Removal of Uranyl Ion from Wastewater by Magnetic Adsorption Material of Polyaniline Combined with CuFe2O4 | Zendy

Xinrui Feng | Zendy; Shaoshuai Sun | Zendy; Ge Cheng | Zendy; Lei Shi | Zendy; Xiangshan Yang | Zendy; Yibo Zhang | Zendy

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Removal of Uranyl Ion from Wastewater by Magnetic Adsorption Material of Polyaniline Combined with CuFe2O4

Author(s) -

Xinrui Feng,

Shaoshuai Sun,

Ge Cheng,

Lei Shi,

Xiangshan Yang,

Yibo Zhang

Publication year - 2021

Publication title -

adsorption science and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.682

H-Index - 36

eISSN - 2048-4038

pISSN - 0263-6174

DOI - 10.1155/2021/5584158

Subject(s) - uranyl , adsorption , polyaniline , chemistry , fourier transform infrared spectroscopy , langmuir adsorption model , x ray photoelectron spectroscopy , nanocomposite , inorganic chemistry , chemical engineering , isothermal process , wastewater , nuclear chemistry , ion , aqueous solution , organic chemistry , polymer , thermodynamics , engineering , polymerization , physics , waste management

The magnetic adsorption material of polyaniline (PANI) with amino functional group combined with CuFe2O4 (CuFe2O4/PANI nanocomposite) has been described in this work. It has been characterized by TEM, XRD, XPS, BET, FTIR, and VSM, respectively. Significantly, it exhibits extremely high maximum adsorption capacity (322.6 mg/g) for removal of uranyl ions from wastewater at a pH of 4. The adsorption process is consistent with the quasisecond-order kinetic equation, and the isotherm and kinetic data are accurately described by the Langmuir isothermal adsorption model. Furthermore, the magnetic CuFe2O4/PANI displays stable adsorption performance for uranyl ions after five cycles of recovery in acid medium, which indicates it possesses good recovery due to its magnetism and excellent regeneration ability for reusability.

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