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Mohd Ibrahim S, Sawamura KI, Mishina K, Yu X, Salak F, Miyata S, Moriyama N, Nagasawa H, Kanezashi M, Tsuru T. Bis(triethoxysilyl)ethane (BTESE)-Organosilica Membranes for H 2O/DMF Separation in Reverse Osmosis (RO): Evaluation and Correlation of Subnanopores via Nanopermporometry (NPP), Modified Gas Translation (mGT) and RO Performance. MEMBRANES 2023; 14:8. [PMID: 38248698 PMCID: PMC10819068 DOI: 10.3390/membranes14010008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 12/05/2023] [Accepted: 12/22/2023] [Indexed: 01/23/2024]
Abstract
A 40 cm length Bis(triethoxysilyl)ethane (BTESE) membrane having different pore sizes was successfully prepared by changing the number of coating times for gas permeation (GP) and organic solvent reverse osmosis (OSRO) separation study. It was found that BTESE-6 membranes prepared through six-time coating consisted of small-sized pores in the range 0.56 to 0.64 nm estimated using modified Gas Translation (mGT) method and 0.59 to 0.67 nm estimated by nanopermporometry (NPP) method, respectively. These membranes demonstrated a high DMF rejection, RDMF > 95% with total flux, Jv total > 5 kg m-2 h-1 at operating condition feed pressure, Pf: 8 MPa; feed temperature, Tf : 50 °C; and feed flowrate, Qf : 30 mL/min; and they exhibited a high degree selectivity of He/SF6 in the range of ~ 260-3400 at a permeation temperature 200 °C. On the other hand, the larger pore sizes of the BTESE-4 membranes (pore size estimates > 0.76 nm to 1.02 nm) exhibited low DMF rejection and a low degree selectivity of He/SF6 around ~30% and 25, respectively, at the same operating condition as BTESE-6. Both GT and NPP methods can be considered as an indicator of the measurement membrane pore size. From this study, it was found that He and SF6 gases can be some of the potential predictors for water and DMF permeance. Furthermore, by comparing our OSRO membrane with other PV membranes for DMF/H2O separation, our BTESE-6 membranes still exhibited high flux in the range of 3-6 kg m-2 h-1 with a separation factor H2O/DMF in the range of 80-120.
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Affiliation(s)
- Suhaina Mohd Ibrahim
- eSep Inc., Keihanna Open Innovation Center @ Kyoto (KICK), Annex 320, 7-5-1 Seikadai, Seika-cho, Soraku-gun, Kyoto 619-0238, Japan; (K.M.); (X.Y.); (S.M.)
| | - Ken-ichi Sawamura
- eSep Inc., Keihanna Open Innovation Center @ Kyoto (KICK), Annex 320, 7-5-1 Seikadai, Seika-cho, Soraku-gun, Kyoto 619-0238, Japan; (K.M.); (X.Y.); (S.M.)
| | - Kengo Mishina
- eSep Inc., Keihanna Open Innovation Center @ Kyoto (KICK), Annex 320, 7-5-1 Seikadai, Seika-cho, Soraku-gun, Kyoto 619-0238, Japan; (K.M.); (X.Y.); (S.M.)
| | - Xin Yu
- eSep Inc., Keihanna Open Innovation Center @ Kyoto (KICK), Annex 320, 7-5-1 Seikadai, Seika-cho, Soraku-gun, Kyoto 619-0238, Japan; (K.M.); (X.Y.); (S.M.)
| | - Feridoun Salak
- eSep Inc., Keihanna Open Innovation Center @ Kyoto (KICK), Annex 320, 7-5-1 Seikadai, Seika-cho, Soraku-gun, Kyoto 619-0238, Japan; (K.M.); (X.Y.); (S.M.)
| | - Shigeru Miyata
- eSep Inc., Keihanna Open Innovation Center @ Kyoto (KICK), Annex 320, 7-5-1 Seikadai, Seika-cho, Soraku-gun, Kyoto 619-0238, Japan; (K.M.); (X.Y.); (S.M.)
| | - Norihiro Moriyama
- Department of Chemical Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima 739-8527, Japan; (N.M.); (H.N.); (M.K.); (T.T.)
| | - Hiroki Nagasawa
- Department of Chemical Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima 739-8527, Japan; (N.M.); (H.N.); (M.K.); (T.T.)
| | - Masakoto Kanezashi
- Department of Chemical Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima 739-8527, Japan; (N.M.); (H.N.); (M.K.); (T.T.)
| | - Toshinori Tsuru
- Department of Chemical Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima 739-8527, Japan; (N.M.); (H.N.); (M.K.); (T.T.)
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Padinjarekutt S, Sengupta B, Li H, Friedman K, Behera D, Lecaros R, Yu M. Synthesis of Na+-gated nanochannel membranes for the ammonia (NH3) separation. J Memb Sci 2023. [DOI: 10.1016/j.memsci.2023.121512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
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3
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Zhang N, Li Q, Li C, Li Z, Zhao L, Zhang X, Wang Y, Li Z, Dou X, Cui W, Li S. Highly ordered mesostructured flexible silica-based nanofiltration membrane with satisfactory acid, chlorine, and fouling resistances. J Memb Sci 2023. [DOI: 10.1016/j.memsci.2023.121635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
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5
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Si D, Zhu M, Sun X, Xue M, Li Y, Wu T, Gui T, Kumakiri I, Chen X, Kita H. Formation process and pervaporation of high aluminum ZSM-5 zeolite membrane with fluoride-containing and organic template-free gel. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117963] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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6
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Improved performance of vacuum membrane distillation in desalination with zeolite membranes. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2019.116376] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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7
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A review on thermally stable membranes for water treatment: Material, fabrication, and application. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2019.116223] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Li J, Rong H, Chen Y, Zhang H, Liu TX, Yuan Y, Zou X, Zhu G. Screen printing directed synthesis of covalent organic framework membranes with water sieving property. Chem Commun (Camb) 2020; 56:6519-6522. [DOI: 10.1039/d0cc02907f] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
An effective approach of screen printing has been developed to direct the synthesis of continuous COF membranes. The prepared membranes exhibit fast and selective water permeation properties.
