Ethene/Ethane and Propene/Propane Separation via the Olefin and Paraffin Selective Metal–Organic Framework Adsorbents CPO-27 and ZIF-8
作者： Ulrike Böhme , Benjamin Barth , Carolin Paula , Andreas Kuhnt , Wilhelm Schwieger
DOI: 10.1021/LA401471G
关键词:
摘要: Two types of metal–organic frameworks (MOFs) have been synthesized and evaluated in the separation of C2 and C3 olefins and paraffins. Whereas Co2 (dhtp)(= Co–CPO-27= Co–MOF-74) and Mg2 (dhtp) show an adsorption selectivity for the olefins ethene and propene over the paraffins ethane and propane, the zeolitic imidazolate framework ZIF-8 behaves in the opposite way and preferentially adsorbs the alkane. Consequently, in breakthrough experiments, the olefins or paraffins, respectively, can be separated.
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