Sunflower oil contains 0.080 mol palmitic acid (C1,H3202)/mol, 0.060 mol stearic acid (C1g H3,0,)/mol, 0.25 mol oleic acid (C13H3,02)/mol, and 0.61 mol linoleic acid (C13H,„0,)/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. C13H340, + H, → C13H3,0, C18H32O, + 2 H, –→ C18H36O2 At a margarine production facility, a stream of 445.0 mol sunflower oil/h is fed into a reactor. The fresh hydrogen source available is a mixture containing 0.96 mol H,/mol and 0.040 mol N,/mol. N, 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 110.0 mol gas/h of this recycle stream is purged to prevent the buildup of nitrogen gas.
Sunflower oil contains 0.080 mol palmitic acid (C1,H3202)/mol, 0.060 mol stearic acid (C1g H3,0,)/mol, 0.25 mol oleic acid (C13H3,02)/mol, and 0.61 mol linoleic acid (C13H,„0,)/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. C13H340, + H, → C13H3,0, C18H32O, + 2 H, –→ C18H36O2 At a margarine production facility, a stream of 445.0 mol sunflower oil/h is fed into a reactor. The fresh hydrogen source available is a mixture containing 0.96 mol H,/mol and 0.040 mol N,/mol. N, 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 110.0 mol gas/h of this recycle stream is purged to prevent the buildup of nitrogen gas.
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
Related questions
Question
What is the molar flow rate of the fresh hydrogen and nitrgoen gas mixture to the process? (mol gas/h)
What is the composition of the purge stream?
mole fraction of hydrogen gas: (mol H2/mol)
mol fraction of nitrogen gas: (mol N2/mol)
What is the flow rate of gas leaving the separator? (mol gas/h)
What is the flow rate of the gas in the recycle line? (mol gas/h)
Transcribed Image Text:Sunflower oil contains 0.080 mol palmitic acid (C1,H„0,)/mol, 0.060 mol stearic acid (C13H3,0,)/mol,
0.25 mol oleic acid (C3H2,0,)/mol, and 0.61 mol linoleic acid (C13H2,0,)/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.
C18H340, + H,
C13H3,0,
C18H320, + 2 H,
CH3,02
´18
At a margarine production facility, a stream of 445.0 mol sunflower oil/h is fed into a reactor. The fresh hydrogen source
available is a mixture containing 0.96 mol H,/mol and 0.040 mol N,/mol. N, 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 110.0 mol gas/h of this recycle stream is purged to prevent
the buildup of nitrogen gas.
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