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Affiliation(s)
- Jialu Li
- Department of Chemistry
- Jilin University
- Changchun 130012
- China
- Faculty of Chemistry
| | - Huazhen Rong
- Faculty of Chemistry
- Northeast Normal University
- Changchun 130024
- China
| | - Yifan Chen
- Department of Chemistry
- Jilin University
- Changchun 130012
- China
| | - Hao Zhang
- Faculty of Chemistry
- Northeast Normal University
- Changchun 130024
- China
| | - Terence Xiaoteng Liu
- Department of Mechanical and Construction Engineering
- Faculty of Engineering and Environment
- Northumbria University
- Newcastle upon Tyne
- UK
| | - Ye Yuan
- Faculty of Chemistry
- Northeast Normal University
- Changchun 130024
- China
| | - Xiaoqin Zou
- Faculty of Chemistry
- Northeast Normal University
- Changchun 130024
- China
| | - Guangshan Zhu
- Faculty of Chemistry
- Northeast Normal University
- Changchun 130024
- China
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9
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Surfactant-Assisted Fabrication of Alumina-Doped Amorphous Silica Nanofiltration Membranes with Enhanced Water Purification Performances. NANOMATERIALS 2019; 9:nano9101368. [PMID: 31554232 PMCID: PMC6836250 DOI: 10.3390/nano9101368] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Revised: 09/17/2019] [Accepted: 09/20/2019] [Indexed: 11/16/2022]
Abstract
Surfactant-templated 5 mol% Al2O3-doped silica membranes nanofiltration membranes were synthesized via the sol-gel method, and afterward, were optimized, and tested with respect to the permeability and rejection rate. The disordered silica network was stabilized by doping 5 mol% alumina. Tetraethyl orthosilicate and aluminum isopropoxide were used as the silica and alumina precursors, respectively. Cetyltrimethylammonium bromide (CTAB) was used not only as a pore-forming agent, but also to control the reaction rate of the aluminum isopropoxide, thus obtaining highly homogeneous materials. The results about filtration of model solutions showed that the optimized membranes are featured by both a relatively high water permeability (1.1–2.3 L·m−2·h−1 ·bar−1) and a high rejection for salts (74% for NaCl, and >95% for MgSO4 and Na2SO4) and organic pollutants (e.g., about 98% for caffeine). High rejection of divalent ions and organic molecules was also observed when a real wastewater effluent was filtered. The influence of the synthesis conditions on the membrane performance is discussed.
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Ishii K, Ikeda A, Takeuchi T, Yoshiura J, Nomura M. Silica-Based RO Membranes for Separation of Acidic Solution. MEMBRANES 2019; 9:membranes9080094. [PMID: 31374961 PMCID: PMC6723749 DOI: 10.3390/membranes9080094] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 07/23/2019] [Accepted: 07/25/2019] [Indexed: 11/27/2022]
Abstract
The development of acid separation membranes is important. Silica-based reverse osmosis (RO) membranes for sulfuric acid (H2SO4) solution separation were developed by using a counter diffusion chemical vapor deposition (CVD) method. Diphenyldimethoxysilane (DPhDMOS) was used as a silica precursor. The deposited membrane showed the H2SO4 rejection of 81% with a total flux of 5.8 kg m−2 h−1 from the 10−3 mol L−1 of H2SO4. The γ-alumina substrate was damaged by the permeation of the H2SO4 solution. In order to improve acid stability, the silica substrates were developed. The acid stability was checked by the gas permeation tests after immersing in 1 mol L−1 of the H2SO4 solution for 24 h. The N2 permeance decreased by 11% with the acid treatment through the silica substrate, while the permeance decreased to 94% through the γ-alumina substrate. The flux and the rejection through the DPhDMOS-derived membrane on the silica substrate were stable in the 70 wt % H2SO4 solution.
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Affiliation(s)
- Katsunori Ishii
- Department of Applied Chemistry, Shibaura Institute of Technology, 3-7-5 Toyosu, Koto-ku, Tokyo 135-8548, Japan
| | - Ayumi Ikeda
- National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
| | - Toshichika Takeuchi
- Department of Applied Chemistry, Shibaura Institute of Technology, 3-7-5 Toyosu, Koto-ku, Tokyo 135-8548, Japan
| | - Junko Yoshiura
- Department of Applied Chemistry, Shibaura Institute of Technology, 3-7-5 Toyosu, Koto-ku, Tokyo 135-8548, Japan
| | - Mikihiro Nomura
- Department of Applied Chemistry, Shibaura Institute of Technology, 3-7-5 Toyosu, Koto-ku, Tokyo 135-8548, Japan.
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11
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Singha NR, Karmakar M, Chattopadhyay PK, Roy S, Deb M, Mondal H, Mahapatra M, Dutta A, Mitra M, Roy JSD. Structures, Properties, and Performances-Relationships of Polymeric Membranes for Pervaporative Desalination. MEMBRANES 2019; 9:E58. [PMID: 31052381 PMCID: PMC6572519 DOI: 10.3390/membranes9050058] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 04/18/2019] [Accepted: 04/19/2019] [Indexed: 12/03/2022]
Abstract
For the fulfilment of increasing global demand and associated challenges related to the supply of clean-and-safe water, PV has been considered as one of the most attractive and promising areas in desalinating salty-water of varied salinities. In pervaporative desalination, the sustainability, endurance, and structural features of membrane, along with operating parameters, play the dominant roles and impart paramount impact in governing the overall PV efficiency. Indeed, polymeric- and organic-membranes suffer from several drawbacks, including inferior structural stability and durability, whereas the fabrication of purely inorganic membranes is complicated and costly. Therefore, recent development on the high-performance and cost-friendly PV membrane is mostly concentrated on synthesizing composite- and NCP-membranes possessing the advantages of both organic- and inorganic-membranes. This review reflects the insights into the physicochemical properties and fabrication approaches of different classes of PV membranes, especially composite- and NCP-membranes. The mass transport mechanisms interrelated to the specialized structural features have been discussed. Additionally, the performance potential and application prospects of these membranes in a wide spectrum of desalination and wastewater treatment have been elaborated. Finally, the challenges and future perspectives have been identified in developing and scaling up different high-performance membranes suitable for broader commercial applications.
