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Bünger L, Kurtz T, Garbev K, Stemmermann P, Stapf D. Mixed-Matrix Organo-Silica-Hydrotalcite Membrane for CO 2 Separation Part 2: Permeation and Selectivity Study. MEMBRANES 2024; 14:156. [PMID: 39057664 PMCID: PMC11278857 DOI: 10.3390/membranes14070156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 07/09/2024] [Accepted: 07/10/2024] [Indexed: 07/28/2024]
Abstract
This study introduces an innovative approach to designing membranes capable of separating CO2 from industrial gas streams at higher temperatures. The novel membrane design seeks to leverage a well-researched, high-temperature CO2 adsorbent, hydrotalcite, by transforming it into a membrane. This was achieved by combining it with an amorphous organo-silica-based matrix, extending the polymer-based mixed-matrix membrane concept to inorganic compounds. Following the membrane material preparation and investigation of the individual membrane in Part 1 of this study, we examine its permeation and selectivity here. The pure 200 nm thick hydrotalcite membrane exhibits Knudsen behavior due to large intercrystalline pores. In contrast, the organo-silica membrane demonstrates an ideal selectivity of 13.5 and permeance for CO2 of 1.3 × 10-7 mol m-2 s-1 Pa-1 at 25 °C, and at 150 °C, the selectivity is reduced to 4.3. Combining both components results in a hybrid microstructure, featuring selective surface diffusion in the microporous regions and unselective Knudsen diffusion in the mesoporous regions. Further attempts to bridge both components to form a purely microporous microstructure are outlined.
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Affiliation(s)
- Lucas Bünger
- Institute for Technical Chemistry, Karlsruhe Institute of Technology, Kaiserstrasse 12, 76131 Karlsruhe, Germany; (T.K.); (K.G.); (P.S.); (D.S.)
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2
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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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Moriyama N, Takeyama A, Yamatoko T, Sawamura KI, Gonoi K, Nagasawa H, Kanezashi M, Tsuru T. Steam recovery from flue gas by organosilica membranes for simultaneous harvesting of water and energy. Nat Commun 2023; 14:7641. [PMID: 37993436 PMCID: PMC10665434 DOI: 10.1038/s41467-023-43546-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 11/13/2023] [Indexed: 11/24/2023] Open
Abstract
Steam recovery from the spent gases from flues could be a key step in addressing the water shortage issue while additionally benefiting energy saving. Herein, we propose a system that uses organosilica membranes consisting of a developed layered structure to recover steam and latent heat from waste. Proof-of-concept testing is conducted in a running incinerator plant. The proposed system eliminates the need for a water supply while simultaneously recovering latent heat from the waste stream. First, the long-term stability of an organosilica membrane is confirmed over the course of six months on a laboratory-scale under a simulated waste stream. Second, steam recovery is demonstrated in a running waste incinerator plant (bench-scale), which confirms the steady operation of this steam recovery system with a steam recovery rate comparable to that recorded in the laboratory-scale test. Third, process simulation reveals that this system enables water-self-reliance with energy recovery that approximates 70% of waste combustion energy.
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Affiliation(s)
- Norihiro Moriyama
- Department of Chemical Engineering, Hiroshima University, 1-4-1 Kagami-yama, Higashi-Hiroshima, 739-8527, Japan
| | - Akihiro Takeyama
- PLANTEC Inc., 1-6-17 Kyomachibori, Nishi-ku, Osaka city, 550-0003, Japan
| | - Taichi Yamatoko
- PLANTEC Inc., 1-6-17 Kyomachibori, Nishi-ku, Osaka city, 550-0003, Japan
| | - Ken-Ichi Sawamura
- eSep Inc., Keihanna Open Innovation Center, 7-5-1 Seikadai, Seika-cho, Souraku-gun, Kyoto, 619-0238, Japan
| | - Koji Gonoi
- eSep Inc., Keihanna Open Innovation Center, 7-5-1 Seikadai, Seika-cho, Souraku-gun, Kyoto, 619-0238, Japan
| | - Hiroki Nagasawa
- Department of Chemical Engineering, Hiroshima University, 1-4-1 Kagami-yama, Higashi-Hiroshima, 739-8527, Japan
| | - Masakoto Kanezashi
- Department of Chemical Engineering, Hiroshima University, 1-4-1 Kagami-yama, Higashi-Hiroshima, 739-8527, Japan
| | - Toshinori Tsuru
- Department of Chemical Engineering, Hiroshima University, 1-4-1 Kagami-yama, Higashi-Hiroshima, 739-8527, Japan.
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Lawal SO, Kanezashi M. A Brief Overview of the Microstructural Engineering of Inorganic-Organic Composite Membranes Derived from Organic Chelating Ligands. MEMBRANES 2023; 13:390. [PMID: 37103818 PMCID: PMC10143647 DOI: 10.3390/membranes13040390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 03/23/2023] [Accepted: 03/29/2023] [Indexed: 06/19/2023]
Abstract
This review presents a concise conceptual overview of membranes derived from organic chelating ligands as studied in several works. The authors' approach is from the viewpoint of the classification of membranes by matrix composition. The first part presents composite matrix membranes as a key class of membranes and makes a case for the importance of organic chelating ligands in the formation of inorganic-organic composites. Organic chelating ligands, categorized into network-modifying and network-forming types, are explored in detail in the second part. Four key structural elements, of which organic chelating ligands (as organic modifiers) are one and which also include siloxane networks, transition-metal oxide networks and the polymerization/crosslinking of organic modifiers, form the building blocks of organic chelating ligand-derived inorganic-organic composites. Three and four parts explore microstructural engineering in membranes derived from network-modifying and network-forming ligands, respectively. The final part reviews robust carbon-ceramic composite membranes as important derivatives of inorganic-organic hybrid polymers for selective gas separation under hydrothermal conditions when the proper organic chelating ligand and crosslinking conditions are chosen. This review can serve as inspiration for taking advantage of the wide range of possibilities presented by organic chelating ligands.
