Semi-IPN polysaccharide-based hydrogels for effective removal of heavy metal ions and dyes from wastewater: a comprehensive investigation of performance and adsorption mechanism.

IF 3 4区 医学 Q2 ENVIRONMENTAL SCIENCES Reviews on Environmental Health Pub Date : 2024-09-03 DOI:10.1515/reveh-2024-0004
Fatemeh Zanbili, Peyman Gozali Balkanloo, Ahmad Poursattar Marjani
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Abstract

The escalating issue of environmental pollutants necessitates efficient, sustainable, and innovative wastewater treatment technologies. This review comprehensively analyzes the mechanisms and isotherms underlying the adsorption processes of semi-interpenetrating polymer network (semi-IPN) polysaccharide-based hydrogels to remove heavy metal ions and dyes from wastewater. Polysaccharides are extensively utilized in hydrogel synthesis due to their biocompatibility, cost-effectiveness, and non-toxic nature. The synthesis of these hydrogels as semi-IPNs enhances their mechanical and structural robustness and adsorption capacity. This review explores the key parameters affecting adsorption performance, including pH, temperature, contact time, and adsorbent dosage. Findings highlight that semi-IPN polysaccharide-based hydrogels exhibit remarkable adsorption capabilities through electrostatic interactions, ion exchange, and surface complexation. Furthermore, this review highlights the distinct advantages of semi-IPNs over other polymer networks. Semi-IPNs offer improved mechanical stability, higher adsorption efficiencies, and better reusability, making them a promising solution for wastewater treatment. Detailed isotherm models, including Langmuir and Freundlich isotherms, were studied to understand these hydrogels' adsorption behavior and capacity for different pollutants. This study highlights the potential of semi-IPN polysaccharide-based hydrogels as effective adsorbents for heavy metals and dyes and as a promising solution for mitigating environmental pollution. The insights provided herein contribute to developing advanced materials for environmental remediation, aligning with global sustainability goals, and advancing wastewater treatment technology.

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用于有效去除废水中重金属离子和染料的半 IPN 多糖基水凝胶:性能和吸附机理的综合研究。
环境污染物问题日益严重,需要高效、可持续和创新的废水处理技术。本综述全面分析了半互穿聚合物网络(semi-IPN)多糖水凝胶吸附废水中重金属离子和染料的机理和等温线。多糖因其生物相容性、成本效益和无毒性而被广泛用于水凝胶合成。将这些水凝胶合成为半 IPN 可增强其机械和结构的坚固性以及吸附能力。本综述探讨了影响吸附性能的关键参数,包括 pH 值、温度、接触时间和吸附剂用量。研究结果突出表明,基于半 IPN 多糖的水凝胶通过静电相互作用、离子交换和表面络合作用表现出卓越的吸附能力。此外,本综述还强调了半 IPN 相对于其他聚合物网络的独特优势。半 IPN 具有更高的机械稳定性、更高的吸附效率和更好的重复利用率,使其成为一种前景广阔的废水处理解决方案。为了了解这些水凝胶对不同污染物的吸附行为和吸附能力,我们研究了详细的等温线模型,包括 Langmuir 等温线和 Freundlich 等温线。这项研究强调了半 IPN 多糖水凝胶作为重金属和染料的有效吸附剂的潜力,以及作为缓解环境污染的一种有前途的解决方案的潜力。本文所提供的见解有助于开发用于环境修复的先进材料,与全球可持续发展目标保持一致,并推动废水处理技术的发展。
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来源期刊
Reviews on Environmental Health
Reviews on Environmental Health Social Sciences-Health (social science)
CiteScore
7.20
自引率
2.60%
发文量
75
期刊介绍: Reviews on Environmental Health (REVEH) is an international peer-reviewed journal that aims to fill the need for publication of review articles on hot topics in the field of environmental health. Reviews on Environmental Health aims to be an inspiring forum for scientists, environmentalists, physicians, engineers, and students who are concerned with aspects of human health, including quality of life, that are determined by physiological and psychosociological interactions between man and physical, chemical, biological, and social factors in the environment. Reviews on Environmental Health is an important niche served by no other journal, that’s being a site where thoughtful reviews can be published on a variety of subjects related to both health and environment. One challenge is to bridge the research on environmental causes of disease with the clinical practice of medicine. Reviews on Environmental Health is a source of integrated information on environment and health subjects that will be of value to the broad scientific community, whether students, junior and senior professionals, or clinicians.
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