Question: Essential oils from plants are extracted using hexane. The extract contains 0.60 kg of hexane/kg dry solids and enters a drying unit that uses an

Essential oils from plants are extracted using hexane. The extract contains 0.60 kg of hexane/kg dry solids and enters a drying unit that uses an inert (nitrogen) at 80C to evaporate the hexane. The solids leave the dryer with 3 wt% hexane and the gas leaves at 75C and 1 atm. with a relative saturation of 60%. This gas enters a condenser-compressor that operates at 25C and 5 atm. How much liquid hexane is recovered from the condenser? What is the fractional recovery of hexane in this process/?

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