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Please explain the relationship between the Air-Fuel ratio and the emission of CO, HC, And NOx From Automobiles, as shown in the graph.

Please explain the relationship between the Air-Fuel ratio and the emission of CO, HC, And NOx From Automobiles, as shown in the graph.

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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Please explain the relationship between the Air-Fuel ratio and the emission of CO, HC, And NOx From Automobiles, as shown in the graph.

2400 Stoichiometric 1200 air-fuel ratio 2000 1000 9. Carbon 1600 - 800 monoxide 1200 600 Nitrogen oxides 4 800 400 400 200 Hydrocarbons 11 12 13 14 15 16 17 18 Air-fuel ratio Nitrogen oxides, ppm Hydrocarbons, ppm Carbon monoxide, mol %
Transcribed Image Text:2400 Stoichiometric 1200 air-fuel ratio 2000 1000 9. Carbon 1600 - 800 monoxide 1200 600 Nitrogen oxides 4 800 400 400 200 Hydrocarbons 11 12 13 14 15 16 17 18 Air-fuel ratio Nitrogen oxides, ppm Hydrocarbons, ppm Carbon monoxide, mol %
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