Optimization of removal of sulfonamide antibiotics by magnetic nanocomposite from water samples using central composite design

IF 4.5 3区工程技术 Q1 WATER RESOURCES

Water Resources and Industry Pub Date : 2023-10-18 DOI:10.1016/j.wri.2023.100229

Ahmed Hjazi , Yasir Qasim Almajidi , Wesam R. Kadhum , Mohammed Aly , Jitendra Malviya , Mohammed N. Fenjan , Ahmed Alawadi , Ali Alsaalamy , Awadhesh Chandramauli , Leila Baharinikoo

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引用次数: 0

Abstract

The present study aimed to remove sulfonamide antibiotics from water samples using magnetic Fe₃O₄-bentonite nanocomposite (Fe₃O₄-Bt) as an adsorbent. The adsorbent has a surface area of 74.27 m² g^-1, a pore size of 87.53 nm, and a pore volume of 0.146 cm³ g^-1. A central composite design (CCD) matrix was employed to model and optimize the process. The optimal conditions for removing sulfonamide antibiotics were determined using Fe₃O₄-Bt adsorbent at an antibiotic concentration of 20 mg L^-1, the amount of nanoparticles of 0.23 g, pH of 6, and ultrasonication time of 17 min. The reusability study of the Fe₃O₄-Bt adsorbent showed that the Fe₃O₄-Bt could be used five times in adsorption/desorption processes. Also, applying the Fe₃O₄-Bt adsorbent on real samples revealed that Fe₃O₄-Bt adsorbent could remove sulfonamide antibiotics in the range of 86.85–97.47% with RSD (n = 5) < 4.

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中心复合设计优化磁性纳米复合材料对水样中磺胺类抗生素的去除效果

本研究旨在使用磁性Fe3O4膨润土纳米复合材料（Fe3O4-Bt）作为吸附剂从水中去除磺酰胺类抗生素。吸附剂的表面积为74.27m2 g-1，孔径为87.53nm，孔体积为0.146cm3 g-1。采用中心复合设计（CCD）矩阵对工艺进行建模和优化。使用Fe3O4-Bt吸附剂，在抗生素浓度为20mg L-1、纳米粒子量为0.23g、pH为6和超声处理时间为17min的条件下，确定了去除磺酰胺类抗生素的最佳条件。Fe3O4-Bt吸附剂的重复使用研究表明，Fe3O3-Bt在吸附/解吸过程中可以使用五次。Fe3O4-Bt吸附剂在实际样品上的应用表明，Fe3O3-Bt吸附液对磺酰胺类抗生素的去除率在86.85–97.47%之间，RSD（n=5）<；4。

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来源期刊

Water Resources and Industry Social Sciences-Geography, Planning and Development

CiteScore

8.10

自引率

5.90%

发文量

审稿时长

75 days

期刊介绍： Water Resources and Industry moves research to innovation by focusing on the role industry plays in the exploitation, management and treatment of water resources. Different industries use radically different water resources in their production processes, while they produce, treat and dispose a wide variety of wastewater qualities. Depending on the geographical location of the facilities, the impact on the local resources will vary, pre-empting the applicability of one single approach. The aims and scope of the journal include: -Industrial water footprint assessment - an evaluation of tools and methodologies -What constitutes good corporate governance and policy and how to evaluate water-related risk -What constitutes good stakeholder collaboration and engagement -New technologies enabling companies to better manage water resources -Integration of water and energy and of water treatment and production processes in industry