Adsorbent beads based on Fe-BTC@Chitosan/microcrystalline cellulose for simultaneous removal of sulfa drugs

IF 4.9 2区工程技术 Q1 MATERIALS SCIENCE, PAPER & WOOD

Cellulose Pub Date : 2024-11-09 DOI:10.1007/s10570-024-06244-6

Kaseb D. Alanazi, Basmah H. Alshammari, Fatmah M. Alkhatib, Kholood M. Alkhamis, Alaa M. Munshi, Amal H. Al-Bagawi, Amal H. Alsehli, Nashwa M. El-Metwaly

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引用次数: 0

Abstract

Sulfa drugs are mostly used as antimicrobial regents for treatment of several infections. Sulfa drugs can easily be accumulated in the human cells and can be leached out to cause water pollution. Nowadays, the removal of sulfa drugs from polluted wastewater is of research interest. According to our knowledge, application of bead-based biopolymers and metal organic framework (MOF) in the removal of sulfa drugs has not been investigated. The novelty in the current approach is to exploit a composite of chitosan and MOF for removal of sulfa drugs. The approach synthesizes a composite bead that is based on Fe-benzenetricarboxylic acid (Fe-BTC) a superiorly applicable MOF, and the biopolymers chitosan (Chs) and microcrystalline cellulose (MCC) for removal of sulfa drugs. The present study interests in the efficient removal of two kinds of sulfa drugs (sulphanilamide and sulfamethazine) by using the currently prepared bead. Chitosan (Chs) and microcrystalline cellulose (MCC) were used as sources for the bead. The materials interacted together to obtain Fe-BTC@Chs/MCC bead. Fe-BTC was well-distributed over the networked structure of Chs/MCC and filled the pore structure. Adsorption of sulfa drugs onto the synthesized beads was well-fitted to the pseudo-second order and isothermally to Langmuir. The affinity of Fe-BTC@Chs/MCC bead toward sulfamethazine was notably higher than that of sulphanilamide. Adsorption capacity of sulfa drugs onto Fe-BTC@Chs/MCC bead was decreased by only 16.4–15.5% after five reuse cycles which declare the substantial stability during the regeneration process.

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基于Fe-BTC@Chitosan/微晶纤维素的吸附珠同时去除磺胺类药物

磺胺类药物主要用作治疗多种感染的抗菌试剂。磺胺类药物很容易在人体细胞中积累，并可能被滤出，造成水污染。目前，从污染废水中去除磺胺类药物已成为研究热点。据我们所知，珠基生物聚合物和金属有机骨架（MOF）在磺胺类药物去除中的应用尚未得到研究。目前的新方法是利用壳聚糖和MOF的复合材料去除磺胺类药物。本方法制备了一种以fe -苯三羧酸（Fe-BTC）为基材，壳聚糖（Chs）和微晶纤维素（MCC）为生物聚合物的磺胺类药物脱除剂。本研究主要研究了利用目前制备的药珠对两种磺胺类药物（磺胺酰胺和磺胺乙嗪）的高效脱除。以壳聚糖（Chs）和微晶纤维素（MCC）为原料。材料相互作用得到Fe-BTC@Chs/MCC珠。Fe-BTC均匀分布在Chs/MCC的网状结构上，并填充孔隙结构。合成的微球对磺胺类药物的吸附符合拟二级，并与Langmuir等温吸附。Fe-BTC@Chs/MCC珠对磺胺乙烷的亲和力明显高于磺胺酰胺。经过5次循环后，Fe-BTC@Chs/MCC珠对磺胺类药物的吸附量仅下降了16.4 ~ 15.5%，表明再生过程具有较好的稳定性。

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来源期刊

Cellulose 工程技术-材料科学：纺织

CiteScore

10.10

自引率

10.50%

发文量

580

审稿时长

3-8 weeks

期刊介绍： Cellulose is an international journal devoted to the dissemination of research and scientific and technological progress in the field of cellulose and related naturally occurring polymers. The journal is concerned with the pure and applied science of cellulose and related materials, and also with the development of relevant new technologies. This includes the chemistry, biochemistry, physics and materials science of cellulose and its sources, including wood and other biomass resources, and their derivatives. Coverage extends to the conversion of these polymers and resources into manufactured goods, such as pulp, paper, textiles, and manufactured as well natural fibers, and to the chemistry of materials used in their processing. Cellulose publishes review articles, research papers, and technical notes.