Table 9: Coke-gasification (10 kg/h in V1): Operational settings, results and temperatures in segments 3–5.

Exp. Settings Results Wall Temperature
in K
Primary gas flow in m3/h(STP);
Preheat-temp. in K
Secondary gas flow in m3/h(STP);
Preheat-temp. in K
Total air ratio λ;
CO2/O2 or H2O/O2-ratio in kg/m3(STP)
Carbon conversion XC in %;
Cold gas efficiency ηCGE in %;
Syngas yield ySG in m3/kg(STP)
A-1 O2: 4.9
H2O: 0.5
Temp.: 500
O2: 0.5
H2O: 7.1
N2: 6.0
Temp.: 493
λ: 0.32
Mod./O2: 1.18
XC 63.5
ηCGE 40.5
ySG 1.05
S3: 1,570
S4: 1,308
S5: 1,180
A-2 O2: 5.5
H2O: 0.6
Temp.: 496
O2: 1.0
H2O: 7.1
CO2: 6.0
Temp.: 445
λ: 0.39
Mod./O2: 2.76
XC 84.8
ηCGE 52.7
ySG 1.34
S3: 1,383
S4: 1,298
S5: 1,196