Oil is to be extracted from meal by means of benzene using a continuous countercurrent extractor. The unit is to treat 1,000. kg of meal (based on completely exhausted solid) per hour. The untreated meal contains 400. kg of oil and is contaminated with 25 kg of benzene. The fresh solvent mixture contains 10. kg of oil and is 655 kg of benzene. The exhausted solids are to contain 60. kg of unextracted oil (hourly basis). Let's assume oil is fully synthetic and its concentration is 10%. Find the concentration of the strong solution or extract, ya; the concentration of solution adhering to the extracted solids, xb; the mass of solution leaving with the extracted meal, Lb; the mass of extract, Va; the number of ideal stages required.
Oil is to be extracted from meal by means of benzene using a continuous countercurrent extractor. The unit is to treat 1,000. kg of meal (based on completely exhausted solid) per hour. The untreated meal contains 400. kg of oil and is contaminated with 25 kg of benzene. The fresh solvent mixture contains 10. kg of oil and is 655 kg of benzene. The exhausted solids are to contain 60. kg of unextracted oil (hourly basis). Let's assume oil is fully synthetic and its concentration is 10%. Find the concentration of the strong solution or extract, ya; the concentration of solution adhering to the extracted solids, xb; the mass of solution leaving with the extracted meal, Lb; the mass of extract, Va; the number of ideal stages required.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Oil is to be extracted from meal by means of benzene using a continuous countercurrent extractor. The unit is to treat 1,000. kg of meal (based on completely exhausted solid) per hour. The untreated meal contains 400. kg of oil and is contaminated with 25 kg of benzene. The fresh solvent mixture contains 10. kg of oil and is 655 kg of benzene. The exhausted solids are to contain 60. kg of unextracted oil (hourly basis). Let's assume oil is fully synthetic and its concentration is 10%.
Find the concentration of the strong solution or extract, ya; the concentration of solution adhering to the extracted solids, xb; the mass of solution leaving with the extracted meal, Lb; the mass of extract, Va; the number of ideal stages required.
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