Composite membranes for olefin/paraffin separation
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United States of America Patent
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May 16, 2017
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May 6, 2015
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May 8, 2014
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Abstract
This invention presents a metal-doped zeolite membrane-based apparatus containing molecular sieving zeolite thin film on the seeded porous substrate. The metal-doped zeolite membrane exhibits high selectivity to olefin over paraffins. The membrane is synthesized by seed coating and secondary growth method, followed by metal doping and post treatment processes.
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