Adsorptive Separation of Olefin/Paraffin Mixtures with ZIF-4.
The microporous zeolitic imidazolate framework ZIF-4 has been synthesized, and its ethylene/ethane and propylene/propane separation potentials have been evaluated by single-component adsorption isotherms and breakthrough experiments of the respective binary mixtures. In all experiments, a higher selectivity for the paraffin is observed that is manifested by a steeper equilibrium isotherm as well as a later breakthrough in the fixed-bed adsorber experiments. Microporous adsorbents with paraffin selectivity are rare but highly interesting for cyclic adsorption processes such as pressure-swing adsorption (PSA).
Erlangen Catalysis Resource Center (ECRC), Friedrich-Alexander-Universität Erlangen-Nürnberg , Egerlandstr. 3, 91058 Erlangen, Germany.
Martin
M
Hartmann
Erlangen Catalysis Resource Center (ECRC), Friedrich-Alexander-Universität Erlangen-Nürnberg , Egerlandstr. 3, 91058 Erlangen, Germany.
Ulrike
U
Böhme
Erlangen Catalysis Resource Center (ECRC), Friedrich-Alexander-Universität Erlangen-Nürnberg , Egerlandstr. 3, 91058 Erlangen, Germany.
Maximilian
M
Hovestadt
Erlangen Catalysis Resource Center (ECRC), Friedrich-Alexander-Universität Erlangen-Nürnberg , Egerlandstr. 3, 91058 Erlangen, Germany.
Carolin
C
Paula