Abstract
The effect of operating parameters on the batch scale separation of hydrocarbon mixture (benzene and hexane) usingemulsion liquid membrane technique is reported. Sparkleen detergent was used as surfactant and heavy mineral oil assolvent to receive the permeates.From the experimental results, the parameters that influenced the permeation are, composition of feed, contact timewith solvent, ratio of volume of solvent to volume of hydrocarbon feed, ratio of volume of surfactant solution to volumeof hydrocarbon feed, surfactant concentration, mixing intensity and glycerol as polar additive in the surfactant solutionto eliminate drop breakup.The best conditions for the separation in this study were found to be: composition of feed (mole fraction ofbenzene=0.5245), contact time of 10min. , ratio of volumes of solvent to feed equal 3.5 , ratio of volumes of surfactantsolution to feed of 0.4, surfactant concentration of 1wt%, mixing intensity equal 1000rpm and 70% by weight of polaradditive. These conditions gave a separation factor of (8.0).
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