Dairy Biomass-Wyoming Coal Blends Fixed Gasification Using Air-Steam for Partial Oxidation

Table 1

Ultimate and proximate analysis on an as received basis.

Fuel name	Wyoming coal (WYC)	Dairy biomass (DB)	DBWC (90:10)
Dry loss (%)	22.81	25.26	25.015
Ash (%)	5.45	14.95	14.00
VM (%)	34.5	46.84	45.606
FC (%)	37.25	12.95	15.38
VMDAF (%)	48.00	78.00	74.78
FCDAF (%)	52.00	22.00	25.22
C (%)	54.07	35.27	37.15
H (%)	3.44	3.1	3.13
N (%)	0.81	1.9	1.791
O (%)	13.08	19.1	18.498
S (%)	0.39	0.42	0.417
HHV (kJ/kg)	21385	12844	13698
DAF HHV (kJ/kg)	29809	21482	22461
Dry HHV (kJ/kg)	27704	17185	18237
Empirical formulae	CH0.76 N0.013O0.18S0.003	CH1.06 N0.047O0.405S0.0045	CH1.03N0.043O0.39S0.001
Estimated HHV of VM (kJ/kg)^+	26607	18300	18986

⁺ Estimated using eq. HHVDAF of fuel [12] = HHV of VM * VMDAF + HV of FC * FCDAF; HV of FC = 32765 kJ/kg.