P4.14 In the case study in Chap. 2, we made diethanolamine from ethylene, oxygen, and ammonia. Now, let's consider just the first reactor, where ethylene oxide is produced. The reaction is 2 C,H, + O, → 2 C,H,0 (R1) There is an unwanted side reaction-combustion of ethylene to CO, and water: C,H, + 3 0, → 2 CO, + 2 H,0 (R2) Air (79 mol% N,, 21 mol% 0,) is fed as the source of oxygen. The C,H:O, molar ratio in the feed is 2:1. 25% of the C,H, and all of the oxy- gen fed to the reactor is converted to products. We want to produce 2000 kgmol/h ethylene oxide. What's the reactor feed rate and feed composition?

Introduction to Chemical Engineering Thermodynamics
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ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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yield?
P4.14 In the case study in Chap. 2, we made diethanolamine from ethylene,
oxygen, and ammonia. Now, let's consider just the first reactor, where
ethylene oxide is produced. The reaction is
2 C,H, + 0, → 2 C,H¿0
(R1)
There is an unwanted side reaction-combustion of ethylene to CO, and
water:
C,H, + 3 0, → 2 CO, + 2 H,0
(R2)
Air (79 mol% N, 21 mol% 0,) is fed as the source of oxygen. The
C,H:O, molar ratio in the feed is 2:1. 25% of the C,H, and all of the oxy-
gen fed to the reactor is converted to products.
We want to produce 2000 kgmol/h ethylene oxide. What's the reactor
feed rate and feed composition?
Transcribed Image Text:yield? P4.14 In the case study in Chap. 2, we made diethanolamine from ethylene, oxygen, and ammonia. Now, let's consider just the first reactor, where ethylene oxide is produced. The reaction is 2 C,H, + 0, → 2 C,H¿0 (R1) There is an unwanted side reaction-combustion of ethylene to CO, and water: C,H, + 3 0, → 2 CO, + 2 H,0 (R2) Air (79 mol% N, 21 mol% 0,) is fed as the source of oxygen. The C,H:O, molar ratio in the feed is 2:1. 25% of the C,H, and all of the oxy- gen fed to the reactor is converted to products. We want to produce 2000 kgmol/h ethylene oxide. What's the reactor feed rate and feed composition?
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