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Saturated steam at a to heat a stream of ethone. The ethane enters a heat exchanyer at gauge pressure of 0.50 bar is used 162 and 1.5 bar gange pressure at a rate of 795 m/min and is hauted at Camstant pressure to 93%. The steom condenses and leaves the exchonger os a liguid at 20°C. The specitic enthaley of ethane t the siven prossure is 941 K5/Ks at 16°C and 1073 KT/k4 at 93%. a) How much power must be transfered to the ethere to heat it from 6C to 93°C? 5) At what rate must steam be suppled to the heat enchanger if al the energy transfernd from the steum ges to heat the ethane?

Saturated steam at a to heat a stream of ethone. The ethane enters a heat exchanyer at gauge pressure of 0.50 bar is used 162 and 1.5 bar gange pressure at a rate of 795 m/min and is hauted at Camstant pressure to 93%. The steom condenses and leaves the exchonger os a liguid at 20°C. The specitic enthaley of ethane t the siven prossure is 941 K5/Ks at 16°C and 1073 KT/k4 at 93%. a) How much power must be transfered to the ethere to heat it from 6C to 93°C? 5) At what rate must steam be suppled to the heat enchanger if al the energy transfernd from the steum ges to heat the ethane?

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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**Transcription for Educational Use:** Saturated steam at a gauge pressure of 0.50 bar is used to heat a stream of ethane. The ethane enters a heat exchanger at 16°C and 1.5 bar gauge pressure at a rate of 795 m³/min and is heated at constant pressure to 93°C. The steam condenses and leaves the exchanger as a liquid at 20°C. The specific enthalpy of ethane at the given pressure is 941 kJ/kg at 16°C and 1073 kJ/kg at 93°C. a) How much power must be transferred to the ethane to heat it from 16°C to 93°C? b) At what rate must steam be supplied to the heat exchanger if all the energy transferred from the steam goes to heat the ethane? **Additional Explanation:** This problem involves a heat exchanger where ethane is heated using steam. We have a flow rate of the entane, temperatures before and after heating, and specific enthalpy values which are key for calculations. The task is to calculate the power needed for this heating process and the amount of steam required.
Transcribed Image Text:**Transcription for Educational Use:** Saturated steam at a gauge pressure of 0.50 bar is used to heat a stream of ethane. The ethane enters a heat exchanger at 16°C and 1.5 bar gauge pressure at a rate of 795 m³/min and is heated at constant pressure to 93°C. The steam condenses and leaves the exchanger as a liquid at 20°C. The specific enthalpy of ethane at the given pressure is 941 kJ/kg at 16°C and 1073 kJ/kg at 93°C. a) How much power must be transferred to the ethane to heat it from 16°C to 93°C? b) At what rate must steam be supplied to the heat exchanger if all the energy transferred from the steam goes to heat the ethane? **Additional Explanation:** This problem involves a heat exchanger where ethane is heated using steam. We have a flow rate of the entane, temperatures before and after heating, and specific enthalpy values which are key for calculations. The task is to calculate the power needed for this heating process and the amount of steam required.
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