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5-32. A gas mixture leaves a solvent recovery unit às benzene in this stream is 80 mm Hg and the total pressure is 750 mm Hg. The volumetric analysis of the gas, on a benzene-free basis, is 15% CO, , 4% O, and the remainder is nitrogen. This gas is compressed to 5 atm and cooled to 100 F. Calculate the percentage of benzene condensed in the process. Assume that CO,, 0, and N, are insoluble in benzene, thus the liquid phase is pure benzene.

5-32. A gas mixture leaves a solvent recovery unit às benzene in this stream is 80 mm Hg and the total pressure is 750 mm Hg. The volumetric analysis of the gas, on a benzene-free basis, is 15% CO, , 4% O, and the remainder is nitrogen. This gas is compressed to 5 atm and cooled to 100 F. Calculate the percentage of benzene condensed in the process. Assume that CO,, 0, and N, are insoluble in benzene, thus the liquid phase is pure benzene.

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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**Problem 5-32:** A gas mixture leaves a solvent recovery unit as illustrated in Figure 5.32. The partial pressure of benzene in this stream is 80 mm Hg and the total pressure is 750 mm Hg. The volumetric analysis of the gas, on a benzene-free basis, is 15% CO₂, 4% O₂, and the remainder is nitrogen. This gas is compressed to 5 atm and cooled to 100°F. Calculate the percentage of benzene condensed in the process. Assume that CO₂, O₂, and N₂ are insoluble in benzene, thus the liquid phase is pure benzene. **Figure 5.32 Explanation (Hypothetical):** The figure likely shows a diagram of a solvent recovery unit where a gas mixture exits. The setup may illustrate components such as an inlet and outlet for the gas mixture, a cooling system, and possibly a compressor that affects the gas pressure and temperature. Exact measurements or process elements may be depicted to aid in understanding the calculation process for benzene condensation.
Transcribed Image Text:**Problem 5-32:** A gas mixture leaves a solvent recovery unit as illustrated in Figure 5.32. The partial pressure of benzene in this stream is 80 mm Hg and the total pressure is 750 mm Hg. The volumetric analysis of the gas, on a benzene-free basis, is 15% CO₂, 4% O₂, and the remainder is nitrogen. This gas is compressed to 5 atm and cooled to 100°F. Calculate the percentage of benzene condensed in the process. Assume that CO₂, O₂, and N₂ are insoluble in benzene, thus the liquid phase is pure benzene. **Figure 5.32 Explanation (Hypothetical):** The figure likely shows a diagram of a solvent recovery unit where a gas mixture exits. The setup may illustrate components such as an inlet and outlet for the gas mixture, a cooling system, and possibly a compressor that affects the gas pressure and temperature. Exact measurements or process elements may be depicted to aid in understanding the calculation process for benzene condensation.
## Recovery-Condenser System **Figure 5.32: Recovery-Condenser System** This diagram illustrates the recovery-condenser system used in industrial processes to handle benzene. It consists of two main components: a solvent recovery unit and a compressor and heat exchanger unit. 1. **Solvent Recovery Unit:** - The process begins with a feed entering the solvent recovery unit. This unit is designed to separate solvents like benzene from the initial mixture. 2. **Compressor and Heat Exchanger:** - The gas, which is in equilibrium with liquid benzene at 100°F, exits the solvent recovery unit and enters the compressor and heat exchanger. - This component cools and compresses the vapor, converting it into liquid form. 3. **Condensed Benzene:** - The liquid benzene obtained after the condensation process is then collected as condensed benzene. Understanding the flow of materials and the transformation of benzene during this process is essential for managing solvent recovery efficiently in industrial applications.
Transcribed Image Text:## Recovery-Condenser System **Figure 5.32: Recovery-Condenser System** This diagram illustrates the recovery-condenser system used in industrial processes to handle benzene. It consists of two main components: a solvent recovery unit and a compressor and heat exchanger unit. 1. **Solvent Recovery Unit:** - The process begins with a feed entering the solvent recovery unit. This unit is designed to separate solvents like benzene from the initial mixture. 2. **Compressor and Heat Exchanger:** - The gas, which is in equilibrium with liquid benzene at 100°F, exits the solvent recovery unit and enters the compressor and heat exchanger. - This component cools and compresses the vapor, converting it into liquid form. 3. **Condensed Benzene:** - The liquid benzene obtained after the condensation process is then collected as condensed benzene. Understanding the flow of materials and the transformation of benzene during this process is essential for managing solvent recovery efficiently in industrial applications.
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