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Kim HJ, Kim SJ, Lee K, Foster RI. A short review on hydrophobic pervaporative inorganic membranes for ethanol/water separation applications. KOREAN J CHEM ENG 2022. [DOI: 10.1007/s11814-022-1173-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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2
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Chen WQ, Sedighi M, Jivkov AP. Thermo-osmosis in hydrophilic nanochannels: mechanism and size effect. NANOSCALE 2021; 13:1696-1716. [PMID: 33427268 DOI: 10.1039/d0nr06687g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Understanding thermo-osmosis in nanoscale channels and pores is essential for both theoretical advances of thermally induced mass flow and a wide range of emerging industrial applications. We present a new mechanistic understanding and quantification of thermo-osmosis at nanometric/sub-nanometric length scales and link the outcomes with the non-equilibrium thermodynamics of the phenomenon. The work is focused on thermo-osmosis of water in quartz slit nanochannels, which is analysed by molecular dynamics (MD) simulations of mechano-caloric and thermo-osmotic systems. We investigate the applicability of Onsager reciprocal relation, irreversible thermodynamics, and continuum fluid mechanics at the nanoscale. Further, we analyse the effects of channel size on the thermo-osmosis coefficient, and show, for the first time, that these arise from specific liquid structures dictated by the channel size. The mechanical conditions of the interfacial water under different temperatures are quantified using a continuum approach (pressure tensor distribution) and a discrete approach (body force per molecule) to elucidate the underlying mechanism of thermo-osmosis. The results show that the fluid molecules located in the boundary layers adjacent to the solid surfaces experience a driving force which generates the thermo-osmotic flow. While the findings provide a fundamental understanding of thermo-osmosis, the methods developed provide a route for analysis of the entire class of coupled heat and mass transport phenomena in nanoscale structures.
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Affiliation(s)
- Wei Qiang Chen
- Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, The University of Manchester, Manchester, M13 9PL, UK.
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3
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Park HM, Lee JY, Jee KY, Nakao SI, Lee YT. Hydrocarbon separation properties of a CVD-deposited ceramic membrane under single gases and binary mixed gas. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117642] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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4
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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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5
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Controlling pore structures of Pd-doped organosilica membranes by calcination atmosphere for gas separation. Chin J Chem Eng 2019. [DOI: 10.1016/j.cjche.2019.03.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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6
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Mise Y, Ahn SJ, Takagaki A, Kikuchi R, Oyama ST. Fabrication and Evaluation of Trimethylmethoxysilane (TMMOS)-Derived Membranes for Gas Separation. MEMBRANES 2019; 9:membranes9100123. [PMID: 31547032 PMCID: PMC6835431 DOI: 10.3390/membranes9100123] [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: 08/01/2019] [Revised: 09/06/2019] [Accepted: 09/12/2019] [Indexed: 11/16/2022]
Abstract
Gas separation membranes were fabricated with varying trimethylmethoxysilane(TMMOS)/tetraethoxy orthosilicate (TEOS) ratios by a chemical vapor deposition (CVD) method at650 °C and atmospheric pressure. The membrane had a high H2 permeance of 8.3 × 10-7 mol m-2 s-1Pa-1 with H2/CH4 selectivity of 140 and H2/C2H6 selectivity of 180 at 300 °C. Fourier transforminfrared (FTIR) measurements indicated existence of methyl groups at high preparationtemperature (650 °C), which led to a higher hydrothermal stability of the TMMOS-derivedmembranes than of a pure TEOS-derived membrane. Temperature-dependence measurements ofthe permeance of various gas species were used to establish a permeation mechanism. It was foundthat smaller species (He, H2, and Ne) followed a solid-state diffusion model while larger species (N2,CO2, and CH4) followed a gas translational diffusion model.
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Affiliation(s)
- Yoshihiro Mise
- Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8556, Japan; (Y.M.); (S.-J.A.); (A.T.); (R.K.)
| | - So-Jin Ahn
- Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8556, Japan; (Y.M.); (S.-J.A.); (A.T.); (R.K.)
| | - Atsushi Takagaki
- Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8556, Japan; (Y.M.); (S.-J.A.); (A.T.); (R.K.)
| | - Ryuji Kikuchi
- Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8556, Japan; (Y.M.); (S.-J.A.); (A.T.); (R.K.)
| | - Shigeo Ted Oyama
- Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8556, Japan; (Y.M.); (S.-J.A.); (A.T.); (R.K.)
