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You must model a 3-stage reactor system for hydrogen production from methane and perform hand calculations for comparison (further details below). Hydrogen can be manufactured by the steam reformation of methane: CH+H₂O 3H₂ + CO The reaction is performed in two stages, in a pre-reformer (first reactor) and a reformer (second reactor). Products from the pre-reformer are passed to the reformer. Two-stages are used to allow waste heat from elsewhere in the greater plant to be used in an interstage heat exchanger for reasons of energy efficiency. Products from the reformer are then passed to a third stage (shift reactor) where the shift reaction occurs: CO+H₂OH₂+ CO₂ The operating conditions for the reactors are given below. Reactor Pre-reformer Reformer Shift Pressure (bar g) Outlet Temperature (°C) 10 495 10 552 10 262 The equilibrium constants at the above operating conditions are given in the table below: Reactor Pre-reformer Reformer Shift Keq 0.0091 0.0915 Unknown Units bara² bara² None You should not use data from the literature for the shift reactor. The plant feed is provided at 20°C and 10 barg. Perform hand calculations to find the equilibrium constants for all three reactors. Use partial pressures in your hand calculations and beware of the units. You may use the stream data from Hysys as input for your hand calculation. Your hand calculations should be performed on the model without recycle present.

You must model a 3-stage reactor system for hydrogen production from methane and perform hand calculations for comparison (further details below). Hydrogen can be manufactured by the steam reformation of methane: CH+H₂O 3H₂ + CO The reaction is performed in two stages, in a pre-reformer (first reactor) and a reformer (second reactor). Products from the pre-reformer are passed to the reformer. Two-stages are used to allow waste heat from elsewhere in the greater plant to be used in an interstage heat exchanger for reasons of energy efficiency. Products from the reformer are then passed to a third stage (shift reactor) where the shift reaction occurs: CO+H₂OH₂+ CO₂ The operating conditions for the reactors are given below. Reactor Pre-reformer Reformer Shift Pressure (bar g) Outlet Temperature (°C) 10 495 10 552 10 262 The equilibrium constants at the above operating conditions are given in the table below: Reactor Pre-reformer Reformer Shift Keq 0.0091 0.0915 Unknown Units bara² bara² None You should not use data from the literature for the shift reactor. The plant feed is provided at 20°C and 10 barg. Perform hand calculations to find the equilibrium constants for all three reactors. Use partial pressures in your hand calculations and beware of the units. You may use the stream data from Hysys as input for your hand calculation. Your hand calculations should be performed on the model without recycle present.

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
Problem 1.1P
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You must model a 3-stage reactor system for hydrogen production from methane and perform hand calculations for comparison (further details below). Hydrogen can be manufactured by the steam reformation of methane: CH+H₂O 3H₂ + CO The reaction is performed in two stages, in a pre-reformer (first reactor) and a reformer (second reactor). Products from the pre-reformer are passed to the reformer. Two-stages are used to allow waste heat from elsewhere in the greater plant to be used in an interstage heat exchanger for reasons of energy efficiency. Products from the reformer are then passed to a third stage (shift reactor) where the shift reaction occurs: CO+H₂OH₂+ CO₂ The operating conditions for the reactors are given below. Reactor Pre-reformer Reformer Shift Pressure (bar g) Outlet Temperature (°C) 10 495 10 552 10 262 The equilibrium constants at the above operating conditions are given in the table below: Reactor Pre-reformer Reformer Shift Keq 0.0091 0.0915 Unknown Units bara² bara² None You should not use data from the literature for the shift reactor. The plant feed is provided at 20°C and 10 barg. Perform hand calculations to find the equilibrium constants for all three reactors. Use partial pressures in your hand calculations and beware of the units. You may use the stream data from Hysys as input for your hand calculation. Your hand calculations should be performed on the model without recycle present.
Transcribed Image Text:You must model a 3-stage reactor system for hydrogen production from methane and perform hand calculations for comparison (further details below). Hydrogen can be manufactured by the steam reformation of methane: CH+H₂O 3H₂ + CO The reaction is performed in two stages, in a pre-reformer (first reactor) and a reformer (second reactor). Products from the pre-reformer are passed to the reformer. Two-stages are used to allow waste heat from elsewhere in the greater plant to be used in an interstage heat exchanger for reasons of energy efficiency. Products from the reformer are then passed to a third stage (shift reactor) where the shift reaction occurs: CO+H₂OH₂+ CO₂ The operating conditions for the reactors are given below. Reactor Pre-reformer Reformer Shift Pressure (bar g) Outlet Temperature (°C) 10 495 10 552 10 262 The equilibrium constants at the above operating conditions are given in the table below: Reactor Pre-reformer Reformer Shift Keq 0.0091 0.0915 Unknown Units bara² bara² None You should not use data from the literature for the shift reactor. The plant feed is provided at 20°C and 10 barg. Perform hand calculations to find the equilibrium constants for all three reactors. Use partial pressures in your hand calculations and beware of the units. You may use the stream data from Hysys as input for your hand calculation. Your hand calculations should be performed on the model without recycle present.
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