Graphical Abstracts
text
article
2020
eng
Special Issue: Membrane Science and Engineering. A Tribute to the Takeshi Matsuura’s Pioneering vision
Journal of Membrane Science and Research
FIMTEC & MPRL
2476-5406
6
v.
1
no.
2020
1
5
https://www.msrjournal.com/article_37207_628bbd0514e9e114fc0a25fb7dec538d.pdf
Membrane Science and Research: A Tribute to Professor Takeshi Matsuura
Dipak
Rana
University of Ottawa
author
text
article
2020
eng
Journal of Membrane Science and Research
FIMTEC & MPRL
2476-5406
6
v.
1
no.
2020
6
8
https://www.msrjournal.com/article_37211_6b053cf6291c9ad59c36a0058c56eab2.pdf
dx.doi.org/10.22079/jmsr.2019.117578.1308
A Letter for Honoring Prof. Takeshi Matsuura
William
Koros
Department of Chemical Engineering
Georgia Institute of Technology,
Atlanta GA 30332, USA
author
text
article
2020
eng
Journal of Membrane Science and Research
FIMTEC & MPRL
2476-5406
6
v.
1
no.
2020
9
9
https://www.msrjournal.com/article_37212_97d97e3c0a73583555b962d59a2c31cd.pdf
dx.doi.org/10.22079/jmsr.2019.116245.1305
Professor Takeshi Matsuura: An Inspiration to Young Membranologists
Nidal
Hilal
College of Engineering,
Swansea University, UK
author
text
article
2020
eng
Journal of Membrane Science and Research
FIMTEC & MPRL
2476-5406
6
v.
1
no.
2020
10
10
https://www.msrjournal.com/article_37213_39b0ade9d1ef2d1fe47c98831bc2a614.pdf
dx.doi.org/10.22079/jmsr.2019.116244.1304
Takeshi Matsuura: A Truly Inspirational Friend and Membrane Scientist
Ahmad Fauzi
Ismail
Advanced Membrane Technology Research Center (AMTEC), UTM, Malaysia
author
text
article
2020
eng
Journal of Membrane Science and Research
FIMTEC & MPRL
2476-5406
6
v.
1
no.
2020
11
12
https://www.msrjournal.com/article_37214_81b77844a789c011bd3c96f49bb5347d.pdf
dx.doi.org/10.22079/jmsr.2019.116243.1303
Effect of Organoclay on the Performance of Reverse Osmosis Membrane
Mohamed Afizal
Mohamed Amin
Advanced Membrane Technology Research Center (AMTEC), Universiti Teknologi Malaysia, Skudai, Johor, Malaysia
author
Pei Sean
Goh
Universiti Teknologi Malaysia
author
Ahmad Fauzi
Ismail
Advanced Membrane Technology Research Center (AMTEC), UTM, Malaysia
author
text
article
2020
eng
This study investigated the effect of Cloisite15A (C15A) organoclay in the substrate layer on the performance of reverse osmosis (RO) membranes. The substrate of the RO membranes was modified using different loading of C15A (ranging from 0.3 - 0.7 wt%) within polysulfone (PSf) substrate and the polyamide (PA) selective layer was formed on the top. Effect of the modified substrate layer on the water flux and salt rejection of the nanocomposite membrane was investigated. The chemical property, morphology, and topography of the membrane surface were characterized by ATR-FTIR, SEM, AFM and contact angle analyzer. The modified membranes showed significantly enhanced pure water flux and salt solution permeability by 60.5 % and 44.3 %, respectively, without sacrificing the salt rejection.
Journal of Membrane Science and Research
FIMTEC & MPRL
2476-5406
6
v.
1
no.
2020
13
19
https://www.msrjournal.com/article_36974_427eb8c95043d19e287725f4e59f6558.pdf
dx.doi.org/10.22079/jmsr.2019.112286.1279
Sustainable Seawater Reverse Osmosis Desalination as Green Desalination in the 21st Century
Masaru
Kurihara
Toray Industries, Inc.
