Water vapour (V) Recycle (R) 0.6 kg KNO3 The water (M) Mixer Evaporator Crystallizer s0 wt. NKNO Feed (F) - 1000 kg/hr 19 wt. % KNO3 95 wt. % KNO3 Crystals (C) E

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
icon
Related questions
Question

o hrd-principle s..
->
Sheet 12- Principle
Dr. Hameed R. Alamery
Q3// Potassium nitrate solution (F) containing 19 wt. %KNO3 are continuously fed to the
process consists of mixer, evaporator and erystallizer at rate of 1000 kg/hr as shown in the
following block diagram. Calculate the flow rate of all streams in the process and
composition (wt. %) of total feed stream (T).
Water vapour (V)
Recycle (R)
0.6 kg KNO3
1kg water
(T)
(M)
Mixer
Evaporator
Crystallizer
Feed (F) - 1000 kg/hr
50 wt. NKNO3
95 wt.
KNO3
19 wt. % KNO3
Crystals (C)
Ans. C= 200; V= 800; M-900; R= 720; T= 1720 kg/hr
Composition of T: 26.7 % KNO3
Q4/ Preparation of caustic soda solution is usually carried out by a two-step process as
shown in the following block diagram. Part of water (WI) is added to the first tank, whereas
the second part (W2) is by passed due to the high heat of dissolution. Calculate the mass
ratio of (wl/w2).
Solid NaOH (F)
By pass (W2)
Dilute
Water
Solution (D)
(W)
(wi)
(M)
24% NaOH
Divider
Dissolution
Dilution
tank
Ans.: W1/W2 = 0.52
2
Sheet 12- Principle
Dr. Hameed R Alamery
Q5/ Ethanol is manufactured by catalytic hydration of ethylene:-
C2H4 + H20 - C2H50H
Mwt.
28
18
46
The molal ratio of water to ethylene in total feed input to the reactor = 3/5. Conversion of
ethylene = 5%. Calculate the flow rates of streams F2, P.W and R.
Recycle (R) C2H4
F1 - 224 Ib/hr
C2H4
94 wt
Ethanol
6 wt. % water
Mixer
Reactor
Separator
F2 (Water)
II
<>
Transcribed Image Text:o hrd-principle s.. -> Sheet 12- Principle Dr. Hameed R. Alamery Q3// Potassium nitrate solution (F) containing 19 wt. %KNO3 are continuously fed to the process consists of mixer, evaporator and erystallizer at rate of 1000 kg/hr as shown in the following block diagram. Calculate the flow rate of all streams in the process and composition (wt. %) of total feed stream (T). Water vapour (V) Recycle (R) 0.6 kg KNO3 1kg water (T) (M) Mixer Evaporator Crystallizer Feed (F) - 1000 kg/hr 50 wt. NKNO3 95 wt. KNO3 19 wt. % KNO3 Crystals (C) Ans. C= 200; V= 800; M-900; R= 720; T= 1720 kg/hr Composition of T: 26.7 % KNO3 Q4/ Preparation of caustic soda solution is usually carried out by a two-step process as shown in the following block diagram. Part of water (WI) is added to the first tank, whereas the second part (W2) is by passed due to the high heat of dissolution. Calculate the mass ratio of (wl/w2). Solid NaOH (F) By pass (W2) Dilute Water Solution (D) (W) (wi) (M) 24% NaOH Divider Dissolution Dilution tank Ans.: W1/W2 = 0.52 2 Sheet 12- Principle Dr. Hameed R Alamery Q5/ Ethanol is manufactured by catalytic hydration of ethylene:- C2H4 + H20 - C2H50H Mwt. 28 18 46 The molal ratio of water to ethylene in total feed input to the reactor = 3/5. Conversion of ethylene = 5%. Calculate the flow rates of streams F2, P.W and R. Recycle (R) C2H4 F1 - 224 Ib/hr C2H4 94 wt Ethanol 6 wt. % water Mixer Reactor Separator F2 (Water) II <>
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Distillation
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemical-engineering and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Introduction to Chemical Engineering Thermodynami…
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…
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…
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Process Dynamics and Control, 4e
Process Dynamics and Control, 4e
Chemical Engineering
ISBN:
9781119285915
Author:
Seborg
Publisher:
WILEY
Industrial Plastics: Theory and Applications
Industrial Plastics: Theory and Applications
Chemical Engineering
ISBN:
9781285061238
Author:
Lokensgard, Erik
Publisher:
Delmar Cengage Learning
Unit Operations of Chemical Engineering
Unit Operations of Chemical Engineering
Chemical Engineering
ISBN:
9780072848236
Author:
Warren McCabe, Julian C. Smith, Peter Harriott
Publisher:
McGraw-Hill Companies, The