College of Chemical & Pharmaceutical Engineering, Jilin Institute of Chemical Technology, Jilin 132022, China.
School of Petrochemical Technology, Jilin Institute of Chemical Technology, Jilin 132022, China.
Int J Biol Macromol. 2024 Feb;259(Pt 2):128971. doi: 10.1016/j.ijbiomac.2023.128971. Epub 2023 Dec 29.
In this paper, magnetic composite of lignin/FeO spheres were synthesized via a straightforward one-step in-situ solvothermal method showing good capacity for adsorbing heavy metal ions and dyes. The physicochemical properties of lignin/FeO spheres are analyzed using a range of techniques such as SEM, XRD, FTIR, VSM, TG, and BET. Lignin/FeO spheres exhibited high adsorption capacities of 100.00, 353.36 and 223.71 and 180.18 mg/g for Cu (II), Ni (II) and Cr (VI) metal ions and methylene blue (MB) with equilibrium attained within 60 min. After the recycling experiments, lignin/FeO spheres still possesses excellent superparamagnetic properties and displays high adsorption capacity. The lignin/FeO spheres are an efficient and continuous adsorbent to remove heavy metal ions of Cu (II), Ni (II), Cr (VI) and cationic dyes of methylene blue in wastewater, which proves the great potential in practical pollutants treatment applications for water systems.
本文通过简单的一步原位溶剂热法合成了木质素/FeO 球的磁性复合材料，对重金属离子和染料具有良好的吸附能力。采用 SEM、XRD、FTIR、VSM、TG 和 BET 等一系列技术对木质素/FeO 球的物理化学性质进行了分析。木质素/FeO 球对 Cu（II）、Ni（II）和 Cr（VI）金属离子和亚甲基蓝（MB）的吸附容量分别高达 100.00、353.36、223.71 和 180.18 mg/g，60 min 内即可达到平衡。经过循环实验后，木质素/FeO 球仍具有优异的超顺磁性和高吸附容量。木质素/FeO 球是一种高效、连续的吸附剂，可去除废水中的 Cu（II）、Ni（II）、Cr（VI）等重金属离子和亚甲基蓝等阳离子染料，在水系统实际污染物处理应用中具有很大的潜力。
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