Removal of Mercury Ions from Aqueous Solutions Using Dithiooxamide-Glutaraldehyde Resin

IF 1.8 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Solvent Extraction and Ion Exchange Pub Date : 2023-09-26 DOI:10.1080/07366299.2023.2259951

Dina Tolan, Amr Heniesh, Mohamed Ismael, Emad Elshehy, Norah Faihan Alqahtani, Waleed A. El-Said, Ahmed El-Nahas, Ayman El-Sawaf

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引用次数: 0

Abstract

ABSTRACTThis work has been performed to synthesize a new dithiooxamide/glutaraldehyde resin (R-DTGA) polymer, and to determine the adsorption behavior as well as the adsorption kinetics of the reaction of the synthesized polymer towards the removal of mercury (II) ions from contaminated aqueous and industrial waste media. The synthesized resin polymer has been characterized by using the X-ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDX), Fourier-Transform Infrared spectroscopy (FT-IR), the DTA, and the TGA measurements and techniques. The adsorption behavior of mercury ions and species was studied using the batch technique. The batch adsorption experiments were performed by using the synthesized polymer, and the effect of various parameters affecting the mercury (II) ions removal has been carefully investigated. The studied parameters are the solution pH, mercury ions concentration, and adsorption time. The obtained experimental results and data indicated the adsorption of mercury was maximum at the pH value (4.6). Also, it was found the adsorption of mercury ions onto the synthesized resin is best fitted by the Langmuir adsorption model, and the adsorption kinetics is best fitted by pseudo-second order kinetics model. The studied adsorbent polymer gave a superior maximum uptake (adsorption) capacity of 11 mmol/g. Based on the obtained results, the synthesized polymer provided extraordinary maximum capacity, selectivity, reusability, sensitivity, and fast adsorption kinetics to remove, extract, and recover mercury (II) ions from industrial, aqueous, and wastewater solutions.KEYWORDS: Mercury recoverydithiooxamideglutaraldehydepolymeradsorption isothermsresinadsorption kinetics AcknowledgmentsThe authors extend their appreciation to the Deputyship for Research & Innovation, Ministry of Education in Saudi Arabia for funding this research work through the project number (IF-PSAU-2021/01/18797).Disclosure statementNo potential conflict of interest was reported by the author(s).Additional informationFundingThe work was supported by the Deputyship for Research & Innovation, Ministry of Education in Saudi Arabia [IF-PSAU-2021/01/18797].

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二硫脲-戊二醛树脂去除水溶液中的汞离子

摘要合成了一种新型二硫脲/戊二醛树脂(R-DTGA)聚合物，并测定了该聚合物对汞(II)离子的吸附行为及反应动力学。采用x射线衍射(XRD)、能量色散x射线能谱(EDX)、傅里叶红外光谱(FT-IR)、差热分析(DTA)和热重分析(TGA)等测量技术对合成的树脂聚合物进行了表征。采用间歇吸附技术研究了其对汞离子和汞种的吸附行为。利用合成的聚合物进行了批量吸附实验，并研究了各种参数对汞(II)离子去除的影响。研究的参数为溶液pH、汞离子浓度和吸附时间。得到的实验结果和数据表明，在pH值为4.6时，对汞的吸附最大。合成树脂对汞离子的吸附最符合Langmuir吸附模型，吸附动力学最符合拟二级动力学模型。所研究的吸附剂聚合物具有优越的最大吸收(吸附)容量为11 mmol/g。根据所获得的结果，合成的聚合物具有非凡的最大容量，选择性，可重复使用性，灵敏度和快速吸附动力学，可以从工业，水和废水溶液中去除，提取和回收汞(II)离子。作者感谢沙特阿拉伯教育部研究与创新部副部长通过项目编号(IF-PSAU-2021/01/18797)资助本研究工作。披露声明作者未报告潜在的利益冲突。本研究得到了沙特阿拉伯教育部研究与创新部副部长的支持[if - psu -2021/01/18797]。

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来源期刊

Solvent Extraction and Ion Exchange 化学-化学综合

CiteScore

4.40

自引率

5.00%

发文量

审稿时长

8.4 months

期刊介绍： Solvent Extraction and Ion Exchange is an international journal that publishes original research papers, reviews, and notes that address all aspects of solvent extraction, ion exchange, and closely related methods involving, for example, liquid membranes, extraction chromatography, supercritical fluids, ionic liquids, microfluidics, and adsorption. We welcome submissions that look at: The underlying principles in solvent extraction and ion exchange; Solvent extraction and ion exchange process development; New materials or reagents, their syntheses and properties; Computational methods of molecular design and simulation; Advances in equipment, fluid dynamics, and engineering; Interfacial phenomena, kinetics, and coalescence; Spectroscopic and diffraction analysis of structure and dynamics; Host-guest chemistry, ion receptors, and molecular recognition.