Measurements of Gasification Characteristics of Coal and Char in CO₂-Rich Gas Flow by TG-DTA

Table 2

Experimental conditions of temperatures and gas flow rates for the TG-DTA analysis.

Sample	Gas injected to system	Flow rates (mL min^−1)	Heating ratesλ (°C min^−1)
Coal	Air	200	20
	95% CO2 + 5% O2	100~200	20~40
	96% CO2 + 4% O2	100	20
	97% CO2 + 3% O2	100	20
	98% CO2 + 2% O2	100	20
	99% CO2 + 1% O2	100	20
	100% CO2	100~200	20~40
Char	Air	100	20
	95% CO2 + 5% O2	100	20
	96% CO2 + 4% O2	100	20
	97% CO2 + 3% O2	100	20
	98% CO2 + 2% O2	100	20
	99% CO2 + 1% O2	100~200	20~40
	100% CO2	100	20