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Pervaporation performance of BTESE/TEOS-derived organosilica membrane and its stability in isopropanol aqueous solutions. KOREAN J CHEM ENG 2023. [DOI: 10.1007/s11814-022-1245-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Lee J, Shin Y, Boo C, Hong S. Performance, limitation, and opportunities of acid-resistant nanofiltration membranes for industrial wastewater treatment. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.121142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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7
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Preparation of nanocomposite aromatic polyamide reverse osmosis membranes by in-situ polymerization of bis(triethoxysilyl)ethane (BTESE). J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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8
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Ghasemzadeh K, Ghahremani M, Jalilnejad E, Yousefi Amiri T, Basile A. Performance Comparison of Polymeric and Silica-Based Multi-Bed Pervaporation Membrane Reactors during Ethyl Levulinate Production. MEMBRANES 2022; 12:1000. [PMID: 36295759 PMCID: PMC9610823 DOI: 10.3390/membranes12101000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 10/05/2022] [Accepted: 10/10/2022] [Indexed: 06/16/2023]
Abstract
A detailed numerical study of ethyl levulinate (EtLA) production with levulinic acid (LA) and ethanol (Et) in a multi-bed traditional reactor (MB-TR) and a silica-based and polymeric multi-bed pervaporation membrane reactors (MB-PVMR) was conducted and the efficiency of each design was studied under different operation conditions. Due to water production in the EtLA production process, water removal by a pervaporation system may improve process performance. Our results showed that MB-PVMR had higher performance compared with MB-TR. In addition, the silica membrane was more effective in water removal compared with the polymeric membrane. Therefore, higher LA conversion was achievable by a silica-based multi-bed pervaporation membrane reactor (SMB-PVMR). All the results were evaluated for percentage of water removal and LA conversion, based on variations in the Et/LA molar ratio, feed molar flow, reaction zone temperature, and catalyst loading. The results showed that water removal was higher than 95% and LA conversion of about 95% was attained by SMB-PVMR.
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Affiliation(s)
- Kamran Ghasemzadeh
- Faculty of Chemical Engineering, Urmia University of Technology, Urmia 57166-93187, Iran
| | - Milad Ghahremani
- Faculty of Chemical Engineering, Urmia University of Technology, Urmia 57166-93187, Iran
| | - Elham Jalilnejad
- Faculty of Chemical Engineering, Urmia University of Technology, Urmia 57166-93187, Iran
| | - Taher Yousefi Amiri
- Chemical Engineering Department, University of Zanjan, Zanjan 45371-38791, Iran
| | - Angelo Basile
- Hydrogenia S.r.l., Via Roma, n. 8/2, 16121 Genoa, Italy
- Department of Engineering, University Campus Bio-Medico of Rome, Via Alvaro del Portillo n. 21, 00128 Rome, Italy
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Rubner J, Skribbe S, Roth H, Kleines L, Dahlmann R, Wessling M. On the Mixed Gas Behavior of Organosilica Membranes Fabricated by Plasma-Enhanced Chemical Vapor Deposition (PECVD). MEMBRANES 2022; 12:994. [PMID: 36295753 PMCID: PMC9609601 DOI: 10.3390/membranes12100994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/03/2022] [Accepted: 10/11/2022] [Indexed: 06/16/2023]
Abstract
Selective, nanometer-thin organosilica layers created by plasma-enhanced chemical vapor deposition (PECVD) exhibit selective gas permeation behavior. Despite their promising pure gas performance, published data with regard to mixed gas behavior are still severely lacking. This study endeavors to close this gap by investigating the pure and mixed gas behavior depending on temperatures from 0 °C to 60 °C for four gases (helium, methane, carbon dioxide, and nitrogen) and water vapor. For the two permanent gases, helium and methane, the studied organosilica membrane shows a substantial increase in selectivity from αHe/CH4 = 9 at 0 °C to αHe/CH4 = 40 at 60 °C for pure as well as mixed gases with helium permeance of up to 300 GPU. In contrast, a condensable gas such as CO2 leads to a decrease in selectivity and an increase in permeance compared to its pure gas performance. When water vapor is present in the feed gas, the organosilica membrane shows even stronger deviations from pure gas behavior with a permeance loss of about 60 % accompanied by an increase in ideal selectivity αHe/CO2 from 8 to 13. All in all, the studied organosilica membrane shows very promising results for mixed gases. Especially for elevated temperatures, there is a high potential for separation by size exclusion.