author
text
article
2020
eng
Seawater reverse osmosis desalination (SWRO) requires less energy compared with the distillation method and thus is an important technology except Middle Eastern countries whereenergy costs are higher. Recently, even Middle Eastern countries where the distillation method is still a major technology, have begun adopting the RO method in new desalinationplants in line with government policy and the trend is for the development of larger (in excess of half mega-ton per day or mega-ton per day size) so-called “Mega-SWRO” plants.With these trends in the global market, the requirements of sustainable SWRO desalination as green desalination for the 21st century are summarized under three subjects: 1) Energyresources:Renewable energy, 2) Seawater RO system: Advanced membrane and membrane system, 3) Reduction of marine pollution: Green desalination. The “Mega-ton Water System” projecthas been conducted to solve issues related to subjects 2) and 3) as Japanese national project.a. By combining a low pressure SWRO membrane and a low pressure two-stage high recovery SWRO system, 20% energy reduction was possible. And 30% energy saving in totalwas also possible as the SWRO-PRO hybrid system.b. For low environmental impact as green desalination, less chemical and less chemical cleaning for reliable operation have been established.c. Low-cost renewable energy, particularly solar energy, is now available to solve issues related to subject 1. By combining these sophisticated technologies, the cost of seawaterdesalination will be $ 0.50/ m3/day or less.
Journal of Membrane Science and Research
FIMTEC & MPRL
2476-5406
6
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1
no.
2020
20
29
https://www.msrjournal.com/article_36719_0c3ff485ce853f31b1c8a1c6a2bb98dc.pdf
dx.doi.org/10.22079/jmsr.2019.109807.1272
Correlating Physicochemical Properties of Commercial Membranes with CO2 Absorption Performance in Gas-Liquid Membrane Contactor
Yilin
Xu
Singapore Membrane Technology Centre
author
Chandresh
Malde
Johnson Matthey Technology Centre, UK
author
Rong
Wang
Nanyang Technology University Singapore
author
text
article
2020
eng
The gas-liquid membrane contactor (GLMC) is a promising alternative gas absorption/desorption configuration for effective carbon dioxide (CO2 ) capture. The physicochemical properties of membranes may synergistically affect GLMC performances, especially during the long-term operations. In this work, commercial polypropylene (PP) and polyvinylidene fluoride (PVDF) hollow fiber (HF) membranes were applied to explore the effects of their physicochemical properties on long-term CO2 absorption performances in a bench-scale GLMC rig. PP membranes with pore size of 19 nm, thickness of 0.046 mm, and porosity of 58% achieved high CO2 flux when feeding pure CO2 (5.4 and 24.4×10-3 mol/m2 .s using absorbents of water and 1M monoethanolamine (MEA), respectively) whereas PVDF membranes with pore size of 24 nm, thickness of 0.343 mm, and porosity of 84% presented a good CO2 separation performance from the simulated biogas using 1M MEA (6.8×10-3 mol/m2 .s and 99.9% CH4 recovery). When using water as absorbent, the coupled phenomena of membrane wetting and fouling restricted CO2 transport and resulted in continuous flux loss during the long-term operations. When using MEA as absorbent, both PP and PVDF membranes suffered dramatic flux decline. A series of membrane characterization tests revealed that the morphology, pore size, hydrophobicity, and stability of selected commercial membranes were greatly affected by MEA attack during long-term operations. Therefore, the selection criterion of microporous membranes for high-efficiency and long-term stable CO2 absorption in GLMC processes was proposed. It is envisioned that this study can shed light on improving existing membrane fabrication procedures and the application of novel membrane surface modification techniques to facilitate practical applications of the GLMC technology.
Journal of Membrane Science and Research
FIMTEC & MPRL
2476-5406
6
v.
1
no.
2020
30
39
https://www.msrjournal.com/article_36110_bfe556017b8d6bb6131cdec338abd374.pdf
dx.doi.org/10.22079/jmsr.2019.107096.1262
Seawater Desalination by using Nanofiltration (NF) and Brackish Water Reverse Osmosis (BWRO) Membranes in Sequential Mode of Operation
Cüneyt
Kaya
Ege University
author
Yakubu
Jarma
Chem Eng Dept, Ege University
author
Enver
Guler
Atılım University
author
Nalan
Kabay
Ege University
author
Müşerref
Arda
Ege University
author
Mithat
Yükse
Ege University
author
text
article
2020
eng
In this study, the applicability of nanofiltration (NF) membranes as a pretreatment prior to reverse osmosis (RO) in seawater desalination was investigated. The membranes used wereNF270 and NF90 as the NF membranes, while the brackish water (BW) RO membrane BW30 was used as the RO membrane. In desalination tests, permeates of the NF membraneswere collected and used as the feed to the BW30 membrane. The calculated permeate fluxes were 6.7 L/h.m2, 11.3 L/h.m2, 24.3 L/h.m2, and 36.6 L/h.m2 for single BW30-35 bar,NF270-30 bar + BW30-35 bar, NF90-30 bar + BW30-25 bar and NF90-30 BW30-35 bar, respectively. The calculated water recovery and rejected salt values were 51.6%, 41.4%,24.8%, 15.4% and 98.2%, 98.2%, 96.0%, 91.0% for NF90-30 bar + BW30-35 bar, NF90-30 bar + BW30-25 bar, NF270-30 bar + BW30-35 bar and single BW30-35 bar, respectively.The qualities of the product waters of integrated systems (NF+BWRO) and the single BWRO system were also investigated. Boron rejection was fairly well with average boronrejections of 59.3% and 60.2% by NF90-30 bar + BW30-25 bar and NF90-30 bar + BW30-35 bar combinations, respectively while single BW30-35 bar gave an average rejection of49.6%. The results obtained showed that the quality of product water obtained using single BWRO did not comply with the irrigation standards, while the integrated systems providedtotal compliance to irrigation standards with the exception of boron.
