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Core–shell zeolite composite with enhanced selectivity for the separation of branched paraffin isomers
- Source :
-
Microporous & Mesoporous Materials . Mar2013, Vol. 169, p212-217. 6p. - Publication Year :
- 2013
-
Abstract
- Abstract: A zeolite beta–silicalite-1 composite was prepared by growing polycrystalline silicalite-1 shells on single micron-sized zeolite beta crystals. The obtained core–shell material was employed for the separation of hexane isomers. Gravimetric uptake measurements revealed that the silicalite-1 shell acted as a membrane that controlled the transport to zeolite beta core. The positive impact of the silicalite-1 membrane on the separation of mono- and di-branched hexane isomers was confirmed by breakthrough experiments. The core–shell composite material allowed more selective separation of mono- and di-branched isomers than either of its components alone and had a significantly higher adsorption capacity than silicalite-1. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 13871811
- Volume :
- 169
- Database :
- Academic Search Index
- Journal :
- Microporous & Mesoporous Materials
- Publication Type :
- Academic Journal
- Accession number :
- 85022397
- Full Text :
- https://doi.org/10.1016/j.micromeso.2012.11.016