Flexibility in zeolites: origin, limits, and evaluation

S Ghojavand, E Dib, S Mintova - Chemical Science, 2023 - pubs.rsc.org
Numerous pieces of evidence in the literature suggest that zeolitic materials exhibit
significant intrinsic flexibility as a consequence of the spring-like behavior of Si–O and Al–O …

Encapsulation of gases in powder solid matrices and their applications: a review

TM Ho, T Howes, BR Bhandari - Powder Technology, 2014 - Elsevier
Gas encapsulation in solid matrices can be an important means to sequester harmful or
greenhouse gases and to store useful gases for their subsequent release for a targeted …

[HTML][HTML] Structuring adsorbents and catalysts by processing of porous powders

F Akhtar, L Andersson, S Ogunwumi, N Hedin… - Journal of the European …, 2014 - Elsevier
Microporous materials such as zeolites, metal organic frameworks, activated carbons and
aluminum phosphates are suitable for catalysis and separation applications. These high …

Discriminative separation of gases by a “molecular trapdoor” mechanism in chabazite zeolites

J Shang, G Li, R Singh, Q Gu, KM Nairn… - Journal of the …, 2012 - ACS Publications
Separation of molecules based on molecular size in zeolites with appropriate pore aperture
dimensions has given rise to the definition of “molecular sieves” and has been the basis for …

Cooperative and competitive occlusion of organic and inorganic structure-directing agents within chabazite zeolites influences their aluminum arrangement

JR Di Iorio, S Li, CB Jones, CT Nimlos… - Journal of the …, 2020 - ACS Publications
We combine experiment and theory to investigate the cooperation or competition between
organic and inorganic structure-directing agents (SDAs) for occupancy within microporous …

Determination of composition range for “molecular trapdoor” effect in chabazite zeolite

J Shang, G Li, R Singh, P Xiao, JZ Liu… - The Journal of …, 2013 - ACS Publications
Highly selective separation of small molecules, such as CO2, N2, and CH4, is difficult to
achieve if all of the molecules can access the internal surface so that the selectivity depends …

Molecular Basis for the High CO2 Adsorption Capacity of Chabazite Zeolites

TD Pham, MR Hudson, CM Brown, RF Lobo - ChemSusChem, 2014 - Wiley Online Library
CO2 adsorption in Li‐, Na‐, K‐CHA (Si/Al= 6,= 12), and silica chabazite zeolites was
investigated by powder diffraction. Two CO2 adsorption sites were found in all chabazites …

Alkali-bonded ceramics with hierarchical tailored porosity

E Landi, V Medri, E Papa, J Dedecek, P Klein… - Applied Clay …, 2013 - Elsevier
Alkali-bonded ceramics and foams with tailored porosity have very interesting applications
as thermal insulators, catalysts, filters, etc. Alkali-bonded ceramics were prepared starting …

Direct synthesis of nanosized CHA zeolite free of organic template by a combination of cations as structure directing agents

M Debost, EB Clatworthy, J Grand, N Barrier… - Microporous and …, 2023 - Elsevier
There is an increasing demand for porous materials able to separate the components of
natural gas, mainly CH 4 and CO 2. Flexible small pore zeolites are interesting candidates …

Preparation of CHA zeolite (chabazite) crystals and membranes without organic structural directing agents for CO2 separation

B Liu, R Zhou, K Yogo, H Kita - Journal of Membrane Science, 2019 - Elsevier
CHA zeolite (chabazite) crystals and membranes were prepared from organic structural
directing agents-free (OSDA-free) gels. Chabazite membranes were grown on the tubular …