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Mole ratio of recycle = 0.1992 Ans. ... Example 5.23 : Nitrogen-hydrogen mixture with a molar ratio of 1:3 is used for the manufacture of NH, where 18% conversion is achieved. After separating NH, from the product, the unconverted gases are recycled. The feed contains 0.2 moles of argon per 100 moles of N,- H, mixture. The tolerance limit of argon entering the reactor (i.e. in mixed feed) is 6 parts to 100 parts N3- H; mixture by volume. Calculate the fraction of recycle that must be continually purged and overall yield of ammonia. %3:

Mole ratio of recycle = 0.1992 Ans. ... Example 5.23 : Nitrogen-hydrogen mixture with a molar ratio of 1:3 is used for the manufacture of NH, where 18% conversion is achieved. After separating NH, from the product, the unconverted gases are recycled. The feed contains 0.2 moles of argon per 100 moles of N,- H, mixture. The tolerance limit of argon entering the reactor (i.e. in mixed feed) is 6 parts to 100 parts N3- H; mixture by volume. Calculate the fraction of recycle that must be continually purged and overall yield of ammonia. %3:

Introduction to Chemical Engineering Thermodynamics
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
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U.87 x mol/h u BCI, = x-0.87 x = 0.13 x mol/h N-H in ga upon tolerance h Argon .cd to the reactor = I mol/h 1 = 0.87 x X = 1.149 mol/h BCI, reacted = 0,87 (1.149) = 1 mol/h BCI, unreacted = 0.13 (1.149) = 0.1494 mol/h BCI, recycled = BCI, unreacted = 0.1494 mol/h in the streaam Gas leav Moles SiCl, produced =x1 = 0.75 mol/h [Argon Lgas lea Mole ratio of recycle to SiCl, = 0.1494/0.75 = 0.1992 Example 5.23 : Nitrogen-hydrogen mixture with a molar ratio of 1: 3 is used for the manufacture of NH, where 18% conversion is achieved. After separating NH, from the product, the unconverted gases are recycled. The feed contains 0.2 moles of argon per 100 moles of N,– H; mixture. The tolerance limit of argon entering the reactor (i.e. in mixed feed) is 6 parts to 100 parts N;- H; mixture by volume. Calculate the fraction of recycle that must be continually purged and overall yield of ammonia. . Ans. An
Transcribed Image Text:U.87 x mol/h u BCI, = x-0.87 x = 0.13 x mol/h N-H in ga upon tolerance h Argon .cd to the reactor = I mol/h 1 = 0.87 x X = 1.149 mol/h BCI, reacted = 0,87 (1.149) = 1 mol/h BCI, unreacted = 0.13 (1.149) = 0.1494 mol/h BCI, recycled = BCI, unreacted = 0.1494 mol/h in the streaam Gas leav Moles SiCl, produced =x1 = 0.75 mol/h [Argon Lgas lea Mole ratio of recycle to SiCl, = 0.1494/0.75 = 0.1992 Example 5.23 : Nitrogen-hydrogen mixture with a molar ratio of 1: 3 is used for the manufacture of NH, where 18% conversion is achieved. After separating NH, from the product, the unconverted gases are recycled. The feed contains 0.2 moles of argon per 100 moles of N,– H; mixture. The tolerance limit of argon entering the reactor (i.e. in mixed feed) is 6 parts to 100 parts N;- H; mixture by volume. Calculate the fraction of recycle that must be continually purged and overall yield of ammonia. . Ans. An
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