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An industrial 1000kg water-oil mixture that is 20 wt% oil, is treated in a two-stage process to separate the oil from water. The first stage consisting of decantation results in a 100kg mixture that is 75 wt% oil. The remaining part is treated through a separator, but for technical restrictions had to be further diluted by adding 100kg of water before feeding it into the separator. The output streams from the separator consist of an oil-dilute (5 wt%) and an oil-concentrated (90 wt%) solution. Determine: (a) the oil mass concentration in the feed entering the separator, (b) the masses of oil in the two output streams.

An industrial 1000kg water-oil mixture that is 20 wt% oil, is treated in a two-stage process to separate the oil from water. The first stage consisting of decantation results in a 100kg mixture that is 75 wt% oil. The remaining part is treated through a separator, but for technical restrictions had to be further diluted by adding 100kg of water before feeding it into the separator. The output streams from the separator consist of an oil-dilute (5 wt%) and an oil-concentrated (90 wt%) solution. Determine: (a) the oil mass concentration in the feed entering the separator, (b) the masses of oil in the two output streams.

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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Problem2 An industrial 1000kg water-oil mixture that is 20 wt% oil, is treated in a two-stage process to separate the oil from water. The first stage consisting of decantation results in a 100kg mixture that is 75 wt% oil. The remaining part is treated through a separator, but for technical restrictions had to be further diluted by adding 100kg of water before feeding it into the separator. The output streams from the separator consist of an oil-dilute (5 wt%) and an oil-concentrated (90 wt% ) solution. Determine: (a) the oil mass concentration in the feed entering the separator, (b) the masses of oil in the two output streams.
Transcribed Image Text:Problem2 An industrial 1000kg water-oil mixture that is 20 wt% oil, is treated in a two-stage process to separate the oil from water. The first stage consisting of decantation results in a 100kg mixture that is 75 wt% oil. The remaining part is treated through a separator, but for technical restrictions had to be further diluted by adding 100kg of water before feeding it into the separator. The output streams from the separator consist of an oil-dilute (5 wt%) and an oil-concentrated (90 wt% ) solution. Determine: (a) the oil mass concentration in the feed entering the separator, (b) the masses of oil in the two output streams.
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