Emissions of SO₃ from a Coal-Fired Fluidized Bed under Normal and Staged Combustion

Table 1

Typical analysis of Linby and Daw Mill coal.

	Weight (%)
	Linby	Daw Mill
Proximate analysis (dry basis)
Ash	9.3	4.0
Volatile matter	31.0	37.8
Fixed carbon	59.7	58.2
Ultimate analysis (dry basis)
Carbon	72.3	77.3
Hydrogen	4.9	5.1
Oxygen	10.17	10.44
Nitrogen	1.5	1.3
Sulfur	1.53	1.66
Moisture	8.0	6.3
Gross calorific value (mJ/kg)	30.24	31.54