- Department of Chemical Engineering, Virginia Tech, Blacksburg, VA 24061, USA
- College of Chemical Engineering, Fuzhou University, Fuzhou 350116, China
- Correspondence: ; Tel.: +81-3-5841-0712
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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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8
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Effects of pressure, contact time, permeance, and selectivity in membrane reactors: The case of the dehydrogenation of ethane. Sep Purif Technol 2018. [DOI: 10.1016/j.seppur.2017.11.037] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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9
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Synthesis and characterization of hydrogen selective silica membranes prepared by chemical vapor deposition of vinyltriethoxysilane. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2017.12.038] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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10
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Yang X, Du H, Lin Y, Song L, Zhang Y, Gao X, Kong C, Chen L. Hybrid organosilica membrane with high CO2 permselectivity fabricated by a two-step hot coating method. J Memb Sci 2016. [DOI: 10.1016/j.memsci.2016.01.054] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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11
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Zhang XL, Yamada H, Saito T, Kai T, Murakami K, Nakashima M, Ohshita J, Akamatsu K, Nakao SI. Development of hydrogen-selective triphenylmethoxysilane-derived silica membranes with tailored pore size by chemical vapor deposition. J Memb Sci 2016. [DOI: 10.1016/j.memsci.2015.09.025] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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12
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Li G, Lee HR, Nagasawa H, Kanezashi M, Yoshioka T, Tsuru T. Pore-size evaluation and gas transport behaviors of microporous membranes: An experimental and theoretical study. AIChE J 2015. [DOI: 10.1002/aic.14812] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Gang Li
- Department of Light Chemical Engineering; School of Light Industry & Food Science, South China University of Technology; Guangzhou 510641 China
| | - Hye Ryeon Lee
- Research Center for Green Fine Chemicals, Korea Research Institute of Chemical Technology; UIsan 681-802 Republic of Korea
| | - Hiroki Nagasawa
- 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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Benguerba Y, Amer J, Ernst B. CFD modeling of the H 2 /N 2 separation with a nickel/α-alumina microporous membrane. Chem Eng Sci 2015. [DOI: 10.1016/j.ces.2014.11.048] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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14
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Ren X, Nishimoto K, Kanezashi M, Nagasawa H, Yoshioka T, Tsuru T. CO2 Permeation through Hybrid Organosilica Membranes in the Presence of Water Vapor. Ind Eng Chem Res 2014. [DOI: 10.1021/ie404386r] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xiuxiu Ren
- Department
of Chemical Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, 739-8527, Japan
| | - Kanji Nishimoto
- Department
of Chemical Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, 739-8527, Japan
| | - Masakoto Kanezashi
- Department
of Chemical Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, 739-8527, Japan
| | - Hiroki Nagasawa
- Department
of Chemical Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, 739-8527, Japan
| | - Tomohisa Yoshioka
- Department
of Chemical Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, 739-8527, Japan
| | - Toshinori Tsuru
- Department
of Chemical Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, 739-8527, Japan
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You S, Tang C, Yu C, Wang X, Zhang J, Han J, Gan Y, Ren N. Forward osmosis with a novel thin-film inorganic membrane. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2013; 47:8733-8742. [PMID: 23829428 DOI: 10.1021/es401555x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Forward osmosis (FO) represents a new promising membrane technology for liquid separation driven by the osmotic pressure of aqueous solution. Organic polymeric FO membranes are subject to severe internal concentration polarization due to asymmetric membrane structure, and low stability due to inherent chemical composition. To address these limitations, this study focuses on the development of a new kind of thin-film inorganic (TFI) membrane made of microporous silica xerogels immobilized onto a stainless steel mesh (SSM) substrate. The FO performances of the TFI membrane were evaluated upon a lab-scale cell-type FO reactor using deionized water as feed solution and sodium chloride (NaCl) as draw solution. The results demonstrated that the TFI membrane could achieve transmembrane water flux of 60.3 L m(-2) h(-1) driven by 2.0 mol L(-1) NaCl draw solution at ambient temperature. Meanwhile, its specific solute flux, i.e. the solute flux normalized by the water flux (0.19 g L(-1)), was 58.7% lower than that obained for a commercial cellulose triacetate (CTA) membrane (0.46 g L(-1)). The quasi-symmetry thin-film microporous structure of the silica membrane is responsible for low-level internal concentration polarization, and thus enhanced water flux during FO process. Moreover, the TFI membrne demonstrated a substantially improved stability in terms of mechanical strength, and resistance to thermal and chemical stimulation. This study not only provides a new method for fabricating quasi-symmetry thin-film inorganic silica membrane, but also suggests an effective strategy using this alternative membrane to achieve improved FO performances for scale-up applications.
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Affiliation(s)
- Shijie You
- State Key Laboratory of Urban Water Resource and Environment (SKLUWRE), Harbin Institute of Technology (HIT) , Harbin 150090, PR China.
