Facile synthesis of superparamagnetic thiamine/Fe3O4 with enhanced adsorptivity toward divalent copper ions

Phuong Lan Tran-Nguyen; Artik Elisa Angkawijaya; Quoc Nam Ha; Yen Nhi Tran-Chuong; Alchris Woo Go; Vania Bundjaja; Chintya Gunarto; Shella Permatasari Santoso; Yi-Hsu Ju

doi:10.1016/j.chemosphere.2021.132759

Facile synthesis of superparamagnetic thiamine/Fe₃O₄ with enhanced adsorptivity toward divalent copper ions

Chemosphere. 2022 Mar;291(Pt 2):132759. doi: 10.1016/j.chemosphere.2021.132759. Epub 2021 Nov 3.

Authors

Phuong Lan Tran-Nguyen¹, Artik Elisa Angkawijaya², Quoc Nam Ha³, Yen Nhi Tran-Chuong³, Alchris Woo Go⁴, Vania Bundjaja³, Chintya Gunarto⁵, Shella Permatasari Santoso⁵, Yi-Hsu Ju⁶

Affiliations

¹ Department of Mechanical Engineering, Can Tho University, 3/2 Street, Can Tho City, Viet Nam. Electronic address: tnplan@ctu.edu.vn.
² Graduate Institute of Applied Science, National Taiwan University of Science and Technology, #43, Sec. 4, Keelung Rd., Taipei, 10607, Taiwan. Electronic address: artikelisa@mail.ntust.edu.tw.
³ Department of Chemical Engineering, National Taiwan University of Science and Technology, #43, Sec. 4, Keelung Rd., Taipei, 10607, Taiwan.
⁴ Graduate Institute of Applied Science, National Taiwan University of Science and Technology, #43, Sec. 4, Keelung Rd., Taipei, 10607, Taiwan.
⁵ Department of Chemical Engineering, National Taiwan University of Science and Technology, #43, Sec. 4, Keelung Rd., Taipei, 10607, Taiwan; Department of Chemical Engineering, Widya Mandala Surabaya Catholic University, Kalijudan 37, Surabaya, 60114, Indonesia.
⁶ Graduate Institute of Applied Science, National Taiwan University of Science and Technology, #43, Sec. 4, Keelung Rd., Taipei, 10607, Taiwan; Department of Chemical Engineering, National Taiwan University of Science and Technology, #43, Sec. 4, Keelung Rd., Taipei, 10607, Taiwan; Taiwan Building Technology Center, National Taiwan University of Science and Technology, #43, Sec. 4, Keelung Rd., Taipei, 10607, Taiwan.

PMID: 34742753
DOI: 10.1016/j.chemosphere.2021.132759

Abstract

The development of environmentally friendly adsorbents has been extensively carried out to overcome the detrimental effects of heavy metal accumulation, which has persistently become a global ecological problem. In pursuit of generating eco-friendly adsorbents, a green method for synthesizing thiamine functionalized-Fe₃O₄ (FT) was developed in this study. A one-step chemical oxidation and functionalization technique was used to prepare FT using the ammonia-containing solvent. A molar ratio of ammonia:Fe:thiamine of 15:1:1 was shown to produce FT15 with high yield, adsorptivity, and purity. XRD, XPS, FTIR, SEM, and SQUID characterization of FT15 revealed the formation of superparamagnetic thiamine functionalized Fe₃O₄ in their particles. This superparamagneticity facilitates the easy recovery of FT15 particles from the waste-containing solution by using an external magnetic force. The batch adsorption of Cu(II) onto FT15 showed the best fit with the Sips adsorption isotherm model with a maximum adsorption capacity of 426.076 mg g^-1, which is 5.69-fold higher capacity than the control unmodified Fe₃O₄ (F15). After five adsorption-desorption cycles, the FT15 can maintain up to 1.95-fold higher capacity than the freshly synthesized F15. Observation on the physicochemical properties of the post-adsorption materials showed the contribution of an amine group, pyrimidine ring, and the thiazolium group of thiamine in boosting its adsorption capacity. This study provides important findings to advance the adsorptivity of magnetic adsorbents with promising recoverability from aqueous solution by employing naturally available and environmentally friendly compounds such as thiamine.

Keywords: Fe(3)O(4); Heavy metals; Magnetite; Superparamagnetic adsorbent; Thiamine.

MeSH terms

Adsorption
Copper
Hydrogen-Ion Concentration
Ions
Kinetics
Magnetic Iron Oxide Nanoparticles
Thiamine
Water Pollutants, Chemical* / analysis
Water Purification*

Substances

Ions
Water Pollutants, Chemical
Copper
Thiamine