Comparison of the adsorption capacity of methylene blue nanostructured composites based on CoMnO2 and CuO

The innovative technologies in the chemical and food industries
3rd International Scientific Conference «Chemical Technology and Engineering»: Proceedings – June 21–24th, 2021, Lviv, Ukraine – Lviv: Lviv Polytechnic National University, 2021, pp. 128–130

Authors

First and Last Name Academic degree E-mail Affiliation
Olena Makido Ph.D. emakido [at] gmail.com Department of Physical Chemistry of Fossil Fuels of the Institute of Physical–Organic Chemistry and Coal Chemistry named after L. M. Lytvynenko NAS of Ukraine
Lviv, Ukraine
Galyna Khovanets’ Ph.D. khovanetsgalyna [at] gmail.com Department of Physical Chemistry of Fossil Fuels of the Institute of Physical–Organic Chemistry and Coal Chemistry named after L. M. Lytvynenko NAS of Ukraine
Lviv, Ukraine
Natalya Koretska Ph.D. natalya.koretska [at] gmail.com Department of Physical Chemistry of Fossil Fuels of the Institute of Physical–Organic Chemistry and Coal Chemistry named after L. M. Lytvynenko NAS of Ukraine
Lviv, Ukraine

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First published on this website: 13.04.2021 - 02:09
Abstract

The adsorption kinetics of methylene blue dye from aqueous solutions of various concentrations on the surface of nanostructured magnetosensitive catalysts based on CoMnO2 and CuO have been studied. The kinetic parameters of the process have been investigated. The adsorption process is presented as a quasi-chemical process of displacement of solvent molecules by dye molecules from the adsorption layer. The equilibrium state is described by the Langmuir equation. The limiting adsorption of methylene blue was determined.

References
  1. Makido, O.Yu., Medvedevskikh, Yu.G., Khovanets¢, G.I. (2020). Investigation into the adsorption of methylene blue on the surface of a «core–shell» type catalyst for the Fenton system. Voprosy khimii i khimicheskoi tekhnologii, 6 (133), 91-98. http://dx.doi.org/10.32434/0321-4095-2020-133-6-91-98
Official paper