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      Effect of Humidity on CO 2/N 2 and CO 2/CH 4 Separation Using Novel Robust Mixed Matrix Composite Hollow Fiber Membranes: Experimental and Model Evaluation

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          Abstract

          In this work, the performance of new robust mixed matrix composite hollow fiber (MMCHF) membranes with a different selective layer composition is evaluated in the absence and presence of water vapor in CO 2/N 2 and CO 2/CH 4 separation. The selective layer of these membranes is made of highly permeable hydrophobic poly(trimethyl-1-silylpropine) (PTMSP) and hydrophilic chitosan-ionic liquid (IL-CS) hybrid matrices, respectively, filled with hydrophilic zeolite 4A particles in the first case and HKUST-1 nanoparticles in the second, coated over compatible supports. The effect of water vapor in the feed or using a commercial hydrophobic PDMSXA-10 HF membrane has also been studied for comparison. Mixed gas separation experiments were performed at values of 0 and 50% relative humidity (RH) in the feed and varying CO 2 concentration in N 2 and CH 4, respectively. The performance has been validated by a simple mathematical model considering the effect of temperature and relative humidity on membrane permeability.

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          Maximizing the right stuff: The trade-off between membrane permeability and selectivity

          Ho Bum Park, Jovan Kamcev, Lloyd Robeson … (2017)
          Article 0 comments Cited 492 times – based on 0 reviews     Review now
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            Current status and development of membranes for CO2/CH4 separation: A review

            Shaomin Liu, Yuan Zhang, Jaka Sunarso … (2013)
            Article 0 comments Cited 93 times – based on 0 reviews     Review now
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              Membrane-based technologies for biogas separations.

              Chunqing Liu, Asim L Khan, Angels Cano-Odena … (2010)
              Over the past two decades, membrane processes have gained a lot of attention for the separation of gases. They have been found to be very suitable for wide scale applications owing to their reasonable cost, good selectivity and easily engineered modules. This critical review primarily focuses on the various aspects of membrane processes related to the separation of biogas, more in specific CO(2) and H(2)S removal from CH(4) and H(2) streams. Considering the limitations of inorganic materials for membranes, the present review will only focus on work done with polymeric materials. An overview on the performance of commercial membranes and lab-made membranes highlighting the problems associated with their applications will be given first. The development studies carried out to enhance the performance of membranes for gas separation will be discussed in the subsequent section. This review has been broadly divided into three sections (i) performance of commercial polymeric membranes (ii) performance of lab-made polymeric membranes and (iii) performance of mixed matrix membranes (MMMs) for gas separations. It will include structural modifications at polymer level, polymer blending, as well as synthesis of mixed matrix membranes, for which addition of silane-coupling agents and selection of suitable fillers will receive special attention. Apart from an overview of the different membrane materials, the study will also highlight the effects of different operating conditions that eventually decide the performance and longevity of membrane applications in gas separations. The discussion will be largely restricted to the studies carried out on polyimide (PI), cellulose acetate (CA), polysulfone (PSf) and polydimethyl siloxane (PDMS) membranes, as these membrane materials have been most widely used for commercial applications. Finally, the most important strategies that would ensure new commercial applications will be discussed (156 references).
              Article 0 comments Cited 91 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (nlm-ta): Membranes (Basel)
                Journal ID (iso-abbrev): Membranes (Basel)
                Journal ID (publisher-id): membranes
                Title: Membranes
                Publisher: MDPI
                ISSN (Electronic): 2077-0375
                Publication date (Electronic): 30 December 2019
                Publication date Collection: January 2020
                Volume: 10
                Issue: 1
                Electronic Location Identifier: 6
                Affiliations
                Department of Chemical and Biomolecular Engineering, Universidad de Cantabria, s/n, 39005 Santander, Spain; fbarquina@ 123456unican.es (A.F.-B.); irabienj@ 123456unican.es (A.I.)
                Author notes
                [* ]Correspondence: casadoc@ 123456unican.es ; Tel.: +34-942-20-6777
                Author information
                https://orcid.org/0000-0002-4454-7652
                https://orcid.org/0000-0002-2411-4163
                Article
                Publisher ID: membranes-10-00006
                DOI: 10.3390/membranes10010006
                PMC ID: 7023317
                PubMed ID: 31905891
                SO-VID: 01311444-fe36-4990-9707-43dfb3facde8
                Copyright © © 2019 by the authors.
                License:

                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/).

                History
                Date received : 29 November 2019
                Date accepted : 23 December 2019
                Categories
                Subject: Article

                Keywords: mixed matrix,composite hollow fiber membrane,co2 separation,humid gas streams,modeling validation
                Data availability:
                Keywords: mixed matrix, composite hollow fiber membrane, co2 separation, humid gas streams, modeling validation

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