文献类型：期刊文献

英文题名：Recyclable core-shell hydrogel doped with nano-β-FeOOH for efficient adsorption of copper ions

作者：Huang, Simin[1];Yuan, Yizhong[1];Yu, Huimei[2];Sun, Jinyu[1];Tian, Xiaohui[1];Cai, Chunhua[3];Han, Yuxuan[1];Zhang, Yao[1]

机构：[1]East China Univ Sci & Technol, Sch Mat Sci & Engn, Shanghai Key Lab Adv Polymer Mat, Shanghai 200237, Peoples R China;[2]East China Univ Sci & Technol, Key Lab Specially Funct Polymer Mat & Related Tech, Minist Educ, Shanghai 200237, Peoples R China;[3]East China Univ Sci & Technol, Frontiers Sci Ctr Materiobiol & Dynam Chem, Sch Mat Sci & Engn, Shanghai Key Lab Adv Polymer Mat ,Key Lab Ultrafin, Shanghai 200237, Peoples R China

年份：2025

卷号：214

外文期刊名：REACTIVE & FUNCTIONAL POLYMERS

收录：;EI(收录号：20251718293678);WOS:【SCI-EXPANDED(收录号:WOS:001480984300001)】；

语种：英文

外文关键词：& Vcy; -FeOOH nanomaterials; Recyclable adsorbent; Wastewater remediation

摘要：The remediation of wastewater contaminated with heavy metals remains a serious challenge due to the continuing threats posed to ecosystems and human health. While conventional methods such as membrane filtration and flocculation exist, developing sustainable adsorbents with high capacity and reusability is imperative. Therefore, we propose a novel strategy to overcome the limitations of natural polymer-based hydrogels by integrating beta-FeOOH nanoparticles into sodium alginate matrices. FTIR, XPS and TG reveal that the incorporation of beta-FeOOH not only increases the adsorption active sites but also improves the thermal stability of the composite hydrogels. The composite hydrogel exhibits exceptional adsorption capacity (581.40 mg/ g). Crucially, the material maintains over 85 % of its initial efficiency after five adsorption-desorption cycles, demonstrating strong structural integrity and practical applicability. This work provides a mechanistic framework for designing multifunctional hydrogels through nanomaterial hybridization, offering a sustainable pathway for water purification technologies.