Journal article

Temperature controlled invertible selectivity for adsorption of N-2 and CH4 by molecular trapdoor chabazites

Jin Shang, Gang Li, Qinfen Gu, Ranjeet Singh, Penny Xiao, Jefferson Z Liu, Paul A Webley

CHEMICAL COMMUNICATIONS | ROYAL SOC CHEMISTRY | Published : 2014

Abstract

We report an unusual operating regime for a chabazite zeolite in which the adsorption selectivity for N2 over CH4 inverts from being more selective for N2 at 253 K, to becoming less selective with increasing temperature and eventually becoming selective for CH4 over N2 above 293 K.

Grants

Awarded by Australian Research Council


Funding Acknowledgements

This research was undertaken on the powder X-ray diffraction beamline at the Australian Synchrotron, Victoria, Australia. J. Shang, P. A. Webley, and J. Z. Liu acknowledge the Australian Research Council for providing the funding (funding NO. 2013000024) and acknowledge National Computational Infrastructure at Australian National University and Monash Sun Grid high-performance computing facility at Monash University for providing the computational resource. G. Li is the recipient of an Australian Research Council Discovery Early Career Researcher Award (DE140101824).