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Affiliation(s)
- Jens Rubner
- Chemical Process Engineering AVT.CVT, RWTH Aachen University, Forckenbeckstraße 51, 52074 Aachen, Germany
| | - Soukaina Skribbe
- Chemical Process Engineering AVT.CVT, RWTH Aachen University, Forckenbeckstraße 51, 52074 Aachen, Germany
| | - Hannah Roth
- Chemical Process Engineering AVT.CVT, RWTH Aachen University, Forckenbeckstraße 51, 52074 Aachen, Germany
- DWI—Leibniz-Institute for Interactive Materials, Forckenbeckstraße 50, 52074 Aachen, Germany
| | - Lara Kleines
- Institute for Plastics Processing (IKV), RWTH Aachen University, Seffenter Weg 201, 52074 Aachen, Germany
| | - Rainer Dahlmann
- Institute for Plastics Processing (IKV), RWTH Aachen University, Seffenter Weg 201, 52074 Aachen, Germany
| | - Matthias Wessling
- Chemical Process Engineering AVT.CVT, RWTH Aachen University, Forckenbeckstraße 51, 52074 Aachen, Germany
- DWI—Leibniz-Institute for Interactive Materials, Forckenbeckstraße 50, 52074 Aachen, Germany
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10
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Sugama T, Pyatina T. Thermally Insulating, Thermal Shock Resistant Calcium Aluminate Phosphate Cement Composites for Reservoir Thermal Energy Storage. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6328. [PMID: 36143639 PMCID: PMC9503598 DOI: 10.3390/ma15186328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 08/23/2022] [Accepted: 08/24/2022] [Indexed: 06/16/2023]
Abstract
This paper presents the use of hydrophobic silica aerogel (HSA) and hydrophilic fly ash cenosphere (FCS) aggregates for improvements in the thermal insulating and mechanical properties of 100- and 250 °C-autoclaved calcium aluminate phosphate (CaP) cement composites reinforced with micro-glass (MGF) and micro-carbon (MCF) fibers for deployment in medium- (100 °C) and high-temperature (250 °C) reservoir thermal energy storage systems. The following six factors were assessed: (1) Hydrothermal stability of HSA; (2) Pozzolanic activity of the two aggregates and MGF in an alkali cement environment; (3) CaP cement slurry heat release during hydration and chemical reactions; (4) Composite phase compositions and phase transitions; (5) Mechanical behavior; (6) Thermal shock (TS) resistance at temperature gradients of 150 and 225 °C. The results showed that hydrophobic trimethylsilyl groups in trimethylsiloxy-linked silica aerogel structure were susceptible to hydrothermal degradation at 250 °C. This degradation was followed by pozzolanic reactions (PR) of HSA, its dissolution, and the formation of a porous microstructure that caused a major loss in the compressive strength of the composites at 250 °C. The pozzolanic activities of FCS and MGF were moderate, and they offered improved interfacial bonding at cement-FCS and cement-MGF joints through a bridging effect by PR products. Despite the PR of MGF, both MGF and MCF played an essential role in minimizing the considerable losses in compressive strength, particularly in toughness, engendered by incorporating weak HSA. As a result, a FCS/HSA ratio of 90/10 in the CaP composite system was identified as the most effective hybrid insulating aggregate composition, with a persistent compressive strength of more than 7 MPa after three TS tests at a 150 °C temperature gradient. This composite displayed thermal conductivity of 0.28 and 0.35 W/mK after TS with 225 and 150 °C thermal gradients, respectively. These values, below the TC of water (TC water = 0.6 W/mK), were measured under water-saturated conditions for applications in underground reservoirs. However, considering the hydrothermal disintegration of HSA at 250 °C, these CaP composites have potential applications for use in thermally insulating, thermal shock-resistant well cement in a mid-temperature range (100 to 175 °C) reservoir thermal energy storage system.
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Moriyama N, Nagasawa H, Kanezashi M, Tsuru T. Water permeation in gas and liquid phases through organosilica membranes: A unified theory of reverse osmosis, pervaporation, and vapor permeation. Chem Eng Sci 2022. [DOI: 10.1016/j.ces.2022.118083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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12
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Tailoring the structure of a sub-nano silica network via fluorine doping to enhance CO2 separation and evaluating CO2 separation performance under dry or wet conditions. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120735] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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13
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Aoyama S, Nagasawa H, Kanezashi M, Tsuru T. Nanogradient Hydrophilic/Hydrophobic Organosilica Membranes Developed by Atmospheric-Pressure Plasma to Enhance Pervaporation Performance. ACS NANO 2022; 16:10302-10313. [PMID: 35728269 DOI: 10.1021/acsnano.1c11656] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Organosilica membranes are a promising candidate for pervaporation dehydration owing to their tunable molecular sieving characteristics and excellent hydrothermal stability. Herein, we report a facile modification using an atmospheric-pressure water vapor plasma to enhance the pervaporation performance of organosilica membranes. The surface of methyl-terminated organosilica membranes was treated by water vapor plasma to develop an ultrathin separation active layer suitable for pervaporation dehydration. The surface hydrophilicity was increased by water vapor plasma due to oxidative decomposition of methyl groups to form silanol groups. The plasma-modified layer had a thickness of several nanometers and had a silica-like structure due to the condensation of silanol groups. The plasma-modified organosilica membranes exhibited an improved molecular sieving property owing to the formation of highly cross-linked siloxane networks with a pore size of approximately 0.4 nm. The membranes also exhibited an excellent permselectivity in the dehydration of alcohols due to the nanometer-thick separation active layer with controlled pore size and increased hydrophilicity. The plasma-modified membranes showed high H2O permeance exceeding 10-6 mol m-2 s-1 Pa-1 with permeance ratios for H2O/EtOH and H2O/IPA of 517-3050 and >10 000, respectively, in the dehydration of 90 wt % aqueous solutions at 50 °C, which is among the highest permselectivities for silica-based membranes. Furthermore, the plasma-modified membranes displayed highly efficient dehydration performance for a H2O/MeOH mixture. The H2O permeance and H2O/MeOH permeance ratio in the dehydration of a 90 wt % MeOH aqueous solution at 50 °C were (2.3-3.0) × 10-6 mol m-2 s-1 Pa-1 and 31-143, respectively, which exceeded the permeance-selectivity trade-off of conventional membranes including polymeric, silica-based, and zeolite membranes. The results indicate that the proposed plasma-assisted approach can enhance the pervaporation performance of organosilica membranes via the modification under atmospheric pressure and at room temperature.
