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Calculate Fractional Recovery Of Hexane

Question

Oil is extracted from soybeans using liquid n-hexane as a solvent. The residue from the extraction unit contains 0.78kg hexane/kg of dry solids. The residue is contacted in a dryer with Nitrogen that has an inlet temperature of 85°C. The solids that leave the dryer unit contain 0.05kg of residual hexane/kg of dry solids. The gas leaves the dryer at 80°C & 1 atm with a relative saturation of 70%. The gas is then compressed to 5 atm in a condenser & cooled to 28°C. Some hexane is collected as condensate. Calculate fractional recovery of hexane in terms of kg condensed/kg fed in the wet solids.

 

Summary

The question belongs to Chemistry and it is about calculating the fractional recovery of hexane in terms of kg condensed by kg fed.

Total Word Count 68

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    Giuseppe

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