Recovery and Preconcentration of Phenols from Aqueous Solutions with a Magnetic Sorbent Based on Fe3O4 Nanoparticles and Hyper-Cross-Linked Polystyrene


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Abstract

A procedure was suggested for recovering and concentrating phenols (phenol, 4-nitrophenol, 2-chlorophenol, and pentachlorophenol) from aqueous solution using a newly synthesized sorbent: magnetite nanoparticles modified with hyper-cross-linked polystyrene. The sorbent particle size, limiting sorption, specific surface area, and saturation magnetization were determined. A novel concentrating cartridge that ensures sorption under dynamic conditions using the magnetic sorbent was developed, and its performance was evaluated. The dynamic sorption allows quantitative recovery of phenols with a concentration factor of 530–1360.

About the authors

A. S. Gubin

Voronezh State University of Engineering Technologies

Author for correspondence.
Email: goubinne@mail.ru
Russian Federation, Voronezh, 394000

P. T. Sukhanov

Voronezh State University of Engineering Technologies

Email: goubinne@mail.ru
Russian Federation, Voronezh, 394000

A. A. Kushnir

Voronezh State University of Engineering Technologies

Email: goubinne@mail.ru
Russian Federation, Voronezh, 394000

E. D. Proskuryakova

Voronezh State University of Engineering Technologies

Email: goubinne@mail.ru
Russian Federation, Voronezh, 394000

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