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4. CO hydrogenation to form CH4: → CO+ 3H2 CH4 + H2O occurs on a Ru/SiO2 catalyst and is used to remove traces of CO from H2 streams used in fuel cell applications where ultra-high purity H2 is required (even ppm levels of CO can poison fuel cells). This reaction occurs through the following steps: (1) (2) CO+* CO* H2 + 2* 2 H* CO*+* C*+0* C* H* → CH*+* CH* + H* → CH2*+* CH2* + H* → CH3*+* CH3* + H* → CH4 + 2* O* + H* OH*+* OH* + H* = H₂O + 2* where Steps 1, 2, 3, 8, and 9 can all be considered quasi-equilibrated. Derive a steady-state rate expression (turnover rate) in terms of gas-phase pressures and rate and equilibrium constants. Assume that the MASI are * and CO*.

4. CO hydrogenation to form CH4: → CO+ 3H2 CH4 + H2O occurs on a Ru/SiO2 catalyst and is used to remove traces of CO from H2 streams used in fuel cell applications where ultra-high purity H2 is required (even ppm levels of CO can poison fuel cells). This reaction occurs through the following steps: (1) (2) CO+* CO* H2 + 2* 2 H* CO*+* C*+0* C* H* → CH*+* CH* + H* → CH2*+* CH2* + H* → CH3*+* CH3* + H* → CH4 + 2* O* + H* OH*+* OH* + H* = H₂O + 2* where Steps 1, 2, 3, 8, and 9 can all be considered quasi-equilibrated. Derive a steady-state rate expression (turnover rate) in terms of gas-phase pressures and rate and equilibrium constants. Assume that the MASI are * and CO*.

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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4. CO hydrogenation to form CH4: → CO+ 3H2 CH4 + H2O occurs on a Ru/SiO2 catalyst and is used to remove traces of CO from H2 streams used in fuel cell applications where ultra-high purity H2 is required (even ppm levels of CO can poison fuel cells). This reaction occurs through the following steps: (1) (2) CO+* CO* H2 + 2* 2 H* CO*+* C*+0* C* H* → CH*+* CH* + H* → CH2*+* CH2* + H* → CH3*+* CH3* + H* → CH4 + 2* O* + H* OH*+* OH* + H* = H₂O + 2* where Steps 1, 2, 3, 8, and 9 can all be considered quasi-equilibrated. Derive a steady-state rate expression (turnover rate) in terms of gas-phase pressures and rate and equilibrium constants. Assume that the MASI are * and CO*.
Transcribed Image Text:4. CO hydrogenation to form CH4: → CO+ 3H2 CH4 + H2O occurs on a Ru/SiO2 catalyst and is used to remove traces of CO from H2 streams used in fuel cell applications where ultra-high purity H2 is required (even ppm levels of CO can poison fuel cells). This reaction occurs through the following steps: (1) (2) CO+* CO* H2 + 2* 2 H* CO*+* C*+0* C* H* → CH*+* CH* + H* → CH2*+* CH2* + H* → CH3*+* CH3* + H* → CH4 + 2* O* + H* OH*+* OH* + H* = H₂O + 2* where Steps 1, 2, 3, 8, and 9 can all be considered quasi-equilibrated. Derive a steady-state rate expression (turnover rate) in terms of gas-phase pressures and rate and equilibrium constants. Assume that the MASI are * and CO*.
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