Preparation of a non-hydrothermal NaA zeolite membrane and defect elimination by vacuum-inhalation repair method
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2016.10.001
Abstract: Abstract This work reports the preparation of a non-hydrothermal NaA zeolite and its stainless steel-supported membrane using geopolymer-gel-thermal-conversion (GGTC) combined with a dip-coating method, which does not require hydrothermal processing. The XRD and high-resolution transmission… read more here.
Keywords: non hydrothermal; zeolite; zeolite membrane; naa zeolite ... See more keywords
Vapor phase esterification of acetic acid with ethanol in a CHA zeolite membrane reactor: A CFD analysis
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2021.116536
Abstract: Abstract The combination of new technologies for achieving more efficient and sustainable processes due to their mutual integration is gaining particular interest in industry. In this study, the role of vapor membrane permeation technology in… read more here.
Keywords: zeolite membrane; membrane; membrane reactor; esterification ... See more keywords
Preparation of inexpensive NaA zeolite membrane on pozzolan support at low temperature for dehydration of alcohol solutions
Sign Up to like & getrecommendations! Published in 2018 at "Journal of environmental chemical engineering"
DOI: 10.1016/j.jece.2018.06.049
Abstract: Abstract In this paper, inexpensive NaA zeolite membrane was hydrothermally prepared by in situ crystallization on flat pozzolan support at low temperature, and applied for dehydration of ethanol and isopropanol solutions through pervaporation process. The… read more here.
Keywords: temperature; zeolite; zeolite membrane; naa zeolite ... See more keywords
Understanding the effect of zeolite crystal expansion/contraction on separation performance of NaA zeolite membrane: A combined experimental and molecular simulation study
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Membrane Science"
DOI: 10.1016/j.memsci.2017.05.057
Abstract: Experimental measurements and molecular simulations were used to investigate the effect of adsorption-induced changes in zeolite crystal size on the separation performance of NaA zeolite membrane for dehydration of alcohols. The vapor permeation (VP) separations… read more here.
Keywords: zeolite; water; naa zeolite; zeolite membrane ... See more keywords
All-silica DD3R zeolite membrane with hydrophilic-functionalized surface for efficient and highly-stable pervaporation dehydration of acetic acid
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Membrane Science"
DOI: 10.1016/j.memsci.2019.03.061
Abstract: Abstract A novel strategy of all-silica zeolite membrane with hydrophilic-functionalized surface was proposed for efficient and highly-stable pervaporation dehydration of acetic acid. 3-aminopropyltriethoxysilane (APTES) was used to graft onto the surface of hollow fiber supported… read more here.
Keywords: zeolite membrane; hydrophilic functionalized; surface; membrane ... See more keywords
Micro-structure change of polycrystalline FAU zeolite membranes during a hydrothermal synthesis in a dilute solution
Sign Up to like & getrecommendations! Published in 2018 at "Microporous and Mesoporous Materials"
DOI: 10.1016/j.micromeso.2018.05.040
Abstract: Abstract Faujasite (FAU) zeolite membranes were prepared by seed growth method. The polycrystalline zeolite membrane became less porous with the growth of zeolite crystals. The microstructure of the membrane was characterized by SEM and TEM… read more here.
Keywords: seed; zeolite; zeolite membrane; growth ... See more keywords
LTA zeolite membranes: current progress and challenges in pervaporation
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DOI: 10.1039/c7ra03341a
Abstract: Linde Type A (LTA) zeolite-based membranes have demonstrated excellent selectivity in pervaporation due to their unique structural framework and interaction with water. The development of LTA zeolite membranes for commercial application is limited by some… read more here.
Keywords: defect free; zeolite; zeolite membrane; zeolite membranes ... See more keywords
Influence of Organic Solvent Species on Dehydration Behaviors of NaA-Type Zeolite Membrane
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DOI: 10.3390/membranes11050347
Abstract: In this study, an NaA-type zeolite membrane was prepared, and the dehydration performances of the membrane were determined by the pervaporation for several organic solvents to understand the lower dehydration performances of zeolite membranes for… read more here.
Keywords: naa type; zeolite membrane; type zeolite; dehydration performances ... See more keywords
Development of Ammonia Selectively Permeable Zeolite Membrane for Sensor in Sewer System
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DOI: 10.3390/membranes11050348
Abstract: Ammonia (NH3) and hydrogen sulfide (H2S) are hazardous and odorous gases. A special device that is not affected by other gases is necessary so that it can detect such gases. Zeolite membranes can separate the… read more here.
Keywords: selectively permeable; zeolite; zeolite membrane; ammonia ... See more keywords
Zeolite Membrane: From Microstructure to Separation Performance
Sign Up to like & getrecommendations! Published in 2022 at "Membranes"
DOI: 10.3390/membranes12020176
Abstract: Zeolite membrane have been investigated all over the world as an attractive tool in the development of separation processes for both liquid and gaseous components [...]. read more here.
Keywords: microstructure separation; zeolite membrane; separation; membrane microstructure ... See more keywords
Preparation of Alumina-Sphere-Supported Potassium Chabazite Zeolite Membrane with Excellent Potassium Extraction Performance at Room Temperature
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DOI: 10.3390/membranes12060604
Abstract: In this paper, a potassium chabazite (KCHA) zeolite membrane was prepared by coating KCHA zeolite on the surface of a porous alumina sphere. The performance of the KCHA zeolite membrane in extracting potassium from seawater… read more here.
Keywords: potassium; zeolite; zeolite membrane; kcha zeolite ... See more keywords