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Affiliation(s)
- Shun Aoyama
- Chemical Engineering Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima, Hiroshima 739-8527, Japan
| | - Hiroki Nagasawa
- Chemical Engineering Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima, Hiroshima 739-8527, Japan
| | - Masakoto Kanezashi
- Chemical Engineering Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima, Hiroshima 739-8527, Japan
| | - Toshinori Tsuru
- Chemical Engineering Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima, Hiroshima 739-8527, Japan
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Zhang D, Kanezashi M, Tsuru T, Yamamoto K, Gunji T, Adachi Y, Ohshita J. Development of Highly Water-Permeable Robust PSQ-Based RO Membranes by Introducing Hydroxyethylurea-Based Hydrophilic Water Channels. ACS APPLIED MATERIALS & INTERFACES 2022; 14:21426-21435. [PMID: 35486525 DOI: 10.1021/acsami.2c01469] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Copolymerization of bis[3-(triethoxysilyl)propyl]amine (BTESPA) and N-(2-hydroxyethyl)-N'-[3-(triethoxysilyl)propyl]urea (HETESPU) provided highly permeable robust reverse osmosis (RO) membranes that have an organically bridged polysilsesquioxane (PSQ) structure. The RO experiments with NaCl aqueous solution (2000 ppm) indicated that the introduction of hydroxyethylurea groups markedly improved the permeability of water (1.86 × 10-12 m3/m2sPa) to approximately 19 times higher than that of a membrane prepared via the BTESPA homopolymerization, with NaCl rejection remaining nearly unchanged (96%). This is the highest water permeability obtained so far for PSQ-based membranes that show higher than 90% NaCl rejection. The improvement of water permeability is likely due to aggregation through hydrogen bonding in the PSQ layer, which can be regarded as a hydrophilic water channel.
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Affiliation(s)
- Dian Zhang
- Smart Innovation Program, Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi-Hiroshima739-8527, Japan
| | - Masakoto Kanezashi
- Chemical Engineering Program, Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi-Hiroshima739-8527, Japan
| | - Toshinori Tsuru
- Chemical Engineering Program, Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi-Hiroshima739-8527, Japan
| | - Kazuki Yamamoto
- Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, Chiba278-8510, Japan
| | - Takahiro Gunji
- Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, Chiba278-8510, Japan
| | - Yohei Adachi
- Smart Innovation Program, Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi-Hiroshima739-8527, Japan
| | - Joji Ohshita
- Smart Innovation Program, Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi-Hiroshima739-8527, Japan
- Division of Materials Model-Based Research, Digital Monozukuri (Manufacturing) Education and Research Center, Hiroshima University, Higashi-Hiroshima739-0046, Japan
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15
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Araki S, Nishikawa Y, Nakata M, Li K, Yamamoto H. Synthesis of hydrophobic silica membranes derived from propyl trimethoxy silane and bis(triethoxysilyl)ethane for separation of volatile organic compounds from aqueous solutions. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2021.120046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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16
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Moriyama N, Ike M, Nagasawa H, Kanezashi M, Tsuru T. Network tailoring of organosilica membranes via aluminum doping to improve the humid-gas separation performance. RSC Adv 2022; 12:5834-5846. [PMID: 35424575 PMCID: PMC8981573 DOI: 10.1039/d1ra07866f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 02/07/2022] [Indexed: 11/24/2022] Open
Abstract
Organosilica membranes have recently attracted much attention due to excellent hydrothermal stability which enables their use in the presence of water. In particular, during humid-gas separations at moderate-to-high temperatures, these membranes have shown excellent water permeance and moderate water selectivity, which has been a breakthrough in separation performance. In the present work, we found that aluminum doping into the bis(triethoxysilyl)ethane (BTESE)-derived organosilica structure further improves water selectivity (H2O/N2, H2O/H2) while maintaining a level of water permeance that reaches as high as several 10−6 mol (m−2 s−1 Pa−1). Single-gas permeation and nitrogen adsorption experiments have revealed that aluminum doping promotes densification of the pore structure and improves molecular sieving. In addition, water adsorption and desorption experiments have revealed that aluminum doping enhances water adsorption onto the pore walls, which blocks permeation by other gasses and significantly improves water permeation selectivity during the separation of humid gases. Our results provide a strategy for the fabrication of a membrane that provides both a high level of water permeance and enhanced water selectivity. Al doping densified and hydrophilized the pore structure of organosilica membranes, which resulted in improved permselectivity in humid-gas separation at moderate-to-high temperature.![]()
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Affiliation(s)
- Norihiro Moriyama
- Department of Chemical Engineering, Hiroshima University 1-4-1 Kagami-yama Higashi-Hiroshima 739-8527 Japan
| | - Misato Ike