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Affiliation(s)
- Nayan Ranjan Singha
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata 700106, West Bengal, India.
| | - Mrinmoy Karmakar
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata 700106, West Bengal, India.
| | - Pijush Kanti Chattopadhyay
- Department of Leather Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata 700106, West Bengal, India.
| | - Sagar Roy
- Department of Chemistry & Environmental Science, New Jersey Institute of Technology, Newark, NJ 07102, USA.
| | - Mousumi Deb
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata 700106, West Bengal, India.
| | - Himarati Mondal
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata 700106, West Bengal, India.
| | - Manas Mahapatra
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata 700106, West Bengal, India.
| | - Arnab Dutta
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata 700106, West Bengal, India.
| | - Madhushree Mitra
- Department of Leather Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata 700106, West Bengal, India.
| | - Joy Sankar Deb Roy
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata 700106, West Bengal, India.
- Department of Leather Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata 700106, West Bengal, India.
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12
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Li J, Shi C, Zhang H, Zhang X, Wei Y, Jiang K, Zhang B. Silicalite-1 zeolite membrane: Synthesis by seed method and application in organics removal. CHEMOSPHERE 2019; 218:984-991. [PMID: 30609504 DOI: 10.1016/j.chemosphere.2018.11.215] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Revised: 11/27/2018] [Accepted: 11/30/2018] [Indexed: 06/09/2023]
Abstract
Silicalite-1 (S-1) zeolite membrane synthesized by seed method with superior features attracts intensive attentions, while the influences of key parameters during synthesis process and its applications for organics removal require further investigation. This study revealed the morphology and the structure of the prepared membranes under different crystallization temperatures and seed concentrations by using a suite of characterization methods. The as-prepared membrane under optimal condition (crystallization temperature of 175 °C and seed concentration of 1.0 wt. %) possessed high membrane integrity, with ideal separation factor of 4.0. It also exhibited outstanding performance for organics removal, with dyes retention of 99.9% and 99.2% for 500 mg L-1 neutral red and 500 mg L-1 methyl blue, respectively. Excellent antifouling property of the synthesized membrane was also proved. Results of this work can guide the characteristic improvement of the S-1 zeolite membrane by adjusting key parameters and broaden its applications in dye wastewater treatment.
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Affiliation(s)
- Jiexin Li
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, PR China; Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, Beijing 100083, PR China
| | - Chunhong Shi
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, PR China; Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, Beijing 100083, PR China.
| | - Huifeng Zhang
- The Institute of Seawater Desalination and Multipurpose Utilization, State Oceanic Administration, Tianjin 300192, PR China
| | - Xinfei Zhang
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, PR China; Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, Beijing 100083, PR China
| | - Yangyang Wei
- The Institute of Seawater Desalination and Multipurpose Utilization, State Oceanic Administration, Tianjin 300192, PR China
| | - Kai Jiang
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, PR China; Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, Beijing 100083, PR China
| | - Baogang Zhang
- School of Water Resources and Environment, MOE Key Laboratory of Groundwater Circulation and Environmental Evolution, China University of Geosciences (Beijing), Beijing 100083, PR China.
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13
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Cao Z, Zeng S, Xu Z, Arvanitis A, Yang S, Gu X, Dong J. Ultrathin ZSM-5 zeolite nanosheet laminated membrane for high-flux desalination of concentrated brines. SCIENCE ADVANCES 2018; 4:eaau8634. [PMID: 30480094 PMCID: PMC6251719 DOI: 10.1126/sciadv.aau8634] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Accepted: 10/24/2018] [Indexed: 05/09/2023]
Abstract
The tremendous potential of zeolite membranes for efficient molecular separation via size-exclusion effects is highly desired by the energy and chemical industries, but its practical realization has been hindered by nonselective permeation through intercrystalline spaces and high resistance to intracrystalline diffusion in the conventional zeolite membranes of randomly oriented polycrystalline structures. Here, we report the synthesis of ZSM-5 zeolite nanosheets with very large aspect ratios and nanometer-scale thickness in the preferred straight channel direction. We used these ZSM-5 nanosheets to fabricate ultrathin (<500 nm) laminated membranes on macroporous alumina substrates by a simple dip-coating process and subsequent consolidation via vapor-phase crystallization. This ultrathin b-oriented ZSM-5 membrane has demonstrated extraordinary water flux combined with high salt rejection in pervaporation desalination for brines containing up to 24 weight % of dissolved NaCl. The ZSM-5 nanosheets may also offer opportunities to developing high-performance battery ion separators, catalysts, adsorbents, and thin-film sensors.
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Affiliation(s)
- Zishu Cao
- Department of Chemical and Environmental Engineering, University of Cincinnati, Cincinnati, OH 45221, USA
| | - Shixuan Zeng
- Department of Chemical and Environmental Engineering, University of Cincinnati, Cincinnati, OH 45221, USA
| | - Zhi Xu
- Department of Chemical and Environmental Engineering, University of Cincinnati, Cincinnati, OH 45221, USA
| | - Antonios Arvanitis
- Department of Chemical and Environmental Engineering, University of Cincinnati, Cincinnati, OH 45221, USA
| | - Shaowei Yang
- Department of Chemical and Environmental Engineering, University of Cincinnati, Cincinnati, OH 45221, USA
| | - Xuehong Gu
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, 5 Xinmofan Road, Nanjing 210009, PR China
| | - Junhang Dong
- Department of Chemical and Environmental Engineering, University of Cincinnati, Cincinnati, OH 45221, USA
- Corresponding author.
