Model

Number

Elementary Reaction

FT-I

1
2
3
4
5
6
7
8

CO + s ↔ COs
COs + s ↔ Cs + Os
H2 + 2s ↔ 2Hs
Cs + Hs ↔ CHs + s
CHs + Hs ↔ CH2s + s
Os + Hs → HOs + s
HOs + Hs → H2Os + s
H2O + s → H2Os

FT-II

1
2
3
4
5
6
7

CO + s ↔ Cos
H2 + 2s ↔ 2Hs
COs + Hs ↔ HCOs + s
HCOs + Hs ↔ Cs + H2Os
Cs + Hs ↔ CHs + s
CHs + Hs ↔ CH2s + s
H2O + s → H2Os

FT-III

1
2
3
4
5
6
7
8

CO + s ↔ COs
COs + H2 ↔ H2COs
H2COs+ H2 ↔ CH2s + H2O
COs + s ↔ Cs + Os
Cs + Hs ↔ CHs + s
CHs + Hs ↔ CH2s + s
Os + H2 → H2Os
H2O + s → H2Os

Table 2: Elementary reactions mechanism set for FTS.