- Department of Chemical Engineering, Hiroshima University 1-4-1 Kagami-yama Higashi-Hiroshima 739-8527 Japan
| | - Hiroki Nagasawa
- Department of Chemical Engineering, Hiroshima University 1-4-1 Kagami-yama Higashi-Hiroshima 739-8527 Japan
| | - Masakoto Kanezashi
- Department of Chemical Engineering, Hiroshima University 1-4-1 Kagami-yama Higashi-Hiroshima 739-8527 Japan
| | - Toshinori Tsuru
- Department of Chemical Engineering, Hiroshima University 1-4-1 Kagami-yama Higashi-Hiroshima 739-8527 Japan
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Nagasawa H, Yasunari R, Kawasaki M, Kanezashi M, Tsuru T. Facile low-temperature route toward the development of polymer-supported silica-based membranes for gas separation via atmospheric-pressure plasma-enhanced chemical vapor deposition. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119709] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Kanezashi M, Hataoka N, Ikram R, Nagasawa H, Tsuru T. Hydrothermal stability of fluorine‐induced microporous silica membranes: Effect of steam treatment conditions. AIChE J 2021. [DOI: 10.1002/aic.17292] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Masakoto Kanezashi
- Chemical Engineering Program, Graduate School of Advanced Science and Engineering Hiroshima University Hiroshima Japan
| | - Naoya Hataoka
- Chemical Engineering Program, Graduate School of Advanced Science and Engineering Hiroshima University Hiroshima Japan
| | - Rana Ikram
- Chemical Engineering Program, Graduate School of Advanced Science and Engineering Hiroshima University Hiroshima Japan
| | - Hiroki Nagasawa
- Chemical Engineering Program, Graduate School of Advanced Science and Engineering Hiroshima University Hiroshima Japan
| | - Toshinori Tsuru
- Chemical Engineering Program, Graduate School of Advanced Science and Engineering Hiroshima University Hiroshima Japan
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21
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Miyazaki T, Nagasawa H, Tsuru T, Kanezashi M. Design of a SiOC network structure with oxidation stability and application to hydrogen separation membranes at high temperatures. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119147] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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22
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Zirconia-supported hybrid organosilica microporous membranes for CO2 separation and pervaporation. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.118114] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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23
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Moriyama N, Kawano Y, Wang Q, Inoue R, Guo M, Yokoji M, Nagasawa H, Kanezashi M, Tsuru T. Pervaporation via silicon‐based membranes: Correlation and prediction of performance in pervaporation and gas permeation. AIChE J 2021. [DOI: 10.1002/aic.17223] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Norihiro Moriyama
- Department of Chemical Engineering Hiroshima University Higashi‐Hiroshima Japan
| | - Yuta Kawano
- Department of Chemical Engineering Hiroshima University Higashi‐Hiroshima Japan
| | - Qing Wang
- Department of Chemical Engineering Hiroshima University Higashi‐Hiroshima Japan
| | - Ryota Inoue
- Department of Chemical Engineering Hiroshima University Higashi‐Hiroshima Japan
| | - Meng Guo
- Department of Chemical Engineering Hiroshima University Higashi‐Hiroshima Japan
| | - Makoto Yokoji
- Department of Chemical Engineering Hiroshima University Higashi‐Hiroshima Japan
| | - Hiroki Nagasawa
- Department of Chemical Engineering Hiroshima University Higashi‐Hiroshima Japan
| | - Masakoto Kanezashi
- Department of Chemical Engineering Hiroshima University Higashi‐Hiroshima Japan
| | - Toshinori Tsuru
- Department of Chemical Engineering Hiroshima University Higashi‐Hiroshima Japan
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Moriyama N, Nagasawa H, Kanezashi M, Tsuru T. Improved performance of organosilica membranes for steam recovery at moderate-to-high temperatures via the use of a hydrothermally stable intermediate layer. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2020.118895] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Nagasawa H, Kagawa T, Noborio T, Kanezashi M, Ogata A, Tsuru T. Ultrafast Synthesis of Silica-Based Molecular Sieve Membranes in Dielectric Barrier Discharge at Low Temperature and Atmospheric Pressure. J Am Chem Soc 2021; 143:35-40. [PMID: 33373214 DOI: 10.1021/jacs.0c09433] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Microporous silica membranes have shown promise as potential candidates for energy-efficient chemical separation. Herein, we report the ultrafast synthesis of silica membranes, on the order of minutes, in atmospheric-pressure, low-temperature plasma. Direct deposition in the discharge region of atmospheric-pressure plasma enables the immediate formation of a thin silica layer on a porous substrate. The plasma-deposited layer had a thickness of ∼13 nm and was confined to the immediate surface of the substrate. With an increase in deposition temperature, we observed an increase in the inorganic nature of the plasma-deposited layer and simultaneous improvement in the membrane performance. Consequently, the resulting membranes exhibited outstanding permeance for small-sized gas molecules, such as H2 (>10-6 mol m-2 s-1 Pa-1), with a high H2/SF6 permeance ratio of ∼6300, providing a nonthermal alternative for the fabrication of silica-based membranes.
