Consider the block flow diagram of an ammonia (NH3) production plant shown below. The fresh feed to the process consists of 30 mol% nitrogen (N2) and 70 mol% hydrogen (H2) that is fed at a rate of 100 kmol/h. The fresh feed is mixed with a recycle stream before entering the reactor. The gross product (i.e., reactor effluent) is then split into a recycle stream, which is pumped back to the feed, and a net product stream. The recycle stream is maintained at 10 bar and 600 K. The overall conversion of the limiting reactant is 80%. Pump Recycle Reactor Fresh feed Gross feed N, + 3H2 → 2NH3 Gross product Net product
Consider the block flow diagram of an ammonia (NH3) production plant shown below. The fresh feed to the process consists of 30 mol% nitrogen (N2) and 70 mol% hydrogen (H2) that is fed at a rate of 100 kmol/h. The fresh feed is mixed with a recycle stream before entering the reactor. The gross product (i.e., reactor effluent) is then split into a recycle stream, which is pumped back to the feed, and a net product stream. The recycle stream is maintained at 10 bar and 600 K. The overall conversion of the limiting reactant is 80%. Pump Recycle Reactor Fresh feed Gross feed N, + 3H2 → 2NH3 Gross product Net product
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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Question
Determine the recycle to net product ratio R/N if the single-pass conversion is 0.50
Transcribed Image Text:Consider the block flow diagram of an ammonia (NH3) production plant shown below. The fresh feed to the process consists
of 30 mol% nitrogen (N2) and 70 mol% hydrogen (H2) that is fed at a rate of 100 kmol/h. The fresh feed is mixed with a
recycle stream before entering the reactor. The gross product (i.e., reactor effluent) is then split into a recycle stream, which
is pumped back to the feed, and a net product stream. The recycle stream is maintained at 10 bar and 600 K. The overall
conversion of the limiting reactant is 80%.
Pump
Recycle
Reactor
Fresh feed
Gross feed
N2 + 3H2 → 2NH3 Gross product Net product
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