Table 1 Main reactions affecting the change of free radicals.

From: A numerical study on the effect of CO2 addition for methane explosion reaction kinetics in confined space

Reaction step

Elementary reaction

R32

O2 + CH2O <  =  > HO2 + HCO

R38

H + O2 <  =  > O + OH

R52

H + CH3(+ M) <  =  > CH4(+ M)

R53

H + CH4 <  =  > CH3 + H2

R57

H + CH2O(+ M) <  =  > CH3O(+ M)

R98

OH + CH4 <  =  > CH3 + H2O

R118

HO2 + CH3 <  =  > O2 + CH4

R119

HO2 + CH3 <  =  > OH + CH3O

R155

CH3 + O2 <  =  > O + CH3O

R156

CH3 + O2 <  =  > OH + CH2O

R157

CH3 + H2O2 <  =  > HO2 + CH4

R158

2CH3(+ M) <  =  > C2H6(+ M)

R161

CH3 + CH2O <  =  > HCO + CH4

R170

CH3O + O2 <  =  > HO2 + CH2O

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