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Affiliation(s)
- Hiroki Nagasawa
- Chemical Engineering Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
| | - Takahiko Kagawa
- Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
| | - Takuji Noborio
- Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
| | - Masakoto Kanezashi
- Chemical Engineering Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
| | - Atsushi Ogata
- Environmental Management Research Institute, National Institute for Advanced Industrial Science and Technology (AIST), 16-1 Onogawa, Tsukuba 305-8569, Japan
| | - Toshinori Tsuru
- Chemical Engineering Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
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Xu R, Liu Q, Ren X, Lin P, Zhong J. Tuning the Pore Structures of Organosilica Membranes for Enhanced Desalination Performance via the Control of Calcination Temperatures. MEMBRANES 2020; 10:membranes10120392. [PMID: 33287360 PMCID: PMC7761822 DOI: 10.3390/membranes10120392] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/26/2020] [Accepted: 11/29/2020] [Indexed: 06/12/2023]
Abstract
Microporous organosilica membranes based on 1,2-bis(triethoxylsilyl)ethane (BTESE) were fabricated via an acid-catalyzed sol-gel technique. In the preparation process, the calcination temperature plays a significant role in structural and surface properties of the organosilica networks. With an increase in calcination temperature, the surface hydrophilicity decreased due to the enhanced condensation of Si-OH groups in the networks. N2 adsorption results suggest that the pore structures of BTESE membranes was clearly dependent on the calcination temperature. The pore sizes of the membranes were quantitatively determined by using the Normalized Knudsen-based permeance (NKP) model. In pervaporation tests, the membranes with higher calcination temperatures showed higher salt rejections and lower water permeances, which was attributed to the changes in pore size and surface chemistry of pore walls. The BTESE membranes calcined at 200 °C exhibited superior hydrothermal stability in temperature cycles up to 70 °C and high reproducibility in concentration cycles with NaCl concentrations of 0.2-13 wt%, showing great promise for desalination applications of high-salinity water.
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Affiliation(s)
- Rong Xu
- Correspondence: (R.X.); (J.Z.)
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Yu X, Wang Q, Nagasawa H, Kanezashi M, Tsuru T. SiC mesoporous membranes for sulfuric acid decomposition at high temperatures in the iodine-sulfur process. RSC Adv 2020; 10:41883-41890. [PMID: 35516528 PMCID: PMC9057924 DOI: 10.1039/d0ra06919a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 11/06/2020] [Indexed: 11/23/2022] Open
Abstract
Inorganic microporous materials have shown promise for the fabrication of membranes with chemical stability and resistance to high temperatures. Silicon-carbide (SiC) has been widely studied due to its outstanding mechanical stability under high temperatures and its resistance to corrosion and oxidation. This study is the first to prepare mesoporous SiC membranes for use in sulphuric acid decomposition to achieve thermochemical water splitting in the iodine–sulfur process. Single-gas permeation was carried out to confirm the stability of this mesoporous membrane under exposure to steam and H2SO4 vapor. Benefiting from the excellent chemical stability of the α-Al2O3 membrane support and the SiC particle layer, the SiC membrane exhibited stable gas permeance without significant degradation under H2SO4 vapor treatment at 600 °C. Additionally, with extraction, the membrane reactor exhibited an increased conversion from 25 to 41% for H2SO4 decomposition at 600 °C. The high performance combined with outstanding stability under acidic conditions suggests the developed SiC membrane is a promising candidate for H2SO4 decomposition in a catalytic membrane reactor. In the present study, SiC particles derived mesoporous membrane was discovered and applied to membrane reactor for H2SO4 decomposition. The reaction equilibrium was moved the to the product side by membrane reactor with extraction at 600 °C.![]()
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Affiliation(s)
- Xin Yu
- Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University 1-4-1 Kagamiyama Higashi-Hiroshima 739-8527 Japan
| | - Qing Wang
- Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University 1-4-1 Kagamiyama Higashi-Hiroshima 739-8527 Japan
| | - Hiroki Nagasawa
- Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University 1-4-1 Kagamiyama Higashi-Hiroshima 739-8527 Japan
| | - Masakoto Kanezashi
- Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University 1-4-1 Kagamiyama Higashi-Hiroshima 739-8527 Japan
| | - Toshinori Tsuru
- Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University 1-4-1 Kagamiyama Higashi-Hiroshima 739-8527 Japan
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Dobos AM, Filimon A, Bargan A, Zaltariov MF. New approaches for the development of cellulose acetate/tetraethyl orthosilicate composite membranes: Rheological and microstructural analysis. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113129] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Inoue R, Kanezashi M, Nagasawa H, Yamamoto K, Gunji T, Tsuru T. Pore size tuning of bis(triethoxysilyl)propane (BTESP)-derived membrane for gas separation: Effects of the acid molar ratio in the sol and of the calcination temperature. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.116742] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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31
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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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Kato H, Lundin STB, Ahn SJ, Takagaki A, Kikuchi R, Oyama ST. Gas Separation Silica Membranes Prepared by Chemical Vapor Deposition of Methyl-Substituted Silanes. MEMBRANES 2019; 9:membranes9110144. [PMID: 31684187 PMCID: PMC6918472 DOI: 10.3390/membranes9110144] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 10/27/2019] [Accepted: 10/30/2019] [Indexed: 11/16/2022]
Abstract
The effect on the gas permeance properties and structural morphology of the presence of methyl functional groups in a silica membrane was studied. Membranes were synthesized via chemical vapor deposition (CVD) at 650 °C and atmospheric pressure using three silicon compounds with differing numbers of methyl- and methoxy-functional groups: tetramethyl orthosilicate (TMOS), methyltrimethoxysilane (MTMOS), and dimethyldimethoxysilane (DMDMOS). The residence time of the silica precursors in the CVD process was adjusted for each precursor and optimized in terms of gas permeance and ideal gas selectivity criteria. Final H2 permeances at 600 °C for the TMOS-, MTMOS-, and DMDMOS-derived membranes were respectively 1.7 × 10-7, 2.4 × 10-7, and 4.4 × 10-8 mol∙m-2∙s-1∙Pa-1 and H2/N2 selectivities were 990, 740, and 410. The presence of methyl groups in the membranes fabricated with the MTMOS and DMDMOS precursors was confirmed via Fourier-transform infrared (FTIR) spectroscopy. From FTIR analysis, an increasing methyl signal in the silica structure was correlated with both an improvement in the hydrothermal stability and an increase in the apparent activation energy for hydrogen permeation. In addition, the permeation mechanism for several gas species (He, H2, Ne, CO2, N2, and CH4) was determined by fitting the gas permeance temperature dependence to one of three models: solid state, gas-translational, or surface diffusion.