Journal of Membrane Science and Research
FIMTEC & MPRL
2476-5406
6
v.
1
no.
2020
40
46
https://www.msrjournal.com/article_36108_b71cc2d05fa778f3044f580bebd626a8.pdf
dx.doi.org/10.22079/jmsr.2019.107844.1264
Study on Commercial Membranes and Sweeping Gas Membrane Distillation for Concentrating of Glucose Syrup
Mohammad Mahdi
A. Shirazi
Membrane Industry Development Institute, Tehran, Iran
author
Ali
Kargari
Amirkabir University of Technology
author
Dariush
Bastani
Sharif University of Technology
author
Mansoureh
Soleimani
amirkabir university of technology
author
Leila
Fatehi
Department of Chemical Engineering, Faculty of Petroleum and Chemical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
author
text
article
2020
eng
In this work, sweeping gas membrane distillation (SGMD) process was used for concentrating of glucose syrup. The main questions in this work include: is SGMD process practical for concentrating of glucose solution prior the fermentation step in bioethanol process?. and are the commercially available hydrophobic membranes sufficient enough to develop the SGMD process in pilot scale for this issue?. To answer these questions, SGMD process was performed using three commercial membranes made of PP, PVDF and PTFE. All membranes characterized using scanning electron and atomic force microscopes for their morphological and topographical features. Important operating parameters including feed temperature (45-65O C), feed flow rate (400-800 mL/min), feed concentration (10-50 g/L), and gas flow rate (0.113-0.453 N.m3 /h) were studied for their effects on the permeate flux and the optimized parameters were then reported. Moreover, the influence of three flow arrangements of SGMD module (co-current, counter-current and cross-current) on the permeate flux was studied. The best performance (the highest permeate flux and rejection) was achieved when the PTFE membrane (0.22 µm) was used under the optimum operating conditions (feed temperature: 65o C; feed flow rate: 600 mL/min; gas flow rate: 0.453 N.m3 /h; feed flow channel depth: 2 mm; and the cross-current flow arrangement). Results indicated that SGMD process is a promising option for concentrating of the sugar syrup prior the fermentation step in the bioethanol production process.
Journal of Membrane Science and Research
FIMTEC & MPRL
2476-5406
6
v.
1
no.
