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The permeation properties ofn-butane,i-butane andn-butane/i-butane mixture (n-butane 24.3% (molar ratio),i-butane 75.7%) through a tubular silicalite-1 zeolite membrane were studied at 298 and 473 K respectively. The permselectivities ofn-butane andi-butane under pressure difference of 0.06 MPa at 298 and 473 K were 16.3 and 7.4 respectively. The separation factors ofn-butane/i-butane mixture were...
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