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14
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Fu D, Schmidt JE, Pletcher P, Karakiliç P, Ye X, Vis CM, Bruijnincx PCA, Filez M, Mandemaker LDB, Winnubst L, Weckhuysen BM. Uniformly Oriented Zeolite ZSM-5 Membranes with Tunable Wettability on a Porous Ceramic. Angew Chem Int Ed Engl 2018; 57:12458-12462. [PMID: 30039907 PMCID: PMC6391953 DOI: 10.1002/anie.201806361] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Indexed: 11/10/2022]
Abstract
Facile fabrication of well-intergrown, oriented zeolite membranes with tunable chemical properties on commercially proven substrates is crucial to broadening their applications for separation and catalysis. Rationally determined electrostatic adsorption can enable the direct attachment of a b-oriented silicalite-1 monolayer on a commercial porous ceramic substrate. Homoepitaxially oriented, well-intergrown zeolite ZSM-5 membranes with a tunable composition of Si/Al=25-∞ were obtained by secondary growth of the monolayer. Intercrystallite defects can be eliminated by using Na+ as the mineralizer to promote lateral crystal growth and suppress surface nucleation in the direction of the straight channels, as evidenced by atomic force microscopy measurements. Water permeation testing shows tunable wettability from hydrophobic to highly hydrophilic, giving the potential for a wide range of applications.
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Affiliation(s)
- Donglong Fu
- Debye Institute for Nanomaterials ScienceFaculty of ScienceUtrecht UniversityUniversiteitsweg 993584CGUtrechtThe Netherlands
| | - Joel E. Schmidt
- Debye Institute for Nanomaterials ScienceFaculty of ScienceUtrecht UniversityUniversiteitsweg 993584CGUtrechtThe Netherlands
| | - Paul Pletcher
- Debye Institute for Nanomaterials ScienceFaculty of ScienceUtrecht UniversityUniversiteitsweg 993584CGUtrechtThe Netherlands
| | - Pelin Karakiliç
- Inorganic MembranesMESA+ Institute for NanotechnologyUniversity of Twente7500AEEnschedeThe Netherlands
| | - Xinwei Ye
- Debye Institute for Nanomaterials ScienceFaculty of ScienceUtrecht UniversityUniversiteitsweg 993584CGUtrechtThe Netherlands
| | - Carolien M. Vis
- Debye Institute for Nanomaterials ScienceFaculty of ScienceUtrecht UniversityUniversiteitsweg 993584CGUtrechtThe Netherlands
| | - Pieter C. A. Bruijnincx
- Debye Institute for Nanomaterials ScienceFaculty of ScienceUtrecht UniversityUniversiteitsweg 993584CGUtrechtThe Netherlands
| | - Matthias Filez
- Debye Institute for Nanomaterials ScienceFaculty of ScienceUtrecht UniversityUniversiteitsweg 993584CGUtrechtThe Netherlands
| | - Laurens D. B. Mandemaker
- Debye Institute for Nanomaterials ScienceFaculty of ScienceUtrecht UniversityUniversiteitsweg 993584CGUtrechtThe Netherlands
| | - Louis Winnubst
- Inorganic MembranesMESA+ Institute for NanotechnologyUniversity of Twente7500AEEnschedeThe Netherlands
| | - Bert M. Weckhuysen
- Debye Institute for Nanomaterials ScienceFaculty of ScienceUtrecht UniversityUniversiteitsweg 993584CGUtrechtThe Netherlands
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15
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Fu D, Schmidt JE, Pletcher P, Karakiliç P, Ye X, Vis CM, Bruijnincx PCA, Filez M, Mandemaker LDB, Winnubst L, Weckhuysen BM. Uniformly Oriented Zeolite ZSM-5 Membranes with Tunable Wettability on a Porous Ceramic. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201806361] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Donglong Fu
- Debye Institute for Nanomaterials Science; Faculty of Science; Utrecht University; Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Joel E. Schmidt
- Debye Institute for Nanomaterials Science; Faculty of Science; Utrecht University; Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Paul Pletcher
- Debye Institute for Nanomaterials Science; Faculty of Science; Utrecht University; Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Pelin Karakiliç
- Inorganic Membranes; MESA+ Institute for Nanotechnology; University of Twente; 7500 AE Enschede The Netherlands
| | - Xinwei Ye
- Debye Institute for Nanomaterials Science; Faculty of Science; Utrecht University; Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Carolien M. Vis
- Debye Institute for Nanomaterials Science; Faculty of Science; Utrecht University; Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Pieter C. A. Bruijnincx
- Debye Institute for Nanomaterials Science; Faculty of Science; Utrecht University; Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Matthias Filez
- Debye Institute for Nanomaterials Science; Faculty of Science; Utrecht University; Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Laurens D. B. Mandemaker
- Debye Institute for Nanomaterials Science; Faculty of Science; Utrecht University; Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Louis Winnubst
- Inorganic Membranes; MESA+ Institute for Nanotechnology; University of Twente; 7500 AE Enschede The Netherlands
| | - Bert M. Weckhuysen
- Debye Institute for Nanomaterials Science; Faculty of Science; Utrecht University; Universiteitsweg 99 3584 CG Utrecht The Netherlands
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17
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Wang Y, Zou X, Sun L, Rong H, Zhu G. A zeolite-like aluminophosphate membrane with molecular-sieving property for water desalination. Chem Sci 2018; 9:2533-2539. [PMID: 29732131 PMCID: PMC5909670 DOI: 10.1039/c7sc04974a] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 01/24/2018] [Indexed: 11/24/2022] Open
Abstract
A fascinating membrane material composed of polycrystalline zeolite-like aluminophosphate with narrow pore and high water uptake is well developed, which exhibits superior desalination performance in terms of excellent ion rejection and record water flux.