2020
47
57
https://www.msrjournal.com/article_36244_a249fd244ba85a41c4081c7e783210a6.pdf
dx.doi.org/10.22079/jmsr.2019.105700.1257
Gas Separation Properties of Mixed Matrix Membranes based on Polyimide and Graphite Oxide
Xiao Yuan
Chen
Chemical Engineering Department,
University Laval,Quebec,
author
Tien Binh
Nguyen
Chemical Engineering Department,
University Laval,Quebec
author
Amaya
Romero
Departement of Chemical Engineering, Faculty of Chemical Sciences and Technologies, University of Castilla-la Mancha, Spain
author
Antonio
Paton
Departement of Chemical Engineering, Faculty of Chemical Sciences and Technologies, University of Castilla-la Mancha, Spain
author
Marialuz
sanchez
Departement of Chemical Engineering, Faculty of Chemical Sciences and Technologies, University of Castilla-la Mancha, Spain
author
Joseluis
Valverde
Departement of Chemical Engineering, Faculty of Chemical Sciences and Technologies, University of Castilla-la Mancha, Spain
author
Serge
Kaliaguine
Department of Chemical Engineering, Laval University, Quebec, Canada
author
Denis
Rodrigue
Chemical Engineering Department,
University Laval,Quebec
author
text
article
2020
eng
In this work, three different graphene-based materials, namely graphite oxide (GrO), thermally reduced graphite oxide (T-RGrO) and ascorbic acid multi-phase reduced graphene oxide (AMP-RGO), were synthesized and used to produce mixed matrix membranes (MMM) based on Matrimid®5218 for as separation. From the samples produced, a complete set of characterization was performed including XRD, FTIR, TGA and SEM to relate with the gas separation performance using H2, CO2, O2, N2 and CH4. For all the gases studied, the results showed that membrane permeability was inversely proportional to the gas molecular size. This behavior was associated to multi-phase reduced graphite oxide (AMPRGO) being an excellent gas barrier for large gas molecules, especially for CH4. The results showed that the H2/CH4 ideal selectivity increased to 231 which represents a 328% improvement for M/AMP-RGO 0.1 compared to the neat matrix. The CO2/CH4 selectivity was 79.8 for M/AMP-RGO 0.2 wt.% which represents a 344% improvement compared to the neat polymer. These results confirmed that these membranes can be used for methane separation such as in ammonia plants (H2/CH4) or biogas upgrading/natural gas purification (CO2/CH4).
Journal of Membrane Science and Research
FIMTEC & MPRL
2476-5406
6
v.
1
no.
2020
58
69
https://www.msrjournal.com/article_35072_464aa2548e2a55e01f80f8fddf9b319e.pdf
dx.doi.org/10.22079/jmsr.2019.100069.1244
The Ultrafiltration Performance of Cellulose Acetate Asymmetric Membranes: A New Perspective on the Correlation with the Infrared Spectra
Ana Sofia
Figueiredo
CeFEMA/Depart. of Chem. Eng., IST, UL, Av. Rovisco Pais, 1, 1049-001 Lisbon, Portugal
Depart. of Chem. Eng., ISEL, IPL, Rua Conselheiro Emídio Navarro 1, 1959-007 Lisbon, Portugal
author
Ana
Garcia
Departamento de Química e Farmácia, FCT, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
author
Miguel
Minhalma
CeFEMA/Depart. of Chem. Eng., IST, UL, Av. Rovisco Pais, 1, 1049-001 Lisbon, Portugal
Depart. of Chem. Eng., ISEL, IPL, Rua Conselheiro Emídio Navarro 1, 1959-007 Lisbon, Portugal
author
Laura
Ilharco
Centro de Química-Física Molecular and IBB - Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal
author
Maria
de Pinho
CeFEMA/Department of Chemical Engineering, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1, 1049-001 Lisbon, Portugal
author
text
article
2020
eng
Integral asymmetric cellulose acetate (CA) membranes were casted by phase-inversion with formamide varying content - 22, 30 and 34% - as pore promoter. These membranes, CA-22, CA-30 and CA-34, were analyzed by infrared spectroscopy in attenuated total reflection mode (ATR-FTIR) to investigate the porous membrane matrix influence on the polymer/water/solute interactions and the selective ultrafiltration of salts. The membranes covered a wide range of hydraulic permeabilities, from 3.5 to 81.0 kg.m-2.h-1.bar-1, and of molecular weight cut-offs, from 4.17 to 31.43 kDa. The experimental apparent rejection coefficients of neutral solutes of increasing molecular weight are related to their intrinsic rejection coefficients through the film model. The surface average pore radius, estimated by an iterative algorithm, ranges from 2.1 to 4.5 nm. The tighter membrane, CA-22, displays experimental apparent rejection coefficients to the Na2SO4, CaSO4, MgSO4 of 50% or higher values and this is in contrast with the lower values, between 14 and 18%, to the NaCl, CaCl2 and MgCl2 salts. The ATR-FTIR evidences that in the membranes with larger pores, CA-30 and CA-34, the water molecules are organized with a liquid-water-like structure, in which most molecules are hydrogen bonded to four or to two others; nevertheless, a fraction of water molecules is strongly bonded to the CA carbonyl groups. For the CA-22 membrane, there are more free carbonyl groups and a larger fraction of free water, both able to interact with solutes, such as the hydrated sulphate ions. Therefore, this ultrafiltration membrane has the capability of differentiating anionic species.
Journal of Membrane Science and Research
FIMTEC & MPRL
2476-5406
6
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1
no.
