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Problem #3 (35%). Vinyl chloride is synthesized through the following reaction of acetylene and hydrochloric acid: C2 H2 + HCl –→ CH2CHCI The following undesired reaction also occurs simultaneously, producing dichlorethane instead: C2 H2 + 2HCI C2 H4C12 These reactions occur in a reactor during the manufacture of vinyl chloride. In this process, the feed to the reactor contains 100 Kmol/h of acetylene. The same feed also contains HCI, 16% in excess of that needed if the desired reaction went to completion, as well as 1.2 Kmol/h of an inert contaminant (water vapor). The single-pass fractional conversion of acetylene in the reactor is 12%, and 94% of the C2H2 so reacted is consumed in the first reaction to form vinyl chloride. The only stream leaving the reactor goes to a separation unit where all the vinyl chloride and all the dichlorethane are condensed and removed through a bottom liquid stream. This liquid stream contains nothing else. The top gaseous stream from the separator is split between a purge stream that leaves the process and a recycle stream that is combined with the fresh feed to the process to form the feed to the reactor. The fresh feed to the process contains 0.1 mole% of the inert contaminant. Draw a schematic and balance the whole process. You are not required to conduct a DOF analysis. Recommended Approach:

Problem #3 (35%). Vinyl chloride is synthesized through the following reaction of acetylene and hydrochloric acid: C2 H2 + HCl –→ CH2CHCI The following undesired reaction also occurs simultaneously, producing dichlorethane instead: C2 H2 + 2HCI C2 H4C12 These reactions occur in a reactor during the manufacture of vinyl chloride. In this process, the feed to the reactor contains 100 Kmol/h of acetylene. The same feed also contains HCI, 16% in excess of that needed if the desired reaction went to completion, as well as 1.2 Kmol/h of an inert contaminant (water vapor). The single-pass fractional conversion of acetylene in the reactor is 12%, and 94% of the C2H2 so reacted is consumed in the first reaction to form vinyl chloride. The only stream leaving the reactor goes to a separation unit where all the vinyl chloride and all the dichlorethane are condensed and removed through a bottom liquid stream. This liquid stream contains nothing else. The top gaseous stream from the separator is split between a purge stream that leaves the process and a recycle stream that is combined with the fresh feed to the process to form the feed to the reactor. The fresh feed to the process contains 0.1 mole% of the inert contaminant. Draw a schematic and balance the whole process. You are not required to conduct a DOF analysis. Recommended Approach:

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 #3 (35%) Vinyl chloride is synthesized through the following reaction of acetylene and hydrochloric acid: C2 H2+ HCl → CH2CHC The following undesired reaction also occurs simultaneously, producing dichlorethane instead: C2 H2 + 2HCI C2 H4CL2 - These reactions occur in a reactor during the manufacture of vinyl chloride. In this process, the feed to the reactor contains 100 Kmol/h of acetylene. The same feed also contains HCI, 16% in excess of that needed if the desired reaction went to completion, as well as 1.2 Kmol/h of an inert contaminant (water vapor). The single-pass fractional conversion of acetylene in the reactor is 12%, and 94% of the C2H2 so reacted is consumed in the first reaction to form vinyl chloride. The only stream leaving the reactor goes to a separation unit where all the vinyl chloride and all the dichlorethane are condensed and removed through a bottom liquid stream. This liquid stream contains nothing else. The top gaseous stream from the separator is split between a purge stream that leaves the process and a recycle stream that is combined with the fresh feed to the process to form the feed to the reactor. The fresh feed to the process contains 0.1 mole% of the inert contaminant. Draw a schematic and balance the whole process. You are not required to conduct a DOF analysis. Recommended Approach:
Transcribed Image Text:Problem #3 (35%) Vinyl chloride is synthesized through the following reaction of acetylene and hydrochloric acid: C2 H2+ HCl → CH2CHC The following undesired reaction also occurs simultaneously, producing dichlorethane instead: C2 H2 + 2HCI C2 H4CL2 - These reactions occur in a reactor during the manufacture of vinyl chloride. In this process, the feed to the reactor contains 100 Kmol/h of acetylene. The same feed also contains HCI, 16% in excess of that needed if the desired reaction went to completion, as well as 1.2 Kmol/h of an inert contaminant (water vapor). The single-pass fractional conversion of acetylene in the reactor is 12%, and 94% of the C2H2 so reacted is consumed in the first reaction to form vinyl chloride. The only stream leaving the reactor goes to a separation unit where all the vinyl chloride and all the dichlorethane are condensed and removed through a bottom liquid stream. This liquid stream contains nothing else. The top gaseous stream from the separator is split between a purge stream that leaves the process and a recycle stream that is combined with the fresh feed to the process to form the feed to the reactor. The fresh feed to the process contains 0.1 mole% of the inert contaminant. Draw a schematic and balance the whole process. You are not required to conduct a DOF analysis. Recommended Approach:
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