Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Removal of Methylene Blue Dye from Aqueous Solutions Using Polymer Inclusion Membrane Containing calix[4]pyrrole

Anna Nowik-Zajac
* ,
Iwona Zawierucha
ORCID logo ,
Jakub Lagiewka
,
Karolina Jaksender
,
Katarzyna Witt
,
Grzegorz Malina
ORCID logo ,
Vira Sabadash
ORCID logo
Version 1 : Received: 15 March 2024 / Approved: 18 March 2024 / Online: 18 March 2024 (10:40:28 CET)

A peer-reviewed article of this Preprint also exists.

Nowik-Zajac, A.; Zawierucha, I.; Lagiewka, J.; Jaksender, K.; Witt, K.; Malina, G.; Sabadash, V. Removal of Methylene Blue Dye from Aqueous Solutions Using Polymer Inclusion Membrane Containing Calix[4]pyrrole. Membranes 2024, 14, 92. Nowik-Zajac, A.; Zawierucha, I.; Lagiewka, J.; Jaksender, K.; Witt, K.; Malina, G.; Sabadash, V. Removal of Methylene Blue Dye from Aqueous Solutions Using Polymer Inclusion Membrane Containing Calix[4]pyrrole. Membranes 2024, 14, 92.

Abstract

Polymer inclusion membranes (PIMs), which contained cellulose tri-acetate used as a polymer base, a plasticizer in the form of o-NPOE, and meso-tetra methyl tetrakis-[methyl-2-(4-acetlphenoxy)] calix[4]pyrrole (KP) used as a carrier, were prepared and tested for the effective purification of aqueous solutions of methylene blue dye. The scanning electron microscope (SEM), thermogravimetric analysis (TGA), and attenuated total reflection Fourier transform infrared (ATR-FTIR) were used to define the microstructure and surface of PIMs. Experimental results showed that with the increased concentration of methylene blue in an aqueous solution, the removal percentage also increased. Further observation also showed that the flux increased with the rise of the source phase pH values from 3 to 10. The carrier and plasticizer content in the membrane significantly influenced the membrane’s transport properties. The optimal composition of the membrane in per cent by weight was for KP: 74% plasticizer; 18% support; 8% carrier. It was shown that the membrane with optimal composition showed good reusability and enabled the easy and spontaneous separation of methylene blue from aqueous solutions.

Keywords

polymer inclusion membrane; methylene blue dye; organic dye, calixpyrroles

Subject

Environmental and Earth Sciences, Water Science and Technology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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