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Applicability of PolyActive™ Thin Film Composite Membranes for CO(2) Separation from C(2)H(4) Containing Multi-Component Gas Mixtures at Pressures up to 30 Bar

The PolyActive™ thin film composite membrane (TFCM) has already been successfully applied for CO(2) separation tasks at feed pressures up to 10 bar. To investigate the applicability at higher pressures, measurements were undertaken with C(2)H(4) containing gas mixtures with a composition comparable...

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Autores principales: Schuldt, Karina, Pohlmann, Jan, Shishatskiy, Sergey, Brinkmann, Torsten
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6027195/
https://www.ncbi.nlm.nih.gov/pubmed/29874781
http://dx.doi.org/10.3390/membranes8020027
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author Schuldt, Karina
Pohlmann, Jan
Shishatskiy, Sergey
Brinkmann, Torsten
author_facet Schuldt, Karina
Pohlmann, Jan
Shishatskiy, Sergey
Brinkmann, Torsten
author_sort Schuldt, Karina
collection PubMed
description The PolyActive™ thin film composite membrane (TFCM) has already been successfully applied for CO(2) separation tasks at feed pressures up to 10 bar. To investigate the applicability at higher pressures, measurements were undertaken with C(2)H(4) containing gas mixtures with a composition comparable to the product stream of the oxidative coupling of methane process, as well as single gases up to a feed pressure of 30 bar. Furthermore, the permeances of the conducted gas mixture experiments were simulated. The results show a strong swelling influence of CO(2) on the used membrane depending on the CO(2) fugacity. This swelling effect leads to a pronounced decrease in selectivity. The observed membrane behavior at high pressures could not be predicted by the Free Volume Model (FVM). Two different simulations were conducted: one based on parameters calculated from single gas data measured at pressures up to 2 bar; and a second based on parameters calculated from single gas data measured at pressures from 2 to 30 bar. The two simulations differ in their prediction accuracy. However, they confirm that it is possible to predict the measured permeances in the pressure range up to an average CO(2) fugacity of 6 bar.
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spelling pubmed-60271952018-07-13 Applicability of PolyActive™ Thin Film Composite Membranes for CO(2) Separation from C(2)H(4) Containing Multi-Component Gas Mixtures at Pressures up to 30 Bar Schuldt, Karina Pohlmann, Jan Shishatskiy, Sergey Brinkmann, Torsten Membranes (Basel) Article The PolyActive™ thin film composite membrane (TFCM) has already been successfully applied for CO(2) separation tasks at feed pressures up to 10 bar. To investigate the applicability at higher pressures, measurements were undertaken with C(2)H(4) containing gas mixtures with a composition comparable to the product stream of the oxidative coupling of methane process, as well as single gases up to a feed pressure of 30 bar. Furthermore, the permeances of the conducted gas mixture experiments were simulated. The results show a strong swelling influence of CO(2) on the used membrane depending on the CO(2) fugacity. This swelling effect leads to a pronounced decrease in selectivity. The observed membrane behavior at high pressures could not be predicted by the Free Volume Model (FVM). Two different simulations were conducted: one based on parameters calculated from single gas data measured at pressures up to 2 bar; and a second based on parameters calculated from single gas data measured at pressures from 2 to 30 bar. The two simulations differ in their prediction accuracy. However, they confirm that it is possible to predict the measured permeances in the pressure range up to an average CO(2) fugacity of 6 bar. MDPI 2018-06-05 /pmc/articles/PMC6027195/ /pubmed/29874781 http://dx.doi.org/10.3390/membranes8020027 Text en © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Schuldt, Karina
Pohlmann, Jan
Shishatskiy, Sergey
Brinkmann, Torsten
Applicability of PolyActive™ Thin Film Composite Membranes for CO(2) Separation from C(2)H(4) Containing Multi-Component Gas Mixtures at Pressures up to 30 Bar
title Applicability of PolyActive™ Thin Film Composite Membranes for CO(2) Separation from C(2)H(4) Containing Multi-Component Gas Mixtures at Pressures up to 30 Bar
title_full Applicability of PolyActive™ Thin Film Composite Membranes for CO(2) Separation from C(2)H(4) Containing Multi-Component Gas Mixtures at Pressures up to 30 Bar
title_fullStr Applicability of PolyActive™ Thin Film Composite Membranes for CO(2) Separation from C(2)H(4) Containing Multi-Component Gas Mixtures at Pressures up to 30 Bar
title_full_unstemmed Applicability of PolyActive™ Thin Film Composite Membranes for CO(2) Separation from C(2)H(4) Containing Multi-Component Gas Mixtures at Pressures up to 30 Bar
title_short Applicability of PolyActive™ Thin Film Composite Membranes for CO(2) Separation from C(2)H(4) Containing Multi-Component Gas Mixtures at Pressures up to 30 Bar
title_sort applicability of polyactive™ thin film composite membranes for co(2) separation from c(2)h(4) containing multi-component gas mixtures at pressures up to 30 bar
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6027195/
https://www.ncbi.nlm.nih.gov/pubmed/29874781
http://dx.doi.org/10.3390/membranes8020027
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