prune pits (#998)

ID-number#998
Materialprune pits
Classification ECN Phyllis classification ▸ husk/shell/pit ▸ others ▸ prune pits
NTA 8003 classification ▸ [500] biomassa uit de industrie ▸ [520] schillen/vliezen/pitten ▸ [529] overige schillen/vliezen/pitten
Ash typeASTM D1102 600 oC
Submitter organisationECN (Netherlands)
RemarksMarysville, CA
LiteratureT. R. Miles, T. R. Miles,Jr, L. Baxter, R. W. Bryers, B. M. Jenkins and L. L. Oden: Alkali deposits found in biomass power plants. A preliminary investigation of their extend and nature, NREL/TP-433-8142, 82 p. (1995).

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 33.59
Ash content wt% 0.94 1.41
Volatile matter wt% 53.65 80.79 81.95
Fixed carbon wt% 11.82 17.80 18.05 Calculated

Ultimate Analysis

Carbon wt% 32.71 49.26 49.96 Measured
Hydrogen wt% 4.38 6.59 6.68 Measured
Nitrogen wt% 0.56 0.84 0.85 Measured
Sulphur wt% 0.05 0.07 0.07 Measured
Oxygen wt% 27.77 41.82 42.42 Calculated
Total (with halides) wt% 99.99 99.99 99.99 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 11.57 18.65 18.92
Gross calorific value (HHV) MJ/kg 13.34 20.09 20.38
HHVMilne MJ/kg 13.53 20.37 20.67 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg (dry) 100.0

Ash Properties

Ash composition

SO3 wt% (ash) 2.07
P2O5 wt% (ash) 16.80
SiO2 wt% (ash) 3.00
Fe2O3 wt% (ash) 0.57
Al2O3 wt% (ash) 0.09
CaO wt% (ash) 12.25
MgO wt% (ash) 9.72
Na2O wt% (ash) 0.39
K2O wt% (ash) 37.50
TiO2 wt% (ash) 0.02