Sunflower oil contains 0.090 mol palmitic acid (C₁6H320₂)/mol, 0.060 mol stearic acid (C₁8H360₂)/mol, 0.36 mol oleic acid (C₁8H340₂)/mol, and 0.49 mol linoleic acid (C₁8H320₂)/mol. To create margarine from sunflower oil, the liquid oleic and linoleic acids are hydrogenated in the presence of a metal catalyst to form solid stearic acid. C18H34O2 + H₂C18H3602 C18H3202 + 2H₂ → C18H3602 - At a margarine production facility, a stream of 305.0 mol sunflower oil/h is fed into a reactor. The fresh hydrogen source available is a mixture containing 0.97 mol H₂/mol and 0.030 mol N₂/mol. N₂ is inert in this process. To ensure complete hydrogenation, the hydrogen gas mixture is introduced into the reactor in 55.0% excess. All reaction products leave the reactor and proceed to a separator where palmitic and stearic acids are separated from the hydrogen gas mixture. The hydrogen gas mixture is recycled to the fresh feed stream, and 105.0 mol gas/h of this recycle stream is purged to prevent the buildup of nitrogen gas. What is the molar flow rate of the fresh hydrogen and nitrogen gas mixture to the process?
Sunflower oil contains 0.090 mol palmitic acid (C₁6H320₂)/mol, 0.060 mol stearic acid (C₁8H360₂)/mol, 0.36 mol oleic acid (C₁8H340₂)/mol, and 0.49 mol linoleic acid (C₁8H320₂)/mol. To create margarine from sunflower oil, the liquid oleic and linoleic acids are hydrogenated in the presence of a metal catalyst to form solid stearic acid. C18H34O2 + H₂C18H3602 C18H3202 + 2H₂ → C18H3602 - At a margarine production facility, a stream of 305.0 mol sunflower oil/h is fed into a reactor. The fresh hydrogen source available is a mixture containing 0.97 mol H₂/mol and 0.030 mol N₂/mol. N₂ is inert in this process. To ensure complete hydrogenation, the hydrogen gas mixture is introduced into the reactor in 55.0% excess. All reaction products leave the reactor and proceed to a separator where palmitic and stearic acids are separated from the hydrogen gas mixture. The hydrogen gas mixture is recycled to the fresh feed stream, and 105.0 mol gas/h of this recycle stream is purged to prevent the buildup of nitrogen gas. What is the molar flow rate of the fresh hydrogen and nitrogen gas mixture to the process?
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:Sunflower oil contains 0.090 mol palmitic acid (C₁6H3202)/mol, 0.060 mol stearic acid (C₁8H360₂)/mol,
0.36 mol oleic acid (C₁8H340₂)/mol, and 0.49 mol linoleic acid (C₁8H32O₂)/mol. To create margarine from sunflower oil, the
liquid oleic and linoleic acids are hydrogenated in the presence of a metal catalyst to form solid stearic acid.
C18H34O2 + H₂ →→ C18H3602
-
C18H32O2 + 2H₂
→ C18H3602
At a margarine production facility, a stream of 305.0 mol sunflower oil/h is fed into a reactor. The fresh hydrogen source
available is a mixture containing 0.97 mol H₂/mol and 0.030 mol N₂/mol. N₂ is inert in this process. To ensure complete
hydrogenation, the hydrogen gas mixture is introduced into the reactor in 55.0% excess. All reaction products leave the reactor
and proceed to a separator where palmitic and stearic acids are separated from the hydrogen gas mixture. The hydrogen gas
mixture is recycled to the fresh feed stream, and 105.0 mol gas/h of this recycle stream is purged to prevent the buildup of
nitrogen gas.
What is the molar flow rate of the fresh hydrogen and nitrogen gas mixture to the process?
Transcribed Image Text:What is the molar flow rate of the fresh hydrogen and nitrogen gas mixture to the process?
5 flow rate:
What is the composition of the
purge stream?
mole fraction of hydrogen gas:
mole fraction of nitrogen gas:
What is the flow rate of gas leaving the separator?
mol gas/h
mol H₂/mol
mol N₂/mol
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