2020
70
80
https://www.msrjournal.com/article_36644_25c036cc2239ed6fd012b3efb744d5ef.pdf
dx.doi.org/10.22079/jmsr.2019.110424.1269
Membrane Condenser for Particulate Abatement from Waste-Gaseous Streams
Mirko
Frappa
ITM-CNR, Via P. Bucci cubo 17/C c/o Università della Calabria 87036 Rende (CS)
author
Adele
Brunetti
ITM-CNR
author
Enrico
Drioli
Istituto per la Tecnologia delle Membrane (ITM-CNR), Italy
author
Zhaoliang
Cui
State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University,
Nanjing 210009, China
author
Jun
Pan
Nanjing Tech University
author
Francesca
Macedonio
National Research Council, Institute on Membrane Technology (ITM–CNR), Via Pietro BUCCI, c/o University of Calabria, Cubo 17C, 87036, Rende, CS, Italy
author
text
article
2020
eng
Membrane Condenser (MC) is a novel membrane contactor operation recently investigated for the valorization of industrial waste gaseous streams. In particular, until now, it was applied for water recovery from flue gas, cooling tower plumes, etc. More recently, its effectiveness and flexibility in contaminants (such as, NH3 , HF, SO2 ) removal and control from waste gaseous streams was also proved. In the present work, the application of membrane condenser for water recovery as well as microparticles removal from gaseous streams are presented. Experimental tests showed that microparticles did not affect membrane condenser performance, neither in terms of water recovery nor in term of fouling. Moreover, the carried-out tests revealed also that the complete retention of particles can be achieved only through the proper choice of the membrane, with pore size lower than particles diameter.
Journal of Membrane Science and Research
FIMTEC & MPRL
2476-5406
6
v.
1
no.
2020
81
89
https://www.msrjournal.com/article_36914_2dc0060bccc0b951159ad80f883611cc.pdf
dx.doi.org/10.22079/jmsr.2019.112686.1282
Activator Generated Electron Transfer Combined Atom Transfer Radical Polymerization (AGET-ATRP) for Controlled Grafting Location of Glycidyl Methacrylate on Regenerated Cellulose Ultrafiltration Membranes
Arijit
Sengupta
Radiochemistry Division, RLG, Bhabha Atomic Research Centre, Mumbai, Trombay, Maharashtra, 400085
author
Ranil
Wickramasinghe
Ross E Martin Chair in Emerging Technologies
Director, Membrane Science, Engineering & Technology (MAST) Center
University of Arkansas,
Ralph E Martin Department of Chemical Engineering,
1475 W Cato Spring Road,
Fayetteville, AR 72701, USA
author
text
article
2020
eng
This investigation indicates the ability to selectively graft glycidyl methacrylate (GMA) only from the external surface of regenerated cellulose (RC) ultrafiltration (UF) membranes using activator generated electron transfer (AGET) atom transfer radical polymerization (ATRP). This controlled polymerization resulted in epoxy functionalized polymer brush ends. Further reaction of the terminal epoxy groups provides a flexible platform to introduce desired functionalities either by electrophilic or nucleophilic epoxy ring opening. Selective grafting from the external membrane surface was achieved by using an appropriate pore filling solvent prior to modification. A high viscosity pore filling solvent that is immiscible with the reactive monomer solution used during surface modification was the most effective in supressing grafting from the internal pore surface. The effects of grafting on membrane performance were evaluated by determining water permeability and protein rejection.
Journal of Membrane Science and Research
FIMTEC & MPRL
2476-5406
6
v.
1
no.
2020
90
98
https://www.msrjournal.com/article_36645_37145717ad8b488f68e87bd9fe8ef898.pdf
dx.doi.org/10.22079/jmsr.2019.109047.1266
Development of Palladium-Alloy Membranes for Hydrogen Separation and Purification
Anwu
LI
NORAM Engineering
author
Tony
Boyd
NORAM Engineering and Constructors,
Suite 1800 - 200 Granville Street
Vancouver British Columbia
Canada V6C 1S4
author
Jim
Lim
Department of Chemical and Biological Engineering, University of British Columbia
author
John
Grace
Dept. of Chemical & Biological Engineering
University of British Columbia
author
text
article
2020
eng
This paper summarizes R&D activities and progress at NORAM Engineering and the University of British Columbia (UBC) on preparation and testing of thin palladium-based membranes and their applications. Most of these activities were carried out internally at NORAM, some jointly with UBC and their spin-off company, Membrane Reactor Technology (MRT) through a wide range of projects. Key results outlined in this paper include: 1) modularization and applications of foil-based Pd alloy membranes with inter-diffusion barriers; 2) preparing and characterizing thin Pd composite membranes; 3) development of Pd-Ru membranes by electroless plating for enhanced stability at higher temperatures; 4) production of palladium membranes for application in hydrogen separation and hydrogen production by fluidized bed membrane reactors.
