Briefly explain the reasons why we need to put a group of valves (V-101, CV-100, V-102, V-103) through Stream No. 5.

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
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Briefly explain the reasons why we need to put a group of valves (V-101, CV-100, V-102, V-103) through Stream No. 5.
(a) Figure Q2.1 illustrates the Process Flow Diagram (PFD) to produce ethane from ethanol.
Throughout this system, ethanol is feed to continuous reactor with presence of sulphuric
acid catalyzer to produce ethylene. Distillation process will be applied to separate
ethylene-H2O mixture. Then, ethylene as a top product is condensate by condenser to
perform liquid ethylene. Hydrogenation of ethylene applies in another reactor with
presence of Nickel catalyzer to produce ethane as a final product.
R-100
Reactor
P-100
Pump
L100
Distillation Column
Condenser
P101
Pump
R-101
Reactor
Hot water
out
Ethyene
Ethylene lig.
-100
V-104
Cold
water
V-106
T-100
CV-101
in
CV-100
V-10s
Ethanol
V-101
V-102
38
20
Hydrogen
V-100
V-10s
V-107
Ni
R-100
Ethane
H,0
P101
P100
Figure Q1.1 A Process Flow Diagram (PFD) of ethane production.
Transcribed Image Text:(a) Figure Q2.1 illustrates the Process Flow Diagram (PFD) to produce ethane from ethanol. Throughout this system, ethanol is feed to continuous reactor with presence of sulphuric acid catalyzer to produce ethylene. Distillation process will be applied to separate ethylene-H2O mixture. Then, ethylene as a top product is condensate by condenser to perform liquid ethylene. Hydrogenation of ethylene applies in another reactor with presence of Nickel catalyzer to produce ethane as a final product. R-100 Reactor P-100 Pump L100 Distillation Column Condenser P101 Pump R-101 Reactor Hot water out Ethyene Ethylene lig. -100 V-104 Cold water V-106 T-100 CV-101 in CV-100 V-10s Ethanol V-101 V-102 38 20 Hydrogen V-100 V-10s V-107 Ni R-100 Ethane H,0 P101 P100 Figure Q1.1 A Process Flow Diagram (PFD) of ethane production.
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