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In a solid-liquid extraction process operated according to the principle of continuous reverse current the oil of a nutrient will be extracted with pure hexane. As long as 7200 kg of inert solid, 1200 kg of oil and a mixture containing 400 kg of hexane is introduced. The upper current leaving the total stage, by weight it contains 60% hexane and 40% oil. A total of 85% of the oil in the inlet current will be recovered. Under the flow is constant at N = 2.0 kg inert solid/kg solution. According to this, a) The quantity and composition of the output currents, b) Find the number of theoretical stages required to perform the extraction.

In a solid-liquid extraction process operated according to the principle of continuous reverse current the oil of a nutrient will be extracted with pure hexane. As long as 7200 kg of inert solid, 1200 kg of oil and a mixture containing 400 kg of hexane is introduced. The upper current leaving the total stage, by weight it contains 60% hexane and 40% oil. A total of 85% of the oil in the inlet current will be recovered. Under the flow is constant at N = 2.0 kg inert solid/kg solution. According to this, a) The quantity and composition of the output currents, b) Find the number of theoretical stages required to perform the extraction.

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
Problem 1.1P
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In a solid - liquid extraction process operated according to the principle of continuous reverse current the oil of a nutrient will be extracted with pure hexane. As long as 7200 kg of inert solid, 1200 kg of oil and a mixture containing 400 kg of hexane is introduced. The upper current leaving the total stage, by weight it contains 60% hexane and 40% oil. A total of 85% of the oil in the inlet current will be recovered. Under the flow is constant at N = 2.0 kg inert solid/kg solution. According to this, a) The quantity and composition of the output currents, b) Find the number of theoretical stages required to perform the extraction.
Transcribed Image Text:In a solid - liquid extraction process operated according to the principle of continuous reverse current the oil of a nutrient will be extracted with pure hexane. As long as 7200 kg of inert solid, 1200 kg of oil and a mixture containing 400 kg of hexane is introduced. The upper current leaving the total stage, by weight it contains 60% hexane and 40% oil. A total of 85% of the oil in the inlet current will be recovered. Under the flow is constant at N = 2.0 kg inert solid/kg solution. According to this, a) The quantity and composition of the output currents, b) Find the number of theoretical stages required to perform the extraction.
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