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2. Cyclohexane (C6H12) can be made by the reaction of 100 mole of benzene (CH) with hydrogen (H₂) according to the following reaction: C6H6 + 3 H₂→ C6H12 For the process, the fresh feed stream containing C&H and 20% excess H₂ joins a recycle stream and then the combined stream is fed to a reactor. The reactor outlet stream enters a separator unit in which producing two streams, recycle and product streams. The stream leaving the separator unit which contains 22.74 mole % benzene and 78.26 mole % hydrogen is the recycle stream that combines with the fresh feed while the product stream from the separator containing product and unreacted reactants. The single-pass conversion of benzene through the reactor is 20% and the overall conversion of benzene is 95 %. a. Draw and label the flowchart completely. b. Determine the mole ratio of the recycle stream to the fresh feed stream. (Ratio=3.58) c. Explain the purpose of using recycle in this process. Keywords such as overall conversion, limiting reactant and product yield must be included in the explanation).

2. Cyclohexane (C6H12) can be made by the reaction of 100 mole of benzene (CH) with hydrogen (H₂) according to the following reaction: C6H6 + 3 H₂→ C6H12 For the process, the fresh feed stream containing C&H and 20% excess H₂ joins a recycle stream and then the combined stream is fed to a reactor. The reactor outlet stream enters a separator unit in which producing two streams, recycle and product streams. The stream leaving the separator unit which contains 22.74 mole % benzene and 78.26 mole % hydrogen is the recycle stream that combines with the fresh feed while the product stream from the separator containing product and unreacted reactants. The single-pass conversion of benzene through the reactor is 20% and the overall conversion of benzene is 95 %. a. Draw and label the flowchart completely. b. Determine the mole ratio of the recycle stream to the fresh feed stream. (Ratio=3.58) c. Explain the purpose of using recycle in this process. Keywords such as overall conversion, limiting reactant and product yield must be included in the explanation).

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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2. Cyclohexane (CH2) can be made by the reaction of 100 mole of benzene (CH) with hydrogen (H₂) according to the following reaction: C6H6+ 3 H₂→ C6H12 For the process, the fresh feed stream containing CeH and 20% excess H₂ joins a recycle stream and then the combined stream is fed to a reactor. The reactor outlet stream enters a separator unit in which producing two streams, recycle and product streams. The stream leaving the separator unit which contains 22.74 mole % benzene and 78.26 mole % hydrogen is the recycle stream that combines with the fresh feed while the product stream from the separator containing product and unreacted reactants. The single-pass conversion of benzene through the reactor is 20% and the overall conversion of benzene is 95 %. a. Draw and label the flowchart completely. b. Determine the mole ratio of the recycle stream to the fresh feed stream. (Ratio=3.58) c. Explain the purpose of using recycle in this process. Keywords such as overall conversion, limiting reactant and product yield must be included in the explanation).
Transcribed Image Text:2. Cyclohexane (CH2) can be made by the reaction of 100 mole of benzene (CH) with hydrogen (H₂) according to the following reaction: C6H6+ 3 H₂→ C6H12 For the process, the fresh feed stream containing CeH and 20% excess H₂ joins a recycle stream and then the combined stream is fed to a reactor. The reactor outlet stream enters a separator unit in which producing two streams, recycle and product streams. The stream leaving the separator unit which contains 22.74 mole % benzene and 78.26 mole % hydrogen is the recycle stream that combines with the fresh feed while the product stream from the separator containing product and unreacted reactants. The single-pass conversion of benzene through the reactor is 20% and the overall conversion of benzene is 95 %. a. Draw and label the flowchart completely. b. Determine the mole ratio of the recycle stream to the fresh feed stream. (Ratio=3.58) c. Explain the purpose of using recycle in this process. Keywords such as overall conversion, limiting reactant and product yield must be included in the explanation).
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