Thermochemical Equilibrium Model of Synthetic Natural Gas Production from Coal Gasification Using Aspen Plus

Table 4

Reactors temperature and pressure conditions, inlet streams, and other model facilities described in the Aspen Plus models.

Facility or inlet stream	Temperature (°C)	Pressure (bar)
Coal stream	27	1
Water stream	40	5
Oxygen stream	40	74.1
CO2 stream	100	83
Steam stream	250*	49*
Reactor RGIBB-1 (Figure 5)	Bijao coal: 1658**; Sanoha coal: 1413**	50
Reactor RGIBB-2 (Figure 5)	Bijao coal: 940**; Sanoha coal: 922**	50
Reactor RGIBB-1 (Figure 6)	Bijao coal: 1340**; Sanoha coal: 1508**	50
Reactor REQUIL-1 (Figure 7)	250* (Bijao and Sanoha coals)	49*
Reactor REQUIL-2 (Figure 9)	350* (Bijao and Sanoha coals)	42*
Heater HEATER-1 (Figure 5)	202	Isobaric
Heater HEATER-1 (Figure 6)	167	Isobaric
Heater HEATER-2 (Figure 7)	40	Isobaric
Heater HEATER-3 (Figure 9)	54.7	Isobaric

*Adapted from [25]. **Simulation results.