Table 5: Process parameter variation of first experimental campaign in V1.

Exp. goals	Varied process parameters
Minimum secondary volume flow	Feedstock Coke Secondary gas composition N2, CO2/H2O Secondary gas flow in m3/h(STP) 11.94- 22.12
Formation of recirculation cell; Temperature distribution	Feedstock Coke Primary gas composition N2, CO2 /H2O, O2 Primary gas flow in m3/h(STP) 4.5-5.4 Secondary gas composition N2, CO2 /H2O, O2 Secondary gas flow in m3/h(STP) 13.60-14.23 Stoichiometric air ratio 0.24-0.33 Total steam/O2-ratio or CO2/O2-ratio in kg/m3(STP) 1.13-3.76
High carbon conversion	Feedstock Coke Primary gas composition N2, CO2 /H2O, O2 Primary gas flow in m3/h(STP) 5.4-7.0 Stoichiometric air ratio 0.33-0.42 Total steam/O2-ratio or CO2/O2-ratio in kg/m3(STP) 1.53-2.56