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Affiliation(s)
- Harumi Kato
- Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8556, Japan.
| | - Sean-Thomas B Lundin
- Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8556, Japan.
| | - So-Jin Ahn
- Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8556, Japan.
| | - Atsushi Takagaki
- Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8556, Japan.
| | - Ryuji Kikuchi
- Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8556, Japan.
| | - S Ted Oyama
- Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8556, Japan.
- Department of Chemical Engineering, Virginia Tech, Blacksburg, VA 24061, USA.
- College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China.
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Selective water vapor permeation from steam/non-condensable gas mixtures via organosilica membranes at moderate-to-high temperatures. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2019.117254] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Nagasawa H, Murata M, Kanezashi M, Tsuru T. Effect of Sintering Temperature on Sol–Gel Synthesis of Porous Polymeric Membrane Supported Layered Hybrid Organosilica Membranes and Their Vapor Permeation Property. KAGAKU KOGAKU RONBUN 2019. [DOI: 10.1252/kakoronbunshu.45.177] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Mamoru Murata
- Department of Chemical Engineering, Hiroshima University
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35
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Fabrication of highly selective organosilica membrane for gas separation by mixing bis(triethoxysilyl)ethane with methyltriethoxysilane. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2019.04.039] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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36
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Ren X, Tsuru T. Organosilica-Based Membranes in Gas and Liquid-Phase Separation. MEMBRANES 2019; 9:membranes9090107. [PMID: 31443501 PMCID: PMC6780740 DOI: 10.3390/membranes9090107] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 08/17/2019] [Accepted: 08/20/2019] [Indexed: 11/16/2022]
Abstract
Organosilica membranes are a type of novel materials derived from organoalkoxysilane precursors. These membranes have tunable networks, functional properties and excellent hydrothermal stability that allow them to maintain high levels of separation performance for extend periods of time in either a gas-phase with steam or a liquid-phase under high temperature. These attributes make them outperform pure silica membranes. In this review, types of precursors, preparation method, and synthesis factors for the construction of organosilica membranes are covered. The effects that these factors exert on characteristics and performance of these membranes are also discussed. The incorporation of metals, alkoxysilanes, or other functional materials into organosilica membranes is an effective and simple way to improve their hydrothermal stability and achieve preferable chemical properties. These hybrid organosilica membranes have demonstrated effective performance in gas and liquid-phase separation.
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Affiliation(s)
- Xiuxiu Ren
- Jiangsu Key Laboratory of Fine Petrochemical Engineering, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - Toshinori Tsuru
- Separation Engineering Laboratory, Department of Chemical Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima 739-8527, Japan.
