Alginate and alginate silver nanoparticles as bioadsorbent agents to remove Fe (II) ions from aqueous solution

IF 1.9 4区环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES Bioremediation Journal Pub Date : 2023-10-17 DOI:10.1080/10889868.2023.2269247

Mostafa M. El-Sheekh, Mohamed A. Deyab, Nagwa I. Hassan, Seham E. Abu Ahmed

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Abstract

AbstractSodium alginate and alginate silver nanoparticles were utilized as adsorbents to eliminate Fe (II) ions from aqueous solutions. Biosorption capacity was established through the use of serial bioadsorption experiments. The effect of different investigated factors in bioadsorption included contact time, pH, adsorbent dosage, and various metal ion concentrations. Alginate silver nanoparticles were more effective than sodium alginate in removing Fe (II) from an aqueous solution. The removal efficiency of Fe (II) by nanoparticles was 80%, while by alginate was 54%. The optimal conditions for bioadsorption of Fe (II) were pH 4, contact time 150, and an adsorbent dose 0.01 g. Adsorption isotherm was fitted to Langmuir isotherm (R2 = 0.995) rather than Freundlich isotherm. Also, UV and FT-IR before and after Fe (II) adsorption were performed to confirm the bioadsorption process.Keywords: Adsorption isothermFe (II) bioadsorptionsilver nanoparticlessodium alginateUVFT-IR Ethics approval and consent to participateNot applicable.Consent for publicationNot applicable.Consent to participateNot applicable.Disclosure statementThe authors declare no conflict of interest.Availability of data and materialsAll data and materials are supplied in the manuscript.

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藻酸盐和藻酸银纳米颗粒作为生物吸附剂去除水溶液中的铁离子

摘要采用海藻酸钠和纳米藻酸银作为吸附剂去除水中的铁离子。通过一系列生物吸附实验确定了其生物吸附能力。不同研究因素对生物吸附的影响包括接触时间、pH、吸附剂用量和不同金属离子浓度。藻酸银纳米颗粒在去除水溶液中的铁(II)方面比藻酸钠更有效。纳米颗粒对Fe (II)的去除率为80%，海藻酸盐对Fe (II)的去除率为54%。吸附Fe (II)的最佳条件为pH 4、接触时间150、吸附剂用量0.01 g。吸附等温线不符合Freundlich等温线，而符合Langmuir等温线(R2 = 0.995)。并通过吸附前后的UV和FT-IR对吸附过程进行了验证。关键词:吸附等温线fe (II)生物吸附纳米银海藻酸钠vft - ir伦理批准和同意参与者不适用发表同意不适用。同意参加不适用。声明作者声明无利益冲突。数据和材料的可用性所有数据和材料都在手稿中提供。

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来源期刊

Bioremediation Journal ENVIRONMENTAL SCIENCES-

CiteScore

5.30

自引率

0.00%

发文量

审稿时长

9 months

期刊介绍： Bioremediation Journal is a peer-reviewed quarterly that publishes current, original laboratory and field research in bioremediation, the use of biological and supporting physical treatments to treat contaminated soil and groundwater. The journal rapidly disseminates new information on emerging and maturing bioremediation technologies and integrates scientific research and engineering practices. The authors, editors, and readers are scientists, field engineers, site remediation managers, and regulatory experts from the academic, industrial, and government sectors worldwide. High-quality, original articles make up the primary content. Other contributions are technical notes, short communications, and occasional invited review articles.