QUESTION 1 A triple effect forward feed evaporator concentrates a sugar solution from 8 mass % to 35%. The feed enters at 30 000 kg/h at 27°C and the pressure in the vapour space of the third effect is 16 kPa. Fresh saturated steam is available at 205 kPa. The liquid heat capacity is given by Cp = 4.19 - 2.55 x (kJ/kg.K) where x is the mass fraction of sugar. It can be assumed that the BPR's can be neglected. The overall heat transfer coefficients are: U₁ = 3.123; U2 = 1.987 and U3 = 1.136 kW/m².K. Do only one iteration. 1.1. 1.2. 1.3. Draw a flowsheet for this process. ( Determine the flow rates of the vapour and liquid streams for each evaporator. Calculate the Cp's in each effect. List all assumptions. 1.4. Determine the heat balance around each evaporator.
QUESTION 1 A triple effect forward feed evaporator concentrates a sugar solution from 8 mass % to 35%. The feed enters at 30 000 kg/h at 27°C and the pressure in the vapour space of the third effect is 16 kPa. Fresh saturated steam is available at 205 kPa. The liquid heat capacity is given by Cp = 4.19 - 2.55 x (kJ/kg.K) where x is the mass fraction of sugar. It can be assumed that the BPR's can be neglected. The overall heat transfer coefficients are: U₁ = 3.123; U2 = 1.987 and U3 = 1.136 kW/m².K. Do only one iteration. 1.1. 1.2. 1.3. Draw a flowsheet for this process. ( Determine the flow rates of the vapour and liquid streams for each evaporator. Calculate the Cp's in each effect. List all assumptions. 1.4. Determine the heat balance around each evaporator.
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
Related questions
Question
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 5 images
Recommended textbooks for you
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Industrial Plastics: Theory and Applications
Chemical Engineering
ISBN:
9781285061238
Author:
Lokensgard, Erik
Publisher:
Delmar Cengage Learning
Unit Operations of Chemical Engineering
Chemical Engineering
ISBN:
9780072848236
Author:
Warren McCabe, Julian C. Smith, Peter Harriott
Publisher:
McGraw-Hill Companies, The