Why heat exchangers (d1 and d2) are placed after reactor (c)?

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
. Fig. I shows isothermal dehydrogenation which was pioneered by BASF and has been
used by them for many years. The reactor is built like a shell-and-tube heat exchanger.
Ethylbenzene and steam flow through the tubes, which are packed with catalyst. The heat
of reaction is supplied by hot flue gas on the shell side of the reactor -exchanger.
Fresh EB
Recycled EB
Steam
d2
d1
Steam
Vent gas
Recirculation of
flue gas or
molten salt
Crude
styrene
Condensate
Steam
condensate
Fig. I Isothermal dehydrogenation of ethylbenzene (EB) (a) Heater, (b) Steam superheater, (c)
Reactor, (d) Heat exchanger, and (e) Condenser
Why heat exchangers (d1 and d2) are placed after reactor (c)?
Transcribed Image Text:. Fig. I shows isothermal dehydrogenation which was pioneered by BASF and has been used by them for many years. The reactor is built like a shell-and-tube heat exchanger. Ethylbenzene and steam flow through the tubes, which are packed with catalyst. The heat of reaction is supplied by hot flue gas on the shell side of the reactor -exchanger. Fresh EB Recycled EB Steam d2 d1 Steam Vent gas Recirculation of flue gas or molten salt Crude styrene Condensate Steam condensate Fig. I Isothermal dehydrogenation of ethylbenzene (EB) (a) Heater, (b) Steam superheater, (c) Reactor, (d) Heat exchanger, and (e) Condenser Why heat exchangers (d1 and d2) are placed after reactor (c)?
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
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