Countercurrent Leaching of Flaked Soybeans. Soybean flakes containing 22 wt % oil are to be leached in a countercurrent multistage process to contain 0.8 kg oil/100 kg inert solid using fresh and pure hexane solvent. For every 1000 kg soybeans, 1000 kg hexane is used. Experiments (S1) give the following retention of solution with the solids in the underflow, where N is kg inert solid/kg solution retained and y4 is wt fraction of oil in solution. 1.73 1.52 0.20 1.43 0.30 Calculate the exit flows and compositions and the number of theoretical stages needed
Countercurrent Leaching of Flaked Soybeans. Soybean flakes containing 22 wt % oil are to be leached in a countercurrent multistage process to contain 0.8 kg oil/100 kg inert solid using fresh and pure hexane solvent. For every 1000 kg soybeans, 1000 kg hexane is used. Experiments (S1) give the following retention of solution with the solids in the underflow, where N is kg inert solid/kg solution retained and y4 is wt fraction of oil in solution. 1.73 1.52 0.20 1.43 0.30 Calculate the exit flows and compositions and the number of theoretical stages needed
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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Transcribed Image Text:Countercurrent Leaching of Flaked Soybeans. Soybean flakes containing 22 wt
% oil are to be leached in a countercurrent multistage process to contain 0.8 kg
oil/100 kg inert solid using fresh and pure hexane solvent. For every 1000 kg
soybeans, 1000 kg hexane is used. Experiments (S1) give the following retention
of solution with the solids in the underflow, where N is kg inert solid/kg solution
retained and y a is wt fraction of oil in solution.
N
1.73
1.52
0.20
1.43
0.30
Calculate the exit flows and compositions and the number of theoretical
stages needed.
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