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Q4: Answer only two of the following: (a) 3.5 kg/s of a liquid feed containing solute B dissolved in component A is to be treated with a solvent (S) in a four co-current contact unit. The concentration of B in feed is 28.6% by weight. If 1.5 kg/s solvent (S) is added to each stage, what is the composition of the raffinate and extract leaving the fourth stage. The equilibrium relationship is Y= 0.67X. Y and X are the concentration in the extract and raffinate respectively. (b) Enumerate the main methods used in distillation. (c) Specify the necessary factors for the design of the absorber.

Q4: Answer only two of the following: (a) 3.5 kg/s of a liquid feed containing solute B dissolved in component A is to be treated with a solvent (S) in a four co-current contact unit. The concentration of B in feed is 28.6% by weight. If 1.5 kg/s solvent (S) is added to each stage, what is the composition of the raffinate and extract leaving the fourth stage. The equilibrium relationship is Y= 0.67X. Y and X are the concentration in the extract and raffinate respectively. (b) Enumerate the main methods used in distillation. (c) Specify the necessary factors for the design of the absorber.

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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Q4: Answer only two of the following: (a) 3.5 kg/s of a liquid feed containing solute B dissolved in component A is to be treated with a solvent (S) in a four co-current contact unit. The concentration of B in feed is 28.6% by weight. If 1.5 kg/s solvent (S) is added to each stage, what is the composition of the raffinate and extract leaving the fourth stage. The equilibrium relationship is Y= 0.67X. Y and X are the concentration in the extract and raffinate respectively. (b) Enumerate the main methods used in distillation. (c) Specify the necessary factors for the design of the absorber.
Transcribed Image Text:Q4: Answer only two of the following: (a) 3.5 kg/s of a liquid feed containing solute B dissolved in component A is to be treated with a solvent (S) in a four co-current contact unit. The concentration of B in feed is 28.6% by weight. If 1.5 kg/s solvent (S) is added to each stage, what is the composition of the raffinate and extract leaving the fourth stage. The equilibrium relationship is Y= 0.67X. Y and X are the concentration in the extract and raffinate respectively. (b) Enumerate the main methods used in distillation. (c) Specify the necessary factors for the design of the absorber.
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