Question 3 A solid-liquid continuous extraction battery is to be used to extract oil from mean using benzene. The unit s

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Question 3 A Solid Liquid Continuous Extraction Battery Is To Be Used To Extract Oil From Mean Using Benzene The Unit S 1 (74.9 KiB) Viewed 45 times

Question 3 A solid-liquid continuous extraction battery is to be used to extract oil from mean using benzene. The unit should be able to process 1 tonne of meal (based on completely exhausted meal) every hour. The meal fed to the inlet of the cascade contains 400 kg of oil and is contaminated with 25 kg of benzene. The solvent feed contains 10 kg oil and 655 kg benzene. The process should be designed in order for the exhausted solids to include 60 kg of unextracted oil. Lab-based experiments have been conducted to resemble the conditions of the battery. The lab data is tabulated in the table below. Concentration (kg/kgolution oll Solution Retained (kg/kg olid Concentration (kg/kg.olution Solution Retained (kg/kg olid oll 0.0 0.500 0.4 0.550 0.571 0.1 0.505 0,5 0.2 0.515 0.6 0.595 0.3 0.530 0.7 0.620 Calculate: a) the concentration of the strong solution [5%]; b) the concentration of the adhering solution to the extracted solids (10%]; c) the mass of solution leaving with the extracted meal [5%]; d) the mass of extract [5%); e) explain the position of the equilibrium curve on an x-y diagram for a leaching process operating under ideal-stage operation (5%).