Membrane desalination has been proposed as a promising strategy to address the worldwide challenge of water scarcity. The development of membrane desalination is impeded by the limited availability of membrane materials, thus, selective membranes with high water fluxes are in high demand. Therefore, the synthesis of a zeolite-like aluminophosphate membrane for water desalination is reported herein. An AlPO4-18 membrane without visible cracks was prepared on stainless steel nets via a seeded approach. The specific adsorption and diffusion properties of the AlPO4-18 membrane toward water were simultaneously investigated by vapor adsorption measurements and molecular simulation. A large adsorption capacity indicates the excellent water affinity of the AlPO4-18 membrane, and water gathering around other water molecules suggests stronger water–water interactions than framework–water interactions. Meanwhile, water molecules transport rapidly through the pores, assisted by a built-in pathway and directed diffusion. The as-synthesized membranes are further evaluated for water desalination. The desalination tests of seawater containing both single and multi-component ions demonstrate that the AlPO4-18 membrane is very selective for water transport, evidenced by very high rejection degrees for cations (>99%). Moreover, the AlPO4-18 membrane exhibits unprecedented high water fluxes (2.14 kg m–2 h–1 in average). The superior performances of good selectivity, high water permeability and high stability ensure the potential application of supported aluminophosphate membranes in desalination.
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Affiliation(s)
- Yanju Wang
- Faculty of Chemistry , Northeast Normal University , Changchun 130024 , P. R. China
| | - Xiaoqin Zou
- Faculty of Chemistry , Northeast Normal University , Changchun 130024 , P. R. China
| | - Lei Sun
- State Key Laboratory of Molecular Reaction Dynamics , Dalian Institute of Chemical Physics , Chinese Academy of Sciences , Dalian 116023 , P. R. China .
| | - Huazhen Rong
- Faculty of Chemistry , Northeast Normal University , Changchun 130024 , P. R. China
| | - Guangshan Zhu
- Faculty of Chemistry , Northeast Normal University , Changchun 130024 , P. R. China
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Humplik T, Lee J, O'Hern S, Laoui T, Karnik R, Wang EN. Enhanced water transport and salt rejection through hydrophobic zeolite pores. NANOTECHNOLOGY 2017; 28:505703. [PMID: 29091586 DOI: 10.1088/1361-6528/aa9773] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The potential of improvements to reverse osmosis (RO) desalination by incorporating porous nanostructured materials such as zeolites into the selective layer in the membrane has spurred substantial research efforts over the past decade. However, because of the lack of methods to probe transport across these materials, it is still unclear which pore size or internal surface chemistry is optimal for maximizing permeability and salt rejection. We developed a platform to measure the transport of water and salt across a single layer of zeolite crystals, elucidating the effects of internal wettability on water and salt transport through the ≈5.5 Å pores of MFI zeolites. MFI zeolites with a more hydrophobic (i.e., less attractive) internal surface chemistry facilitated an approximately order of magnitude increase in water permeability compared to more hydrophilic MFI zeolites, while simultaneously fully rejecting both potassium and chlorine ions. However, our results also demonstrated approximately two orders of magnitude lower permeability compared to molecular simulations. This decreased performance suggests that additional transport resistances (such as surface barriers, pore collapse or blockages due to contamination) may be limiting the performance of experimental nanostructured membranes. Nevertheless, the inclusion of hydrophobic sub-nanometer pores into the active layer of RO membranes should improve both the water permeability and salt rejection of future RO membranes (Fasano et al 2016 Nat. Commun. 7 12762).
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Affiliation(s)
- Thomas Humplik
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, United States of America
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19
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Vatanpour V, Safarpour M, Khataee A, Zarrabi H, Yekavalangi ME, Kavian M. A thin film nanocomposite reverse osmosis membrane containing amine-functionalized carbon nanotubes. Sep Purif Technol 2017. [DOI: 10.1016/j.seppur.2017.04.038] [Citation(s) in RCA: 96] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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20
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Organosilica bis(triethoxysilyl)ethane (BTESE) membranes for gas permeation (GS) and reverse osmosis (RO): The effect of preparation conditions on structure, and the correlation between gas and liquid permeation properties. J Memb Sci 2017. [DOI: 10.1016/j.memsci.2016.12.036] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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21
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Das R, Vecitis CD, Schulze A, Cao B, Ismail AF, Lu X, Chen J, Ramakrishna S. Recent advances in nanomaterials for water protection and monitoring. Chem Soc Rev 2017; 46:6946-7020. [DOI: 10.1039/c6cs00921b] [Citation(s) in RCA: 353] [Impact Index Per Article: 50.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Nanomaterials (NMs) for adsorption, catalysis, separation, and disinfection are scrutinized. NMs-based sensor technologies and environmental transformations of NMs are highlighted.
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Affiliation(s)
- Rasel Das
- Leibniz Institute of Surface Modification
- D-04318 Leipzig
- Germany
| | - Chad D. Vecitis
- School of Engineering and Applied Sciences
- Harvard University
- Cambridge
- USA
| | - Agnes Schulze
- Leibniz Institute of Surface Modification
- D-04318 Leipzig
- Germany
| | - Bin Cao
- School of Civil and Environmental Engineering
- Nanyang Technological University
- Singapore
| | - Ahmad Fauzi Ismail
- Advanced Membrane Technology Research Centre
- Universiti Teknologi Malaysia
- 81310 Johor
- Malaysia
| | - Xianbo Lu
- CAS Key Laboratory of Separation Science for Analytical Chemistry
- Dalian Institute of Chemical Physics
- Dalian 116023
- China
| | - Jiping Chen
- CAS Key Laboratory of Separation Science for Analytical Chemistry
- Dalian Institute of Chemical Physics
- Dalian 116023
- China
| | - Seeram Ramakrishna
- Centre for Nanofibers and Nanotechnology
- Department of Mechanical Engineering
- National University of Singapore
- Singapore
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22
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Fasano M, Humplik T, Bevilacqua A, Tsapatsis M, Chiavazzo E, Wang EN, Asinari P. Interplay between hydrophilicity and surface barriers on water transport in zeolite membranes. Nat Commun 2016; 7:12762. [PMID: 27694935 PMCID: PMC5477497 DOI: 10.1038/ncomms12762] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Accepted: 08/01/2016] [Indexed: 01/16/2023] Open
Abstract
A comprehensive understanding of molecular transport within nanoporous materials remains elusive in a broad variety of engineering and biomedical applications. Here, experiments and atomistic simulations are synergically used to elucidate the non-trivial interplay between nanopore hydrophilicity and surface barriers on the overall water transport through zeolite crystals. At these nanometre-length scales, these results highlight the dominating effect of surface imperfections with reduced permeability on the overall water transport. A simple diffusion resistance model is shown to be sufficient to capture the effects of both intracrystalline and surface diffusion resistances, thus properly linking simulation to experimental evidence. This work suggests that future experimental work should focus on eliminating/overcoming these surface imperfections, which promise an order of magnitude improvement in permeability. Zeolite crystal with porous structure is predicted to be a good membrane material for water purification, but experiments show water uptake orders of magnitude smaller than the theory. Here, Fasano et al. attribute this disagreement to the additional diffusion resistance induced by surface defects.
