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In the production of soybean oil, dried and flaked soybeans are brought into contact with a solvent (often hexane) that extracts the oil and leaves behind the residual solids and a small amount of oil. a) Draw a flowchart of the process, labeling the two feed streams (beans and solvent) and the cleaving streams (solids and extract). The soybeans contain 20.5 wt% oil and the remainder insoluble solids, and the hexane is fed at a rate corresponding to 2 kg hexane per kg beans. The solids stream leaving the extraction unit contains 35 wt% hexane, all of the non-oil solids that entered with the beans, and 0.75% of the oil that entered with the beans b) For a feed rate of 1250 kg/h of dried flaked soybeans, calculate the mass flow rates and compositions of the extract and residual solids. Extract: kg/h Solids: kg/h wt% oil % wt% oil wt% hexane wt% hexane % wt% non solids %

In the production of soybean oil, dried and flaked soybeans are brought into contact with a solvent (often hexane) that extracts the oil and leaves behind the residual solids and a small amount of oil. a) Draw a flowchart of the process, labeling the two feed streams (beans and solvent) and the cleaving streams (solids and extract). The soybeans contain 20.5 wt% oil and the remainder insoluble solids, and the hexane is fed at a rate corresponding to 2 kg hexane per kg beans. The solids stream leaving the extraction unit contains 35 wt% hexane, all of the non-oil solids that entered with the beans, and 0.75% of the oil that entered with the beans b) For a feed rate of 1250 kg/h of dried flaked soybeans, calculate the mass flow rates and compositions of the extract and residual solids. Extract: kg/h Solids: kg/h wt% oil % wt% oil wt% hexane wt% hexane % wt% non solids %

Introduction to Chemical Engineering Thermodynamics
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
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3. In the production of soybean oil, dried and flaked soybeans are brought into contact with a solvent (often hexane) that extracts the oil and leaves behind the residual solids and a small amount of oil. a) Draw a flowchart of the process, labeling the two feed streams (beans and solvent) and the cleaving streams (solids and extract). The soybeans contain 20.5 wt% oil and the remainder insoluble solids, and the hexane is fed at a rate corresponding to 2 kg hexane per kg beans. The solids stream leaving the extraction unit contains 35 wt% hexane, all of the non-oil solids that entered with the beans, and 0.75% of the oil that entered with the beans b) For a feed rate of 1250 kg/h of dried flaked soybeans, calculate the mass flow rates and compositions of the extract and residual solids. kg/h % Extract: Solids: kg/h wt% oil wt% oil % wt% hexane wt% hexane % wt% non solids %
Transcribed Image Text:3. In the production of soybean oil, dried and flaked soybeans are brought into contact with a solvent (often hexane) that extracts the oil and leaves behind the residual solids and a small amount of oil. a) Draw a flowchart of the process, labeling the two feed streams (beans and solvent) and the cleaving streams (solids and extract). The soybeans contain 20.5 wt% oil and the remainder insoluble solids, and the hexane is fed at a rate corresponding to 2 kg hexane per kg beans. The solids stream leaving the extraction unit contains 35 wt% hexane, all of the non-oil solids that entered with the beans, and 0.75% of the oil that entered with the beans b) For a feed rate of 1250 kg/h of dried flaked soybeans, calculate the mass flow rates and compositions of the extract and residual solids. kg/h % Extract: Solids: kg/h wt% oil wt% oil % wt% hexane wt% hexane % wt% non solids %
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