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Pramanik M, Bhaumik A. Organic-inorganic hybrid supermicroporous iron(III) phosphonate nanoparticles as an efficient catalyst for the synthesis of biofuels. Chemistry 2013; 19:8507-14. [PMID: 23650095 DOI: 10.1002/chem.201300128] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2013] [Indexed: 11/06/2022]
Abstract
Here we report a novel family of crystalline, supermicroporous iron(III) phosphonate nanomaterials (HFeP-1-3, HFeP-1-2, and HFeP-1-4) with different Fe(III)-to-organophosphonate ligand mole ratios. The materials were synthesized by using a hydrothermal reaction between benzene-1,3,5-triphosphonic acid and iron(III) chloride under acidic conditions (pH ≈ 4.0). Powder X-ray diffraction, N2 sorption, transmission and scanning electron microscopy (TEM and SEM) image analysis, thermogravimetric and differential thermal analysis (TGA-DTA), and FTIR spectroscopic tools were used to characterize the materials. The triclinic crystal phase [P1(2) space group] of the hybrid iron phosphonate was established by a Rietveld refinement of the PXRD analysis of HFeP-1-3 by using the MAUD program. The unit cell parameters are a = 8.749(1), b = 8.578(1), c = 17.725(3) Å; α = 104.47(3), β = 97.64(1), γ = 113.56(3)°; and V = 1013.41 Å(3). With these crystal parameters, we proposed an 24-membered-ring open framework structure for HFeP-1. Compound HFeP-1-3, with an starting Fe/ligand molar ratio of 3.0, shows the highest Brunauer-Emmett-Telller (BET) surface area of 556 m(2) g(-1) and uniform supermicropores of approximately 1.1 nm. The acidic surface of the porous iron(III) phosphonate nanoparticles was used in a highly efficient and recyclable catalytic transesterification reaction for the synthesis of biofuels under mild reaction conditions.
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Affiliation(s)
- Malay Pramanik
- Department of Materials Science, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700 032, India
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Miller CR, Wang DK, Smart S, Diniz da Costa JC. Reversible redox effect on gas permeation of cobalt doped ethoxy polysiloxane (ES40) membranes. Sci Rep 2013; 3:1648. [PMID: 23571730 PMCID: PMC3622081 DOI: 10.1038/srep01648] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2012] [Accepted: 03/22/2013] [Indexed: 11/09/2022] Open
Abstract
This work reports the remarkable effect of reversible gas molecular sieving for high temperature gas separation from cobalt doped ethoxy polysiloxane (CoES40) membranes. This effect stemmed from alternating the reducing and oxidising (redox) state of the cobalt particles embedded in the ES40 matrix. The reduced membranes gave the best H2 permeances of 1 × 10(-6) mol m(-2) s(-1) Pa(-1) and H2/N2 permselectivities of 65. The reduction process tailored a molecular gap attributed to changes in the specific volume between the reduced cobalt (Co(OH)2 and CoO) particles in the ES40 structure, thus allowing for the increased diffusion of gases. Upon re-oxidation, the tailored molecular gap became constricted as the particles reversed to Co3O4 resulting a lower gas diffusion, particularly for the larger gases ie. CO2 and N2. The ES40 matrix proved to be structurally rigid enough to withstand the reversible redox effect of cobalt particles across multiple cycles.
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Affiliation(s)
- Christopher R. Miller
- The University of Queensland, FIMLab – Films and Inorganic Membrane Laboratory, School of Chemical Engineering, Brisbane, QLD 4072, Australia
| | - David K. Wang
- The University of Queensland, FIMLab – Films and Inorganic Membrane Laboratory, School of Chemical Engineering, Brisbane, QLD 4072, Australia
| | - Simon Smart
- The University of Queensland, FIMLab – Films and Inorganic Membrane Laboratory, School of Chemical Engineering, Brisbane, QLD 4072, Australia
| | - João C. Diniz da Costa
- The University of Queensland, FIMLab – Films and Inorganic Membrane Laboratory, School of Chemical Engineering, Brisbane, QLD 4072, Australia
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18
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Jiao Y, Du A, Hankel M, Smith SC. Modelling carbon membranes for gas and isotope separation. Phys Chem Chem Phys 2013; 15:4832-43. [DOI: 10.1039/c3cp44414g] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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19
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Effect of Nb content on hydrothermal stability of a novel ethylene-bridged silsesquioxane molecular sieving membrane for H2/CO2 separation. J Memb Sci 2012. [DOI: 10.1016/j.memsci.2012.07.010] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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20
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Wang J, Kanezashi M, Yoshioka T, Tsuru T. Effect of calcination temperature on the PV dehydration performance of alcohol aqueous solutions through BTESE-derived silica membranes. J Memb Sci 2012. [DOI: 10.1016/j.memsci.2012.05.073] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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