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Formaldehyde (HCHO) can be formed by oxidation of methane. The oxidation process takes place by air (71% mole N2, 21 mole % 02) which is provided 20% excess. Methane is provided at the rate of 60 mol/s. CH4 + O2 HCHO + H20 CH4 + 2 02 CO2 +2H20 i) Sketch the flow chart and perform the material balance ii) methane if there are 15mol/s methane at product. Calculate the fractional conversion of ii) Calculate the fractional yield of formaldehyde if the produced formaldehyde amount is 25 mol/s.

Formaldehyde (HCHO) can be formed by oxidation of methane. The oxidation process takes place by air (71% mole N2, 21 mole % 02) which is provided 20% excess. Methane is provided at the rate of 60 mol/s. CH4 + O2 HCHO + H20 CH4 + 2 02 CO2 +2H20 i) Sketch the flow chart and perform the material balance ii) methane if there are 15mol/s methane at product. Calculate the fractional conversion of ii) Calculate the fractional yield of formaldehyde if the produced formaldehyde amount is 25 mol/s.

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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Formaldehyde (HCHO) can be formed by oxidation of methane. The oxidation process takes place by air (71% mole N2, 21 mole % 02) which is provided 20% excess. Methane is provided at the rate of 60 mol/s. CH4 + O -- --> HCHO + H20 CH4 +2 02 - CO2 +2H20 i) Sketch the flow chart and perform the material balance ii) Calculate the fractional conversion of methane if there are 15mol/s methane at product. iii) Calculate the fractional yield of formaldehyde if the produced formaldehyde amount is 25 mol/s.
Transcribed Image Text:Formaldehyde (HCHO) can be formed by oxidation of methane. The oxidation process takes place by air (71% mole N2, 21 mole % 02) which is provided 20% excess. Methane is provided at the rate of 60 mol/s. CH4 + O -- --> HCHO + H20 CH4 +2 02 - CO2 +2H20 i) Sketch the flow chart and perform the material balance ii) Calculate the fractional conversion of methane if there are 15mol/s methane at product. iii) Calculate the fractional yield of formaldehyde if the produced formaldehyde amount is 25 mol/s.
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