Structure, stability and permeation properties of NaA zeolite membranes for H2O/H2 and CH3OH/H2 separations
Sign Up to like & getrecommendations! Published in 2018 at "Journal of The European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2017.08.012
Abstract: Abstract NaA zeolite membranes were synthesised in the secondary growth hydrothermal method based on the seeding of the inner surface of a ceramic α-alumina tube. The impacts of crystallisation time and zeolite precursor concentration (in… read more here.
Keywords: zeolite; naa zeolite; structure stability; zeolite membranes ... See more keywords
Bioethanol enrichment using zeolite membranes: Molecular modeling, conceptual process design and techno-economic analysis
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Membrane Science"
DOI: 10.1016/j.memsci.2017.06.075
Abstract: Abstract Lignocellulosic biomass-derived ethanol offers a potential alternative to fossil-derived fuels. However, the energy-intensive nature of its recovery process, i.e., a sequence of two distillation columns – beer and rectification columns - enriching from 5… read more here.
Keywords: bioethanol enrichment; zeolite; using zeolite; zeolite membranes ... See more keywords
Synthesis of thin SAPO-34 zeolite membranes in concentrated gel
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Membrane Science"
DOI: 10.1016/j.memsci.2020.118451
Abstract: Abstract Synthesis of thin zeolite membranes in the sub-micron range is desirable but a great challenge. Despite the successful synthesis of ultrathin Silicalite-1 and CHA membranes, the pursuit of SAPO-34 membranes thinner than 1 μm remains… read more here.
Keywords: sapo; zeolite membranes; synthesis thin; co2 ... See more keywords
Hetero-epitaxial growth of chabazite zeolite membranes using an RHO-type seed layer
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Membrane Science"
DOI: 10.1016/j.memsci.2021.119465
Abstract: Abstract High-quality chabazite (CHA) zeolite membranes were synthesized from organotemplate-free aluminosilicate gel via epitaxial growth using RHO-type seed layer. Both zeolite RHO seeds (Si/Al = 2.4) and the synthetic gel containing cesium species led to the formation… read more here.
Keywords: using rho; rho type; epitaxial growth; zeolite membranes ... See more keywords
Fast synthesis of thin all-silica DDR zeolite membranes by co-template strategy
Sign Up to like & getrecommendations! Published in 2020 at "Microporous and Mesoporous Materials"
DOI: 10.1016/j.micromeso.2020.110091
Abstract: Abstract The separation performances of all-silica DDR membranes are inferior to other small pore zeolite membranes, which is the result of poor understanding of the corresponding zeolite powder and membrane syntheses. Issues like lengthy synthesis,… read more here.
Keywords: fast synthesis; zeolite membranes; synthesis thin; thin silica ... See more keywords
Preparation of chabazite zeolite membranes by a two-stage varying-temperature hydrothermal synthesis for water-ethanol separation
Sign Up to like & getrecommendations! Published in 2020 at "Separation and Purification Technology"
DOI: 10.1016/j.seppur.2019.116055
Abstract: Abstract Pure and thin chabazite zeolite membranes were successfully prepared on macroporous symmetrical stainless steel supports by a two-stage varying-temperature hydrothermal synthesis. The morphologies and pervaporation properties of chabazite zeolite membranes were greatly influenced by… read more here.
Keywords: water; zeolite membranes; chabazite zeolite; separation ... See more keywords
Room-Temperature Synthesis of Zeolite Membranes toward Optimized Microstructure and Enhanced Butane Isomer Separation Performance.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.3c00009
Abstract: Room temperature (RT) synthesis of high-performance zeolite membranes, which is profound from techno-economic and eco-friendly perspectives, remains a grand challenge. In this work, we pioneered the RT preparation of well-intergrown pure-silica MFI zeolite (Si-MFI) membranes,… read more here.
Keywords: temperature synthesis; optimized microstructure; zeolite; zeolite membranes ... See more keywords
LTA zeolite membranes: current progress and challenges in pervaporation
Sign Up to like & getrecommendations! Published in 2017 at "RSC Advances"
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
Truly combining the advantages of polymeric and zeolite membranes for gas separations
Sign Up to like & getrecommendations! Published in 2022 at "Science"
DOI: 10.1126/science.ade1411
Abstract: Mixed-matrix membranes (MMMs) have been investigated to render energy-intensive separations more efficiently by combining the selectivity and permeability performance, robustness, and nonaging properties of the filler with the easy processing, handling, and scaling up of… read more here.
Keywords: gas; truly combining; zeolite; mixed matrix ... See more keywords
Effects of Seed Crystals on the Growth and Catalytic Performance of TS-1 Zeolite Membranes
Sign Up to like & getrecommendations! Published in 2020 at "Membranes"
DOI: 10.3390/membranes10030041
Abstract: Dense and good catalytic performance TS-1 zeolite membranes were rapidly prepared on porous mullite support by secondary hydrothermal synthesis. The properties of seed crystals were very important for the preparation of high-catalytic performance TS-1 zeolite… read more here.
Keywords: seed; zeolite; zeolite membranes; performance zeolite ... See more keywords
Investigation of NH3 Desorption Kinetics on the LTA and SOD Zeolite Membranes
Sign Up to like & getrecommendations! Published in 2022 at "Membranes"
DOI: 10.3390/membranes12020147
Abstract: The acidity characteristics of zeolite are highly significant, and understanding the acidic properties is essential for developing new types of zeolite catalysts. Zeolite membranes were synthesized using metakaolin, sodium hydroxide, and alumina with a molar… read more here.
Keywords: desorption; zeolite membranes; sod zeolite; membrane ... See more keywords