feed flow 140 kg/h feed concentration 13% evaporator outlet 51% final concentration 45% Please draw the flowchart to clearly visualise the flowdiagram. Your dataset contains all the input data for solving the numerical problems. Task 1: Solve this problem by hand calculation. Fresh blueberry juice contains an initial concentration of dissolved solids in mass with the balance being water. It is to be processed to obtain a concentrated sample with higher final concentration of dissolved solids for easier transportation. For that purpose, an initial process was evaluated where a feed of juice with is fed into an evaporator as a single process. However, for this initial process, some volatile flavouring components were evaporated with the water leaving the product with a modified taste. The problem was overcome by bypassing the evaporators with a fraction of the fresh blueberry feed and mixing with the evaporator product stream to get a final product of required concentration with improved flavour. (a) Draw and label a process flow diagram to represent the improved process, neglecting the evaporation of volatile components with the water (assume the stream is purely water). (b) Apply balance boxes and calculate the degree of freedom analysis for each balance box. For example, demonstrate that the balance box where the feed stream is split and bypassed from the evaporator has a degree of freedom of 1 . (c) Write the order of equations that will be used to determine all unknown variables. (d) Calculate the amount of final product produced per 100kgh of fresh juice fed to the process and the fraction of the feed that bypasses the evaporator.
feed flow 140 kg/h feed concentration 13% evaporator outlet 51% final concentration 45% Please draw the flowchart to clearly visualise the flowdiagram. Your dataset contains all the input data for solving the numerical problems. Task 1: Solve this problem by hand calculation. Fresh blueberry juice contains an initial concentration of dissolved solids in mass with the balance being water. It is to be processed to obtain a concentrated sample with higher final concentration of dissolved solids for easier transportation. For that purpose, an initial process was evaluated where a feed of juice with is fed into an evaporator as a single process. However, for this initial process, some volatile flavouring components were evaporated with the water leaving the product with a modified taste. The problem was overcome by bypassing the evaporators with a fraction of the fresh blueberry feed and mixing with the evaporator product stream to get a final product of required concentration with improved flavour. (a) Draw and label a process flow diagram to represent the improved process, neglecting the evaporation of volatile components with the water (assume the stream is purely water). (b) Apply balance boxes and calculate the degree of freedom analysis for each balance box. For example, demonstrate that the balance box where the feed stream is split and bypassed from the evaporator has a degree of freedom of 1 . (c) Write the order of equations that will be used to determine all unknown variables. (d) Calculate the amount of final product produced per 100kgh of fresh juice fed to the process and the fraction of the feed that bypasses the 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
feed flow 140 kg/h
feed concentration 13%
evaporator outlet 51%
final concentration 45%
Please draw the flowchart to clearly visualise the flowdiagram. Your dataset contains all the input data for solving
the numerical problems.
Task 1:
Solve this problem by hand calculation.
Fresh blueberry juice contains an initial concentration of dissolved solids in
mass with the balance being water. It is to be processed to obtain a
concentrated sample with higher final concentration of dissolved solids for
easier transportation.
For that purpose, an initial process was evaluated where a feed of juice with
is fed into an evaporator as a single process. However, for this initial
process, some volatile flavouring components were evaporated with the
water leaving the product with a modified taste.
The problem was overcome by bypassing the evaporators with a fraction of
the fresh blueberry feed and mixing with the evaporator product stream to
get a final product of required concentration with improved flavour.
(a) Draw and label a process flow diagram to represent the improved
process, neglecting the evaporation of volatile components with the
water (assume the stream is purely water).
(b) Apply balance boxes and calculate the degree of freedom analysis
for each balance box. For example, demonstrate that the balance
box where the feed stream is split and bypassed from the evaporator
has a degree of freedom of 1 .
(c) Write the order of equations that will be used to determine all
unknown variables.
(d) Calculate the amount of final product produced per 100kgh of fresh
juice fed to the process and the fraction of the feed that bypasses the
evaporator.
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