1. JCCT
  2. Ch&ChT Vol. 19, No. 4, 2025
  3. Ferrite-Filled Polymer Composites as Catalysts for Fenton System

Ferrite-Filled Polymer Composites as Catalysts for Fenton System

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Galyna Khovanets’1,2, Olena Makido1, Tetyana Pokynbroda1, Volodymyr Skorokhoda2, Galyna Dudok2, Oksana Kurylets2
Affiliation: 
1 Department of Physical Chemistry of Fossil Fuels of the Institute of Physical-Organic Chemistry and Coal Chemistry named after L. M. Lytvynenko of the National Academy of Sciences of Ukraine, 3a, Naukova St., Lviv 79060, Ukraine 2 Lviv Polytechnic National University, 12, S. Bandera St., Lviv 79013, Ukraine khovanets_galyna@ukr.net
DOI: 
https://doi.org/10.23939/chcht19.04.796
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Keywords: 
ferrite-filled polymer composites
photoinitiated polymerization
triethylene glycol dimethacrylate
cobalt ferrite nanoparticles
Fenton system
adsorption
Abstract: 
The effect of fillers: cobalt ferrite (CoFe2O4) nanoparticle and various types of surfactants on the structure of the obtained ferrite-filled polymer composites and their adsorption and catalytic properties towards organic dyes in the Fenton system was investigated. Ferrite-polymer composites based on triethylene glycol dimethacrylate (TGM-3) and pre-synthesized cobalt ferrite (CoFe2O4) nanoparticles with notable magnetic properties were obtained via in situ photoinitiated free radical polymerization. To evenly distribute CoFe2O4 nanoparticles in the polymer matrix and increase its porosity during synthesis, various surfactants, both synthetic (sodium dodecyl sulfate) and natural (rhamnolipids), were used. The synthesized ferrite-filled polymer composites are transparent, strong, elastic, and homogeneous in structure. The adsorption and catalytic properties of the obtained films based on a polymer composite TGM-3–CoFe2O4 in an aqueous solution of the organic dye methylene blue (MB) as a model wastewater pollutant were studied. It was found that the composites obtained with the addition of surfactants show good adsorption and catalytic properties, as evidenced by the high degree of MB extraction from the solution (up to 94 %). The use of natural surfactants (rhamnolipids) makes it possible to increase the adsorption efficiency by 4–5 %, and catalytic oxidation by 20 %. In addition to their adsorption and catalytic properties, these films are magnetically separable, allowing them to be easily removed from the environment and making them promising for water resource recovery processes.
References: 

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