Problem# 14: A stream containing 30 wt% ethanol (E) and 70% water (W) is blended with a stream containing 60% E and 40% W. The product contains 35% E. What is the mass ratio of Stream 1 to Stream 2 (= m1/m2 in the flow chart)? mi (g) 0.30 g Elg 0.70 g W/g my (g) 0.35 g E/g 0.65 g Wig Mixer m2 (g) 0.60 g E/g 0.40 g Wig
Problem# 14: A stream containing 30 wt% ethanol (E) and 70% water (W) is blended with a stream containing 60% E and 40% W. The product contains 35% E. What is the mass ratio of Stream 1 to Stream 2 (= m1/m2 in the flow chart)? mi (g) 0.30 g Elg 0.70 g W/g my (g) 0.35 g E/g 0.65 g Wig Mixer m2 (g) 0.60 g E/g 0.40 g Wig
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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Transcribed Image Text:Problem# 14: A stream containing 30 wt% ethanol (E) and 70% water (W) is
blended with a stream containing 60% E and 40% W. The product contains 35%
E. What is the mass ratio of Stream 1 to Stream 2 (= m1/m2 in the flow chart)?
mi (g)
0.30 g E/g
0.70 g Wig
m (g)
0.35 g E/g
0.65 g Wig
Mixer
m2 (g)
0.60 g E/g
0.40 g Wig
Transcribed Image Text:Problem #16. Methanol is produced by the reaction of carbon dioxide and
hydrogen:
CO,+ 3H, CH,OH + H,0
The fresh feed to the process contains hydrogen, carbon dioxide, and 0.40
mol% inert (I) gas. The reactor effluent passes to a separator that removes
essentially all of the methanol and water formed, but none of the reactants or
inert. The latter substances are recycled to the reactor. To avoid build-up of the
inert in the system, a purge stream is withdrawn from the recycle. The feed to
the reactor (not the fresh feed to the process) contains 28.0 mol% CO, 70.0
mol% H2, and 2.00 mol% inert. The single-pass conversion of hydrogen is
60.0%. Calculate the molar flow rates and molar compositions of the fresh
feed, the total feed to the reactor, the recycle stream, and the purge stream for
a production rate of 155 mol CH,OH/h.
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