Douglas Premium coal, South Africa (#2213)

ID-number#2213
MaterialDouglas Premium coal, South Africa
Classification ECN Phyllis classification ▸ fossil fuel ▸ coal
NTA 8003 classification ▸ [800] samengestelde stromen
Submitter organisationECN (Netherlands)
Submission date2001-11-13
LiteratureR. Korbee, S. Eenkhoorn, P.G.Th. Heere, H.J.M. Visser, R.N.J. Comans, J.H.A. Kiel, Combustion characteristics of low quality battle coals; Mineral matter transformations, ECN-report ECN-C-99-035 (1999).

Values

Property Unit Value Std dev Det lim Lab Date Method Remarks
ar dry daf

Fuel Properties

Proximate Analysis

Moisture content wt% 0.45
Ash content wt% 14.34 14.40
Volatile matter wt% 31.36 31.50 36.80
Fixed carbon wt% 53.86 54.10 63.20 Calculated

Ultimate Analysis

Carbon wt% 71.16 71.48 83.51 Measured
Hydrogen wt% 3.80 3.82 4.46 Measured
Nitrogen wt% 1.75 1.75 2.05 Measured
Sulphur wt% 0.54 0.54 0.63 Measured
Oxygen wt% 9.14 9.18 10.73 Measured
Total (with halides) wt% 101.19 101.19 101.39 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 26.84 26.98 31.52
Gross calorific value (HHV) MJ/kg 27.68 27.81 32.49
HHVMilne MJ/kg 27.83 27.96 32.66 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 99.6 100.0 116.8 Measured

Major elements

Aluminium (Al) mg/kg (dry) 21 000.0 Measured
Potassium (K) mg/kg (dry) 640.0 Measured
Sodium (Na) mg/kg (dry) 170.0 Measured
Calcium (Ca) mg/kg (dry) 7 000.0 Measured
Silicon (Si) mg/kg (dry) 25 000.0 Measured
Magnesium (Mg) mg/kg (dry) 1 200.0 Measured
Iron (Fe) mg/kg (dry) 4 300.0 Measured
Phosphorus (P) mg/kg (dry) 1 160.0 Measured
Titanium (Ti) mg/kg (dry) 960.0 Measured