的r值表明吸附过程符合准二级模型。热力学约束表明吸附质的吸附是自发的且为典型的吸热过程。相反,通过电化学阻抗谱和动电位极化研究了复合材料在3.5%氯化钠溶液中的耐腐蚀性。根据观察到的特征,表明[EDA-OPDA]Al@Zn框架具有出色的耐腐蚀性。因此很明显,所合成的框架具有多种功能,它可以成功地从水介质中去除MB水性染料和PAR药物,并且在这种腐蚀性介质中也能有效耐受。