Utilizing a novel green ternary polymeric nanocomposite material to remove tetracycline antibiotic effectively from aqueous solutions

IF 3 4区工程技术 Q3 CHEMISTRY, PHYSICAL

Adsorption Pub Date : 2024-07-16 DOI:10.1007/s10450-024-00514-2

Nazir Mustapha, Marwa H. Gouda, M. Abdel Rafea, M. Salerno, Ashour M. Ahmed, Noha A. Elessawy

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Abstract

Highly efficient removal of tetracycline antibiotic residue from aqueous solution was demonstrated by a novel, cost effective and environmentally friendly adsorbent consisting in composite polymeric beads of sodium alginate, chitosan and polyvinyl pyrrolidone, doped with equal ratio of sulfonated graphene oxide and sulfonated titania, fabricated via simple blending method using calcium chloride as a crosslinker. The adsorption parameters of beads amount, initial tetracycline concentration, adsorption time and solution pH were investigated. Furthermore, adsorption time, beads amount, and the initial tetracycline concentration were optimized using the response surface methodology model. Pseudo-second-order kinetic equation was fitted to the adsorption process’ kinetics. It was discovered that the electrostatic attraction and hydrogen bonding, which primarily contribute to the noticeably enhanced adsorption ability, are the essential factors driving the adsorption mechanism. The maximum antibiotic adsorption capacity of the nanocomposite beads reached 357 mg/g.

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利用新型绿色三元聚合物纳米复合材料有效去除水溶液中的四环素抗生素

利用氯化钙作为交联剂，通过简单的混合方法制造出了一种新型、经济、环保的吸附剂，该吸附剂由海藻酸钠、壳聚糖和聚乙烯吡咯烷酮组成，并掺杂了等比例的磺化氧化石墨烯和磺化二氧化钛。研究了吸附珠用量、初始四环素浓度、吸附时间和溶液 pH 值等吸附参数。此外，还利用响应面方法模型对吸附时间、吸附珠用量和初始四环素浓度进行了优化。对吸附过程动力学拟合了伪二阶动力学方程。结果发现，静电吸引和氢键是驱动吸附机理的关键因素，它们是明显增强吸附能力的主要原因。纳米复合珠的最大抗生素吸附量达到 357 mg/g。

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来源期刊

Adsorption 工程技术-工程：化工

CiteScore

8.10

自引率

3.00%

发文量

审稿时长

2.4 months

期刊介绍： The journal Adsorption provides authoritative information on adsorption and allied fields to scientists, engineers, and technologists throughout the world. The information takes the form of peer-reviewed articles, R&D notes, topical review papers, tutorial papers, book reviews, meeting announcements, and news. Coverage includes fundamental and practical aspects of adsorption: mathematics, thermodynamics, chemistry, and physics, as well as processes, applications, models engineering, and equipment design. Among the topics are Adsorbents: new materials, new synthesis techniques, characterization of structure and properties, and applications; Equilibria: novel theories or semi-empirical models, experimental data, and new measurement methods; Kinetics: new models, experimental data, and measurement methods. Processes: chemical, biochemical, environmental, and other applications, purification or bulk separation, fixed bed or moving bed systems, simulations, experiments, and design procedures.