N₂O and NO Emissions from CFBC Cofiring Dried Sewage Sludge, Wet Sewage Sludge with Coal and PE

Table 2

Properties of wet sewage sludge.

Sample	1	2	3	4	Average
Ultimate analysis (wt%, dry ash free basis)
Carbon	58.9	50.4	52	52.4	53.4
Hydrogen	8.47	7.23	7.72	7.56	7.55
Oxygen	21.6	32.8	31.9	32.2	29.6
Sulfur	3.42	3.67	2.61	2.35	3.01
Nitrogen	7.53	5.89	5.74	5.52	6.17
Proximate analysis (wt%, as received basis)
Moisture	72.9	78.8	77.4	76	76.3
Ash	15	10.1	11	10.7	11.7
Volatile	11.7	10.7	11.2	13	11.7
Fixed carbon	0.41	0.38	0.37	0.26	0.36
LHV (MJ/kg)	0.96	0.26	0.48	0.85	0.64