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Affiliation(s)
- Matteo Fasano
- Department of Energy, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino 10129, Italy
| | - Thomas Humplik
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Alessio Bevilacqua
- Department of Energy, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino 10129, Italy
| | - Michael Tsapatsis
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota 55455, USA
| | - Eliodoro Chiavazzo
- Department of Energy, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino 10129, Italy
| | - Evelyn N Wang
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Pietro Asinari
- Department of Energy, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino 10129, Italy
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Gong G, Nagasawa H, Kanezashi M, Tsuru T. Tailoring the Separation Behavior of Polymer-Supported Organosilica Layered-Hybrid Membranes via Facile Post-Treatment Using HCl and HN3 Vapors. ACS APPLIED MATERIALS & INTERFACES 2016; 8:11060-11069. [PMID: 27070105 DOI: 10.1021/acsami.6b01986] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A promising layered-hybrid membrane consisting of a microporous organosilica active layer deposited onto a porous polymer support was prepared via a facile sol-gel spin-coating process. Subsequently, the pore sizes and structures of the organosilica top layers on the membrane surface were tuned at mild temperature combined with vapor treatment from either hydrochloric acid (HVT) or ammonia (AVT), thereby tailoring the desalination performance of the membranes during reverse osmosis (RO) processing. The effects of HVT and AVT on the pore size, structure, and morphology of organosilica layers and on the separation performances of membranes were investigated in detail. We confirmed that both HVT and AVT processes accelerated the condensation of silanol (Si-OH) in the organosilica layer, which led to dense silica networks. The layered-hybrid membranes after HVT showed an improved salt rejection and reduced water flux, while membranes after AVT exhibited a decrease in both salt rejection and water permeability. We found that HVT gave rise to smoother and denser organosilica layers, while AVT produced large voids and formed pinholes due to Ostwald ripening. These conclusions were supported by a comparative analysis of the results obtained via FTIR, TG-MS, SPM, and RO desalination.
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Affiliation(s)
- Genghao Gong
- Department of Chemical Engineering, Hiroshima University , Higashi-Hiroshima 739-8527, Japan
| | - Hiroki Nagasawa
- Department of Chemical Engineering, Hiroshima University , Higashi-Hiroshima 739-8527, Japan
| | - Masakoto Kanezashi
- Department of Chemical Engineering, Hiroshima University , Higashi-Hiroshima 739-8527, Japan
| | - Toshinori Tsuru
- Department of Chemical Engineering, Hiroshima University , Higashi-Hiroshima 739-8527, Japan
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24
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Ibrahim SM, Nagasawa H, Kanezashi M, Tsuru T. Robust organosilica membranes for high temperature reverse osmosis (RO) application: Membrane preparation, separation characteristics of solutes and membrane regeneration. J Memb Sci 2015. [DOI: 10.1016/j.memsci.2015.06.060] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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25
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Reverse osmosis performance of layered-hybrid membranes consisting of an organosilica separation layer on polymer supports. J Memb Sci 2015. [DOI: 10.1016/j.memsci.2015.07.039] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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26
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27
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Garofalo A, Donato L, Drioli E, Criscuoli A, Carnevale M, Alharbi O, Aljlil S, Algieri C. Supported MFI zeolite membranes by cross flow filtration for water treatment. Sep Purif Technol 2014. [DOI: 10.1016/j.seppur.2014.09.028] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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28
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Humplik T, Raj R, Maroo SC, Laoui T, Wang EN. Effect of hydrophilic defects on water transport in MFI zeolites. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:6446-6453. [PMID: 24810585 DOI: 10.1021/la500939t] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The subnanometer pore structure of zeolites and other microporous materials has been proposed to act as a molecular sieve for various water separation technologies. However, due to the increased interaction between the solid and water in these nanoconfined spaces, it is unclear which type of interface, be it hydrophilic or hydrophobic, offers an advantageous medium for enhancing transport properties. In this work, we probe the role of hydrophilic defects on the transport of water inside the microporous hydrophobic MFI zeolite pore structure via combined sorption and high-pressure infiltration experiments. While the inclusion of defects was observed to increase the amount of water within the zeolite pore network by up to 7 times at the saturation pressure, the diffusivity of this infiltrated water was lowered by up to 2 orders of magnitude in comparison to that of water within the nearly defect-free hydrophobic MFI zeolite. Subsequently, the permeability of water within the more defective MFI zeolite was an order of magnitude lower than that of the nearly defect-free zeolite. The results from these experiments suggest that the intrinsic hydrophobic pore structure of MFI zeolites can facilitate faster water transport due to the decreased attraction between the water and the defect-free surface. While the strong attraction of water to the defects allows for water to infiltrate the porous network at lower pressures, the results suggest that this strong attraction decreases the mobility of the infiltrated water. The insights gained from this study can be utilized to improve the design of future membranes for water desalination and other separation techniques.
