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1. Write an energy balance on the system specifying all assumptions. 2. Determine the heat requirements of the process as kJ (enter the your numerical answer without sign and without units). 3. Specifying if heat has to be supplied or removed. Mwo2= 32 g/mol

1. Write an energy balance on the system specifying all assumptions. 2. Determine the heat requirements of the process as kJ (enter the your numerical answer without sign and without units). 3. Specifying if heat has to be supplied or removed. Mwo2= 32 g/mol

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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1. Write an energy balance on the system specifying all assumptions. 2. Determine the heat requirements of the process as kJ (enter the your numerical answer without sign and without units). 3. Specifying if heat has to be supplied or removed. Mwo2= 32 g/mol ΔΗΧη = -460 kJ/mol O2 consumed HINT: the system is isothermal (TIN=TOUT) HINT: note that reactants are fully converted
Transcribed Image Text:1. Write an energy balance on the system specifying all assumptions. 2. Determine the heat requirements of the process as kJ (enter the your numerical answer without sign and without units). 3. Specifying if heat has to be supplied or removed. Mwo2= 32 g/mol ΔΗΧη = -460 kJ/mol O2 consumed HINT: the system is isothermal (TIN=TOUT) HINT: note that reactants are fully converted
Citric acid is synthesized by fermentation at 32°C. In the process, glucose, oxygen and ammonia are fed to the system and citric acid, bacteria and other products are generated. The reaction can be written as: glucose + O2 + NH3 = biomass + CO2 + H2O + citric acid The system includes a mechanical stirrer that provides supplies 15kW to the system. A schematic of the process is given below with Q indicating the heat requirement of the process. Ws (kJ) Citric acid Glucose Biomass Ammonia Water vapor Охуgen Water Q (kJ) The heat of reaction at the operating temperature is -460kJ/gmol of oxygen consumed. In the reactor, 2500 kg of glucose and 860 kg of oxygen are completely converted in 3 days. And during that time, 100 kg of water is evaporated.
Transcribed Image Text:Citric acid is synthesized by fermentation at 32°C. In the process, glucose, oxygen and ammonia are fed to the system and citric acid, bacteria and other products are generated. The reaction can be written as: glucose + O2 + NH3 = biomass + CO2 + H2O + citric acid The system includes a mechanical stirrer that provides supplies 15kW to the system. A schematic of the process is given below with Q indicating the heat requirement of the process. Ws (kJ) Citric acid Glucose Biomass Ammonia Water vapor Охуgen Water Q (kJ) The heat of reaction at the operating temperature is -460kJ/gmol of oxygen consumed. In the reactor, 2500 kg of glucose and 860 kg of oxygen are completely converted in 3 days. And during that time, 100 kg of water is evaporated.
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