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Zhang D, Ohshita J. Preparation of robust RO membranes for water desalination by interfacial copolymerization of bis[(triethoxysilyl)propyl]amine and bis(triethoxysilyl)ethane. Polym J 2019. [DOI: 10.1038/s41428-019-0239-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Tanaka T, Kanezashi M, Nagasawa H, Tsuru T. Effects of Calcination Condition on the Network Structure of Triethoxysilane (TRIES) and How Si–H Groups Influence Hydrophobicity Under Hydrothermal Conditions. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.8b06390] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tsukasa Tanaka
- Department of Chemical Engineering, Graduate School of Engineering, Hiroshima UniversityHigashi-Hiroshima, 739-8527, Japan
| | - Masakoto Kanezashi
- Department of Chemical Engineering, Graduate School of Engineering, Hiroshima UniversityHigashi-Hiroshima, 739-8527, Japan
| | - Hiroki Nagasawa
- Department of Chemical Engineering, Graduate School of Engineering, Hiroshima UniversityHigashi-Hiroshima, 739-8527, Japan
| | - Toshinori Tsuru
- Department of Chemical Engineering, Graduate School of Engineering, Hiroshima UniversityHigashi-Hiroshima, 739-8527, Japan
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Vane LM. Review: Membrane Materials for the Removal of Water from Industrial Solvents by Pervaporation and Vapor Permeation. JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY (OXFORD, OXFORDSHIRE : 1986) 2019; 94:343-365. [PMID: 30930521 PMCID: PMC6436640 DOI: 10.1002/jctb.5839] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Organic solvents are widely used in a variety of industrial sectors. Reclaiming and reusing the solvents may be the most economically and environmentally beneficial option for managing spent solvents. Purifying the solvents to meet reuse specifications can be challenging. For hydrophilic solvents, water must be removed prior to reuse, yet many hydrophilic solvents form hard-to-separate azeotropic mixtures with water. Such mixtures make separation processes energy intensive and cause economic challenges. The membrane processes pervaporation (PV) and vapor permeation (VP) can be less energy intensive than distillation-based processes and have proven to be very effective in removing water from azeotropic mixtures. In PV/VP, separation is based on the solution-diffusion interaction between the dense permselective layer of the membrane and the solvent/water mixture. This review provides a state-of-the-science analysis of materials used as the selective layer(s) of PV/VP membranes in removing water from organic solvents. A variety of membrane materials, such as polymeric, inorganic, mixed matrix, and hybrid, have been reported in the literature. A small subset of these are commercially available and highlighted here: poly(vinyl alcohol), polyimides, amorphous perfluoro polymers, NaA zeolites, chabazite zeolites, T-type zeolites, and hybrid silicas. The typical performance characteristics and operating limits of these membranes are discussed. Solvents targeted by the U.S. Environmental Protection Agency for reclamation are emphasized and ten common solvents are chosen for analysis: acetonitrile, 1-butanol, N,N-dimethyl formamide, ethanol, methanol, methyl isobutyl ketone, methyl tert-butyl ether, tetrahydrofuran, acetone, and 2-propanol.
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Affiliation(s)
- Leland M Vane
- U.S. Environmental Protection Agency, 26 W. Martin Luther King Dr., Cincinnati, Ohio 45268 USA
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Yamamoto K, Muragishi H, Mizumo T, Gunji T, Kanezashi M, Tsuru T, Ohshita J. Diethylenedioxane-bridged microporous organosilica membrane for gas and water separation. Sep Purif Technol 2018. [DOI: 10.1016/j.seppur.2018.06.036] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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42
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Moriyama N, Nagasawa H, Kanezashi M, Tsuru T. Pervaporation dehydration of aqueous solutions of various types of molecules via organosilica membranes: Effect of membrane pore sizes and molecular sizes. Sep Purif Technol 2018. [DOI: 10.1016/j.seppur.2018.06.021] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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43
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Tsuru T. Silica-Based Membranes with Molecular-Net-Sieving Properties: Development and Applications. JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 2018. [DOI: 10.1252/jcej.17we235] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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44
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Zheng FT, Yamamoto K, Kanezashi M, Gunji T, Tsuru T, Ohshita J. Preparation of Hybrid Organosilica Reverse Osmosis Membranes by Interfacial Polymerization of Bis[(trialkoxysilyl)propyl]amine. CHEM LETT 2018. [DOI: 10.1246/cl.180525] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Feng-Tao Zheng
- Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8527, Japan
| | - Kazuki Yamamoto
- Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8527, Japan
- Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, Noda, Chiba 278-8510, Japan
| | - Masakoto Kanezashi
- Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8527, Japan
| | - Takahiro Gunji
- Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, Noda, Chiba 278-8510, Japan
| | - Toshinori Tsuru
- Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8527, Japan
| | - Joji Ohshita
- Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8527, Japan
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Acid post-treatment of sol-gel-derived ethylene-bridged organosilica membranes and their filtration performances. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2018.03.063] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Cheng X, Jiang Z, Cheng X, Yang H, Tang L, Liu G, Wang M, Wu H, Pan F, Cao X. Water-selective permeation in hybrid membrane incorporating multi-functional hollow ZIF-8 nanospheres. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2018.03.024] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Gong G, Nagasawa H, Kanezashi M, Tsuru T. Facile and Scalable Flow-Induced Deposition of Organosilica on Porous Polymer Supports for Reverse Osmosis Desalination. ACS APPLIED MATERIALS & INTERFACES 2018; 10:14070-14078. [PMID: 29616792 DOI: 10.1021/acsami.7b19075] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The fabrication of a continuous and uniform organosilica membrane on a porous polymer substrate was achieved via a facile and technologically scalable flow-induced deposition (FD) approach. The uniformity of the thickness of an organosilica separation layer on a polymer surface with a large area was improved significantly via this two-step FD approach. Meanwhile, the optimal concentration of the organosilica used in membrane preparation was also investigated. This polymer-supported organosilica layered-hybrid membrane showed a high level of NaCl rejection (97.5-99%) in the reverse osmosis desalination of a 2000 ppm NaCl solution at an operating pressure of 3 MPa. This membrane also exhibited good stability and flexibility when rolled into a curvature radius of 11 mm.
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Affiliation(s)
- Genghao Gong
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Materials Science and Engineering , Tianjin Polytechnic University , Tianjin 300387 , PR China
| | - 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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Fluorine-induced microporous silica membranes: Dramatic improvement in hydrothermal stability and pore size controllability for highly permeable propylene/propane separation. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2017.11.072] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Preparation of bridged silica RO membranes from copolymerization of bis(triethoxysilyl)ethene/(hydroxymethyl)triethoxysilane. Effects of ethenylene-bridge enhancing water permeability. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2017.10.025] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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