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Affiliation(s)
- Thomas Humplik
- Department of Mechanical Engineering, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
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29
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Dutournié P, Limousy L, Blel W, Déon S, Fievet P. Understanding of Ion Transport in a Na–Mordenite Membrane: Use of Numerical Modeling To Estimate Surface–Solute Interactions in the Pore. Ind Eng Chem Res 2014. [DOI: 10.1021/ie5007933] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Patrick Dutournié
- IS2M (UMR CNRS
7228), Université de Haute Alsace, 3 bis rue A. Werner 68093 Mulhouse Cedex, France
| | - Lionel Limousy
- IS2M (UMR CNRS
7228), Université de Haute Alsace, 3 bis rue A. Werner 68093 Mulhouse Cedex, France
| | - Walid Blel
- GEPEA (UMR CNRS
6144), Université de Nantes, CRTT, 37, boulevard de l’université, BP 406, 44602 Saint Nazaire, France
| | - Sébastien Déon
- Institut UTINAM
Besançon (UMR CNRS 6213), Université de Franche-Comté, 16 route de Gray, 25030 Besançon cedex, France
| | - Patrick Fievet
- Institut UTINAM
Besançon (UMR CNRS 6213), Université de Franche-Comté, 16 route de Gray, 25030 Besançon cedex, France
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30
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Zhu B, Hong Z, Milne N, Doherty CM, Zou L, Lin Y, Hill AJ, Gu X, Duke M. Desalination of seawater ion complexes by MFI-type zeolite membranes: Temperature and long term stability. J Memb Sci 2014. [DOI: 10.1016/j.memsci.2013.10.071] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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31
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Ibrahim SM, Xu R, Nagasawa H, Naka A, Ohshita J, Yoshioka T, Kanezashi M, Tsuru T. Insight into the pore tuning of triazine-based nitrogen-rich organoalkoxysilane membranes for use in water desalination. RSC Adv 2014. [DOI: 10.1039/c4ra02772h] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Variation of water ratio played an important role in the separation properties of TTESPT membranes in reverse osmosis applications.
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Affiliation(s)
- Suhaina M. Ibrahim
- Department of Chemical Engineering
- Hiroshima University
- Higashihiroshima, Japan
- Advanced Material Research Centre (AMREC)
- 09000 Kulim, Malaysia
| | - Rong Xu
- School of Petrochemical Engineering
- Changzhou University
- Changzhou, China
| | - Hiroki Nagasawa
- Department of Chemical Engineering
- Hiroshima University
- Higashihiroshima, Japan
| | - Akinobu Naka
- Department of Life Science
- Kurashiki University of Science and the Arts
- Kurashiki, Japan
| | - Joji Ohshita
- Department of Applied Chemistry
- Hiroshima University
- Higashihiroshima, Japan
| | - Tomohisa Yoshioka
- Department of Chemical Engineering
- Hiroshima University
- Higashihiroshima, Japan
| | - Masakoto Kanezashi
- Department of Chemical Engineering
- Hiroshima University
- Higashihiroshima, Japan
| | - Toshinori Tsuru
- Department of Chemical Engineering
- Hiroshima University
- Higashihiroshima, Japan
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32
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Elma M, Yacou C, Diniz da Costa JC, Wang DK. Performance and long term stability of mesoporous silica membranes for desalination. MEMBRANES 2013; 3:136-50. [PMID: 24956942 PMCID: PMC4021940 DOI: 10.3390/membranes3030136] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2013] [Revised: 07/02/2013] [Accepted: 07/03/2013] [Indexed: 11/16/2022]
Abstract
This work shows the preparation of silica membranes by a two-step sol-gel method using tetraethyl orthosilicate in ethanolic solution by employing nitric acid and ammonia as co-catalysts. The sols prepared in pH 6 resulted in the lowest concentration of silanol (Si–OH) species to improve hydrostability and the optimized conditions for film coating. The membrane was tested to desalinate 0.3–15 wt % synthetic sodium chloride (NaCl) solutions at a feed temperature of 22 °C followed by long term membrane performance of up to 250 h in 3.5 wt % NaCl solution. Results show that the water flux (and salt rejection) decrease with increasing salt concentration delivering an average value of 9.5 kg m–2 h–1 (99.6%) and 1.55 kg m–2 h–1 (89.2%) from the 0.3 and 15 wt % saline feed solutions, respectively. Furthermore, the permeate salt concentration was measured to be less than 600 ppm for testing conditions up to 5 wt % saline feed solutions, achieving below the recommended standard for potable water. Long term stability shows that the membrane performance in water flux was stable for up to 150 h, and slightly reduced from thereon, possibly due to the blockage of large hydrated ions in the micropore constrictions of the silica matrix. However, the integrity of the silica matrix was not affected by the long term testing as excellent salt rejection of >99% was maintained for over 250 h.
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Affiliation(s)
- Muthia Elma
- FIMLab-Films and Inorganic Membrane Laboratory, School of Chemical Engineering, The University of Queensland, Brisbane, Queensland 4072, Australia.
| | - Christelle Yacou
- FIMLab-Films and Inorganic Membrane Laboratory, School of Chemical Engineering, The University of Queensland, Brisbane, Queensland 4072, Australia.
| | - João C Diniz da Costa
- FIMLab-Films and Inorganic Membrane Laboratory, School of Chemical Engineering, The University of Queensland, Brisbane, Queensland 4072, Australia.
| | - David K Wang
- FIMLab-Films and Inorganic Membrane Laboratory, School of Chemical Engineering, The University of Queensland, Brisbane, Queensland 4072, Australia.
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33
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Xu R, Kanezashi M, Yoshioka T, Okuda T, Ohshita J, Tsuru T. Tailoring the affinity of organosilica membranes by introducing polarizable ethenylene bridges and aqueous ozone modification. ACS APPLIED MATERIALS & INTERFACES 2013; 5:6147-6154. [PMID: 23758867 DOI: 10.1021/am401056a] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Bis(triethoxysilyl)ethylene (BTESEthy) was used as a novel precursor to develop a microporous organosilica membrane via the sol-gel technique. Water sorption measurements confirmed that ethenylene-bridged BTESEthy networks had a higher affinity for water than that of ethane-bridged organosilica materials. High permeance of CO2 with high CO2/N2 selectivity was explained relative to the strong CO2 adsorption on the network with π-bond electrons. The introduction of polarizable and rigid ethenylene bridges in the network structure led to improved water permeability and high NaCl rejection (>98.5%) in reverse osmosis (RO). Moreover, the aqueous ozone modification promoted significant improvement in the water permeability of the membrane. After 60 min of ozone exposure, the water permeability reached 1.1 × 10(-12) m(3)/(m(2) s Pa), which is close to that of a commercial seawater RO membrane. Meanwhile, molecular weight cutoff measurements indicated a gradual increase in the effective pore size with ozone modification, which may present new options for fine-tuning of membrane pore sizes.
