Methane and oxygen react in the presence of a catalyst to form formaldehyde. In a parallel reaction methane is oxidized to carbon dioxide and water: CH4 + O2 HCHO + H2O CH4 + 2 O2 CO2 + 2 H2O The feed to the reactor contains 15.3% CH4, 17.8% O2 and 66.9% N2 by mol. Molar flow rate of feed to the catalytic reactor is 300 mol/s. The fractional conversion of methane is 0.9 and the fractional yield of formaldehyde is 0.8. a. Draw and label a flowchart. b. Calculate the molar composition (by mole %) of the reactor output stream and selectivity of formaldehyde relative to carbon dioxide by using the extent of reaction method
Methane and oxygen react in the presence of a catalyst to form formaldehyde. In a parallel reaction methane is oxidized to carbon dioxide and water: CH4 + O2 HCHO + H2O CH4 + 2 O2 CO2 + 2 H2O The feed to the reactor contains 15.3% CH4, 17.8% O2 and 66.9% N2 by mol. Molar flow rate of feed to the catalytic reactor is 300 mol/s. The fractional conversion of methane is 0.9 and the fractional yield of formaldehyde is 0.8. a. Draw and label a flowchart. b. Calculate the molar composition (by mole %) of the reactor output stream and selectivity of formaldehyde relative to carbon dioxide by using the extent of reaction method
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
Methane and oxygen react in the presence of a catalyst to form formaldehyde. In a
parallel reaction methane is oxidized to carbon dioxide and water:
CH4 + O2 HCHO + H2O
CH4 + 2 O2 CO2 + 2 H2O
The feed to the reactor contains 15.3% CH4, 17.8% O2 and 66.9% N2 by mol. Molar flow rate
of feed to the catalytic reactor is 300 mol/s. The fractional conversion of methane is 0.9 and
the fractional yield of formaldehyde is 0.8.
a. Draw and label a flowchart.
b. Calculate the molar composition (by mole %) of the reactor output stream and selectivity
of formaldehyde relative to carbon dioxide by using the extent of reaction method.
Transcribed Image Text:Methane and oxygen react in the presence of a catalyst to form formaldehyde. In a
2)
parallel reaction methane is oxidized to carbon dioxide and water:
+ HCHO + H2O
CO2 + 2 H2O
CH4 + O2
CH4 + 2 02
The feed to the reactor contains 15.3% CHa, 17.8% O2 and 66.9% N2 by mol. Molar flow rate
of feed to the catalytic reactor is 300 mol/s. The fractional conversion of methane is 0.9 and
the fractional yield of formaldehyde is 0.8.
a. Draw and label a flowchart.
b. Calculate the molar composition (by mole %) of the reactor output stream and selectivity
of formaldehyde relative to carbon dioxide by using the extent of reaction method.
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