Journal of Membrane Science and Research
FIMTEC & MPRL
2476-5406
6
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1
no.
2020
99
106
https://www.msrjournal.com/article_36722_5780b38e37525dcdd5f268e77a0b80fd.pdf
dx.doi.org/10.22079/jmsr.2019.110711.1271
Membrane Distillation for Water Recovery and Its Fouling Phenomena
Chang
Ying Shi
School of Chemical Engineering, Universiti Sains Malaysia, Pulau Pinang, Malaysia
author
Lyly Leow
Hui Ting
School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, Pulau Pinang
author
Ooi
Boon Seng
Universiti Sains Malaysia
author
text
article
2020
eng
The total volume of water on Earth is circa 300 million cubic miles, with close to 98.0% being salt water and the remaining 2.0% fresh water. It has been increasingly more challenging to harvest fresh water from surface water, seawater and even from wastewater due to the combination of factors, viz. burgeoning population growth, rapid industrialization and climate change. Recently, membrane distillation (MD) emerges as a promising cost-effective thermal driven sustainable water recovery technology when integrated with renewable energy sources. However, one of the major challenges for MD is the membrane fouling, which has been gaining popularity in the recent literature, as well. The membrane fouling propensity for MD is very much depends on the type of feed water, suitability of membrane and the operating conditions. The objective of this review is to investigate the fouling phenomena of membrane distillation in wastewater treatment and desalination. The design of membrane and its system from the perspective of material and process design were discussed to provide an insight on the current and future advancement in MD technology for water recovery. Finally, the future trend of MD is projected based on the state of the art development of MD process.
Journal of Membrane Science and Research
FIMTEC & MPRL
2476-5406
6
v.
1
no.
2020
107
124
https://www.msrjournal.com/article_36907_10c28ed2330764962a8771f25381b0c7.pdf
dx.doi.org/10.22079/jmsr.2019.111501.1277
Gas Permeation Modeling through a Multilayer Hollow Fiber Composite Membrane
Abtin
Ebadi Amooghin
Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak 38156-8-8349, Iran
author
Saman
Mirrezaei
Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak 38156-8-8349, Iran
author
Hamidreza
Sanaeepur
Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak 38156-8-8349, Iran
author
Mohammad Mehdi
Moftakhari Sharifzadeh
Department of Petroleum and Chemical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
author
text
article
2020
eng
In this study, a time-dependent 2D axisymmetric model of a multilayer hollow fiber composite membrane for gas separation is proposed. In spite of the common multilayer membranes, which a dense layer coated on a porous support layer and subjected into the feed stream, here, the porous support is exposed to the feed gas. In this regard, the governing equations of species transport are developed for model domains and then solved by a finite element method (FEM). Gas permeation properties of pure H2 , O2 , N2 , CH4 , CO2 and He are calculated and validated with experimental data with good conformity. Obtained results indicate that with increasing the temperature, the permeability and diffusion coefficient increased while the solubility decreased. Moreover, the permeability and solubility variations with temperature for a heavier gas, CO2 , were higher than those for the lighter ones, while the diffusion coefficient variation with temperature for the lither gas, such as He, was more than the heavier ones. By increasing the CO2 feed stream temperature from 25 to 75°C, its permeability and diffusion coefficient increased respectively from 245 to 307 Barrer and from 205 to 282×10-12 m2 /s, while the CO2 solubility decreased from 0.85 to 0.76 cm3.cm3.bar1. In the case of He and for the same temperature variation range, its permeability and diffusion coefficient increased respectively from 39 to 42 Barrer and from 2180 to 2834 10-12 m2 /s, while the solubility of He decreased from 0.013 to 0.011 cm3 .cm-3.bar-1.
Journal of Membrane Science and Research
FIMTEC & MPRL
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1
no.
2020
125
134
https://www.msrjournal.com/article_36906_f50628ed8239f8d8a6efdae8a62038eb.pdf
dx.doi.org/10.22079/jmsr.2019.112328.1281