Recovery of a solvent vapor from a gas stream by condensation can be achieved by cooling...
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Recovery of a solvent vapor from a gas stream by condensation can be achieved by cooling the gas, by compressing it, or by a combination of these operations. The greater the compression, the less cooling is needed. A gas mixture at a pressure Po and temperature To is the feed to a recovery process. A single condensable vapor and several noncondensable gases are present in the mixture, giving the feed a dew point of Tao. A fraction f of the vapor is to be condensed. For a gas feed rate of ho, draw and label a flowchart. Then derive the following relationship for the final condenser pressure in terms of the final temperature Tr and the specified feed conditions and fractional solvent recovery: P, =P°(T:)[1 – fp"(Ta»)/Po] (1-p (T)/Po Also show that for a given final condenser pressure, the vapor pressure of the condensable component is given by P:(1-f)p (Tao) Po-fp"(T0) p'(T); = Recovery of a solvent vapor from a gas stream by condensation can be achieved by cooling the gas, by compressing it, or by a combination of these operations. The greater the compression, the less cooling is needed. A gas mixture at a pressure Po and temperature To is the feed to a recovery process. A single condensable vapor and several noncondensable gases are present in the mixture, giving the feed a dew point of Tao. A fraction f of the vapor is to be condensed. For a gas feed rate of ho, draw and label a flowchart. Then derive the following relationship for the final condenser pressure in terms of the final temperature Tr and the specified feed conditions and fractional solvent recovery: P, =P°(T:)[1 – fp"(Ta»)/Po] (1-p (T)/Po Also show that for a given final condenser pressure, the vapor pressure of the condensable component is given by P:(1-f)p (Tao) Po-fp"(T0) p'(T); =
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Related Book For
Fundamentals of Thermodynamics
ISBN: 978-0471152323
6th edition
Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen
Posted Date:
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