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Affiliation(s)
- Rong Xu
- Department of Chemical Engineering, Hiroshima University, Higashi-Hiroshima, Japan
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34
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Drobek M, Yacou C, Motuzas J, Julbe A, Ding L, Diniz da Costa JC. Long term pervaporation desalination of tubular MFI zeolite membranes. J Memb Sci 2012. [DOI: 10.1016/j.memsci.2012.05.074] [Citation(s) in RCA: 107] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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35
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Xu R, Wang J, Kanezashi M, Yoshioka T, Tsuru T. Reverse osmosis performance of organosilica membranes and comparison with the pervaporation and gas permeation properties. AIChE J 2012. [DOI: 10.1002/aic.13885] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Rong Xu
- Dept. of Chemical Engineering; Hiroshima University; Higashi-Hiroshima; 739-8527; Japan
| | - Jinhui Wang
- Dept. of Chemical Engineering; Hiroshima University; Higashi-Hiroshima; 739-8527; Japan
| | - Masakoto Kanezashi
- Dept. of Chemical Engineering; Hiroshima University; Higashi-Hiroshima; 739-8527; Japan
| | - Tomohisa Yoshioka
- Dept. of Chemical Engineering; Hiroshima University; Higashi-Hiroshima; 739-8527; Japan
| | - Toshinori Tsuru
- Dept. of Chemical Engineering; Hiroshima University; Higashi-Hiroshima; 739-8527; Japan
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36
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Lin CXC, Ding LP, Smart S, da Costa JCD. Cobalt oxide silica membranes for desalination. J Colloid Interface Sci 2011; 368:70-6. [PMID: 22079520 DOI: 10.1016/j.jcis.2011.10.041] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2011] [Revised: 09/30/2011] [Accepted: 10/03/2011] [Indexed: 10/15/2022]
Abstract
This work shows for the first time the potential of cobalt oxide silica (CoO(x)Si) membranes for desalination of brackish (1 wt.% NaCl), seawater (3.5 wt.% NaCl) and brine (7.5-15 wt.% NaCl) concentrations at feed temperatures between 25 and 75 °C. CoO(x)Si xerogels were synthesised via a sol-gel method including TEOS, cobalt nitrate hydrate and peroxide. Initial hydrothermal exposure (<2 days) of xerogels prepared with various pH (3-6) resulted in densification of the xerogel via condensation reactions within the silica matrix, with the xerogel synthesised at pH 5 the most resistant. Subsequent exposure was not found to significantly alter the pore structure of the xerogels, suggesting they were hydrostable and that the pore sizes remained at molecular sieving dimensions. Membranes were then synthesised using identical sol-gel conditions to the xerogel samples and testing showed that elevated feed temperatures resulted in increased water fluxes, whilst increasing the saline feed concentration resulted in decreased water fluxes. The maximum flux observed was 1.8 kg m(-2) h(-1) at 75 °C for a 1 wt.% NaCl feed concentration. The salt rejection was consistently in excess of 99%, independent of either the testing temperature or salt feed concentration.
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Affiliation(s)
- Chun Xiang C Lin
- The University of Queensland, FIMLab - Films and Inorganic Membrane Laboratory, School of Chemical Engineering, Brisbane, Qld 4072, Australia
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37
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Lee KP, Arnot TC, Mattia D. A review of reverse osmosis membrane materials for desalination—Development to date and future potential. J Memb Sci 2011. [DOI: 10.1016/j.memsci.2010.12.036] [Citation(s) in RCA: 1191] [Impact Index Per Article: 91.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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38
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Tsuru T, Ogawa K, Kanezashi M, Yoshioka T. Permeation characteristics of electrolytes and neutral solutes through titania nanofiltration membranes at high temperatures. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2010; 26:10897-10905. [PMID: 20405860 DOI: 10.1021/la100791j] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Nanoporous titania membranes with controlled pore sizes ranging from 0.7 to 2.5 nm, which had molecular weight cutoffs (MWCO) ranging from 500 to 2000, were successfully prepared by sol-gel processing, and the transport characteristics were evaluated across a temperature range of 30-80 degrees C. With increasing temperature, the permeate flux increased 2- to 3-fold, depending on the pore size. The water permeation mechanism was found to be different from viscous flow and was explained by the state of the water (free water/bound water/nonfreezing water) inside confined pores. The rejection of neutral solutes such as raffinose, the separation mechanism of which is molecular sieving (steric hindrance), decreased with temperature whereas that of electrolytes (MgCl(2) and NaCl), the separation mechanism of which is the charge effect (Donnan exclusion), was approximately constant. The temperature dependence of neutral and electrolyte solutes was analyzed using the Spiegler-Kedem equation by combining the Arrhenius equations for diffusivity and viscosity, which we obtained DeltaE(m), the activation energy of diffusion, after eliminating the effect of viscosity. For large DeltaE(m), which corresponds to the rejection of neutral solutes on the basis of molecular sieving, rejection decreased with temperature but remained unchanged for small DeltaE(m), which corresponds to the rejection of electrolytes based on the charge effect.
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Affiliation(s)
- Toshinori Tsuru
- Department of Chemical Engineering, Hiroshima University, Higashi-Hiroshima 739-8527, Japan.
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39
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Lu J, Liu N, Li L, Lee R. Organic fouling and regeneration of zeolite membrane in wastewater treatment. Sep Purif Technol 2010. [DOI: 10.1016/j.seppur.2010.02.010] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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40
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Liu N, Li L, Cao G, Lee R. Silver-embedded zeolite thin film-based fiber optic sensor for in situ, real-time monitoring Hg2+ ions in aqueous media with high sensitivity and selectivity. ACTA ACUST UNITED AC 2010. [DOI: 10.1039/c0jm02159h] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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