Zeolites and related sorbents with narrow pores for CO 2 separation from flue gas

O Cheung, N Hedin - Rsc Advances, 2014 - pubs.rsc.org
Adsorbents with small pores are especially relevant for capturing carbon dioxide at large
emission sources. Such sorbents could be used potentially to reduce the energy demands …

Microporous titanosilicates and other novel mixed octahedral‐tetrahedral framework oxides

J Rocha, MW Anderson - European Journal of Inorganic …, 2000 - Wiley Online Library
Stable microporous materials, such as zeolites, are extremely important for applications in
catalysis, adsorption, ion‐exchange, and separation. In this review we describe a new class …

A titanosilicate molecular sieve with adjustable pores for size-selective adsorption of molecules

SM Kuznicki, VA Bell, S Nair, HW Hillhouse… - Nature, 2001 - nature.com
Zeolites and related crystalline microporous oxides—tetrahedrally coordinated atoms
covalently linked into a porous framework—are of interest for applications ranging from …

Adsorption of carbon dioxide, methane, nitrogen, oxygen and argon in NaETS-4

RS Pillai, SA Peter, RV Jasra - Microporous and Mesoporous Materials, 2008 - Elsevier
The NaETS-4 sample was synthesized and the effect of heat treatment on the adsorption of
CO2, CH4, N2, O2 and Ar in NaETS-4 was studied at 373K and 423K. The synthesized …

Radioactive wastewaters purification using titanosilicates materials: State of the art and perspectives

K Popa, CC Pavel - Desalination, 2012 - Elsevier
The present paper aims to survey the literature and also to present our latest results on the
uptake of radiocations and their inactive homologues on different titanosilicate materials …

Structure of strontium ion-exchanged ETS-4 microporous molecular sieves

C Braunbarth, HW Hillhouse, S Nair… - Chemistry of …, 2000 - ACS Publications
The structure of strontium ion-exchanged ETS-4 titanosilicate has been refined from X-ray
powder diffraction data and compared to the structure of sodium ETS-4. The framework of …

Microporous mixed octahedral-pentahedral-tetrahedral framework silicates

J Rocha, Z Lin - Reviews in Mineralogy and …, 2005 - pubs.geoscienceworld.org
The frameworks of zeolites and related crystalline microporous oxide materials, such as
aluminophosphates, silicoaluminophosphates and metaloaluminophosphates, are built up …

Adsorption and diffusion of methane and nitrogen in barium exchanged ETS-4

B Majumdar, SJ Bhadra, RP Marathe… - Industrial & engineering …, 2011 - ACS Publications
Single component equilibrium and uptake of methane and nitrogen in barium exchanged
ETS-4, Ba-ETS-4, have been measured in a constant volume apparatus over a wide range …

Rietveld refinement of the zorite structure of ETS-4 molecular sieves

G Cruciani, P De Luca, A Nastro, P Pattison - Microporous and mesoporous …, 1998 - Elsevier
The crystal structure of ETS-4 titanosilicate [Na9Si12Ti5O38 (OH)· 12H2O] was refined using
synchrotron X-ray powder diffraction and the Rietveld method (Rp= 0.050; Rwp= 0.063; RB …

Progress of research on purification of CH 4 from a CH 4/CO 2/N 2 mixture by pressure swing adsorption

S Li, N Wu, Y Gong, L Wang - Sustainable Energy & Fuels, 2024 - pubs.rsc.org
The high methane (CH4) content of landfill gas, biogas, and coal bed methane (CBM)
makes them attractive substitutes for natural gas. Nevertheless, the calorific value of the …