1: In a process for the manufacture of Cl2 by direct oxidation of HCl with air4HCl + O2 2Cl2 + 2H2OThe exit product stream is composed of HCl (5%), Cl2 (18.8%), H2O (18.8%), O2 (5.0%) and N2 (52.4%). What was:a) The limiting reactant?b) The % excess reactant?c) Thedegreeofcompletionofthereaction? d) The yield of Cl2?e) The%conversionofO2? Q2: Ethylene oxide (C2H4O) is formed by the partial oxidation of ethylene(C2H4) in a gas phase reaction over a silver catalyst according to thestoichiometry:2C¿H4 + O2 –→ 2C¿H4OIn this process 1000 mol/h of pure ethylene (C¿H4) is fed to a reactor alongwith an air stream (21 mol% O2, 79 mol% N2). The effluent streamcontains 300 mol/hr of ethylene oxide (C2H4O). The ethylene oxide (C2H4O)is also 16.7 mol% of the effluent stream. Determine the full composition ofthe effluent stream?FeedEffluentREACTORQ3: To save energy, stack gas from a furnace is used to dry rice at a feedrate of 1000 kg/hr. The flow sheet and known data are shown below.Determine all unknown rates and composition of streams.Recycle Gas, R: Kg/hrWet Stack Gas, N : Kg/hrG:0.9069 gm Gas/gmW: 0.0931 gm Water/gmG:gm Gas/gmgm Water/gmW:Stack Gas, S: Kg/hrMixed Gas, M : Kg/hrG :0.9527 gm Gas/gmW: 0.0473 gm Water/gmG : 0.948 gm Gas/gmW: 0.052 gm Water/gm DRYERWet Rice Feed, F: 1000 kg/hrDry Rice Product, P: kg/hrR: 0.75 gm Rice/gmW : 0.25 gm Water/gmR: 0.95 gm Rice/gmW : 0.05 gm Water/gm

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Answered: 1: In a process for the manufacture of…

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

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Question

1: In a process for the manufacture of Cl2 by direct oxidation of HCl with air
4HCl + O2 2Cl2 + 2H2O
The exit product stream is composed of HCl (5%), Cl2 (18.8%), H2O (18.8%), O2 (5.0%) and N2 (52.4%). What was:
a) The limiting reactant?
b) The % excess reactant?
c) Thedegreeofcompletionofthereaction? d) The yield of Cl2?
e) The%conversionofO2?

Q2: Ethylene oxide (C2H4O) is formed by the partial oxidation of ethylene
(C2H4) in a gas phase reaction over a silver catalyst according to the
stoichiometry:
2C¿H4 + O2 –→ 2C¿H4O
In this process 1000 mol/h of pure ethylene (C¿H4) is fed to a reactor along
with an air stream (21 mol% O2, 79 mol% N2). The effluent stream
contains 300 mol/hr of ethylene oxide (C2H4O). The ethylene oxide (C2H4O)
is also 16.7 mol% of the effluent stream. Determine the full composition of
the effluent stream?
Feed
Effluent
REACTOR
Q3: To save energy, stack gas from a furnace is used to dry rice at a feed
rate of 1000 kg/hr. The flow sheet and known data are shown below.
Determine all unknown rates and composition of streams.
Recycle Gas, R: Kg/hr
Wet Stack Gas, N : Kg/hr
G:0.9069 gm Gas/gm
W: 0.0931 gm Water/gm
G:
gm Gas/gm
gm Water/gm
W:
Stack Gas, S: Kg/hr
Mixed Gas, M : Kg/hr
G :0.9527 gm Gas/gm
W: 0.0473 gm Water/gm
G : 0.948 gm Gas/gm
W: 0.052 gm Water/gm DRYER
Wet Rice Feed, F: 1000 kg/hr
Dry Rice Product, P: kg/hr
R: 0.75 gm Rice/gm
W : 0.25 gm Water/gm
R: 0.95 gm Rice/gm
W : 0.05 gm Water/gm

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