In-situ preparation of lignin/Fe3O4 magnetic spheres as bifunctional material for the efficient removal of metal ions and methylene blue

Suyao Li; Xiang Li; Sisi Li; Ping Xu; Zhigang Liu; Shihua Yu

doi:10.1016/j.ijbiomac.2023.128971

In-situ preparation of lignin/Fe₃O₄ magnetic spheres as bifunctional material for the efficient removal of metal ions and methylene blue

Int J Biol Macromol. 2024 Feb;259(Pt 2):128971. doi: 10.1016/j.ijbiomac.2023.128971. Epub 2023 Dec 29.

Authors

Suyao Li¹, Xiang Li², Sisi Li¹, Ping Xu¹, Zhigang Liu³, Shihua Yu⁴

Affiliations

¹ College of Chemical & Pharmaceutical Engineering, Jilin Institute of Chemical Technology, Jilin 132022, China.
² School of Petrochemical Technology, Jilin Institute of Chemical Technology, Jilin 132022, China. Electronic address: lixiang@jlict.edu.cn.
³ Centre of Analysis and Measurement, Jilin Institute of Chemical Technology, Jilin 132022, China. Electronic address: lzg@jlict.edu.cn.
⁴ College of Chemical & Pharmaceutical Engineering, Jilin Institute of Chemical Technology, Jilin 132022, China. Electronic address: ysh@jlict.edu.cn.

PMID: 38161011
DOI: 10.1016/j.ijbiomac.2023.128971

Abstract

In this paper, magnetic composite of lignin/Fe₃O₄ 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/Fe₃O₄ spheres are analyzed using a range of techniques such as SEM, XRD, FTIR, VSM, TG, and BET. Lignin/Fe₃O₄ 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/Fe₃O₄ spheres still possesses excellent superparamagnetic properties and displays high adsorption capacity. The lignin/Fe₃O₄ 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.

Keywords: Adsorption; Fe(3)O(4); Heavy metal ions; Lignin; Methylene blue.

MeSH terms

Adsorption
Cations
Coloring Agents
Kinetics
Lignin
Magnetic Phenomena
Metals, Heavy* / chemistry
Methylene Blue
Water Pollutants, Chemical* / chemistry

Substances

Lignin
Methylene Blue
Water Pollutants, Chemical
Metals, Heavy
Cations
Coloring Agents