The influence of metal oxides on the separation properties of hybrid alginate membranes

Gabriela Dudek; Małgorzata Gnus; Anna Strzelewicz; Roman Turczyn; Monika Krasowska

doi:10.1080/01496395.2017.1341532

The influence of metal oxides on the separation properties of hybrid alginate membranes

Department of Physical Chemistry and Technology of Polymers (RCH/RCH4)

Silesian University of Technology

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

Alginate membranes filled with different metal oxide particles were prepared and the influence of the presence of different amounts of Fe₃O₄, ZnO, and Ag₂O particles on ethanol and water permeation was discussed. Ethanol and water vapour permeation rates were determined using the measuring cell method, and the mass transport coefficients were evaluated. It was found that the highest transport parameters were obtained for membranes with the highest metal oxide content. Furthermore, the highest flux, equal 8.49 kg·m⁻²·h⁻¹, was obtained for the alginate membrane filled with 15 wt% of silver oxide particles, while the greatest selectivity coefficients were noted for membranes containing magnetite. In this case, for the alginate membrane with 15 wt% of magnetite content, the selectivity coefficient reached the best value of 108.15.

Original language	English
Pages (from-to)	1178-1190
Number of pages	13
Journal	Separation Science and Technology
Volume	53
Issue number	8
DOIs	https://doi.org/10.1080/01496395.2017.1341532
Publication status	Published - 24 May 2018

Keywords

Ethanol/water separation
metal oxide particles
permeation
sodium alginate membranes

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
Process Chemistry and Technology
Filtration and Separation

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10.1080/01496395.2017.1341532

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title = "The influence of metal oxides on the separation properties of hybrid alginate membranes",

abstract = "Alginate membranes filled with different metal oxide particles were prepared and the influence of the presence of different amounts of Fe3O4, ZnO, and Ag2O particles on ethanol and water permeation was discussed. Ethanol and water vapour permeation rates were determined using the measuring cell method, and the mass transport coefficients were evaluated. It was found that the highest transport parameters were obtained for membranes with the highest metal oxide content. Furthermore, the highest flux, equal 8.49 kg·m−2·h−1, was obtained for the alginate membrane filled with 15 wt\% of silver oxide particles, while the greatest selectivity coefficients were noted for membranes containing magnetite. In this case, for the alginate membrane with 15 wt\% of magnetite content, the selectivity coefficient reached the best value of 108.15.",

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T1 - The influence of metal oxides on the separation properties of hybrid alginate membranes

AU - Dudek, Gabriela

AU - Gnus, Małgorzata

AU - Strzelewicz, Anna

AU - Turczyn, Roman

AU - Krasowska, Monika

PY - 2018/5/24

Y1 - 2018/5/24

N2 - Alginate membranes filled with different metal oxide particles were prepared and the influence of the presence of different amounts of Fe3O4, ZnO, and Ag2O particles on ethanol and water permeation was discussed. Ethanol and water vapour permeation rates were determined using the measuring cell method, and the mass transport coefficients were evaluated. It was found that the highest transport parameters were obtained for membranes with the highest metal oxide content. Furthermore, the highest flux, equal 8.49 kg·m−2·h−1, was obtained for the alginate membrane filled with 15 wt% of silver oxide particles, while the greatest selectivity coefficients were noted for membranes containing magnetite. In this case, for the alginate membrane with 15 wt% of magnetite content, the selectivity coefficient reached the best value of 108.15.

AB - Alginate membranes filled with different metal oxide particles were prepared and the influence of the presence of different amounts of Fe3O4, ZnO, and Ag2O particles on ethanol and water permeation was discussed. Ethanol and water vapour permeation rates were determined using the measuring cell method, and the mass transport coefficients were evaluated. It was found that the highest transport parameters were obtained for membranes with the highest metal oxide content. Furthermore, the highest flux, equal 8.49 kg·m−2·h−1, was obtained for the alginate membrane filled with 15 wt% of silver oxide particles, while the greatest selectivity coefficients were noted for membranes containing magnetite. In this case, for the alginate membrane with 15 wt% of magnetite content, the selectivity coefficient reached the best value of 108.15.

KW - Ethanol/water separation

KW - metal oxide particles

KW - permeation

KW - sodium alginate membranes

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JO - Separation Science and Technology

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The influence of metal oxides on the separation properties of hybrid alginate membranes

Abstract

Keywords

ASJC Scopus subject areas

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