cacao (#884)

ID-number#884
Materialcacao
Classification ECN Phyllis classification ▸ husk/shell/pit ▸ cacao ▸ cacao
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [230] restproducten (doppen) ▸ [232] cacaodoppen
Ash typeISO 1171 (815 degC)
Submitter organisationECN (Netherlands)
Remarkstested in ECN CFB gasifier (BIVKIN)
LiteratureJ. W. Vermeulen and A. van der Drift: Brandstoffen uit reststromen voor circulerend wervelbedvergassing, rapportage fase 2, (non-confidential version, in Dutch), Haarlem, NV Afvalzorg (1998).

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 13.40
Ash content wt% 9.09 10.50
Volatile matter wt% 58.71 67.80 75.75
Fixed carbon wt% 18.79 21.70 24.25 Calculated

Ultimate Analysis

Carbon wt% 41.05 47.40 52.96 Measured
Hydrogen wt% 4.54 5.24 5.85 Measured
Nitrogen wt% 2.62 3.03 3.39 Measured
Sulphur wt% 0.17 0.19 0.22 Measured
Oxygen wt% 29.11 33.62 37.56 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 14.60 17.24 19.26
Gross calorific value (HHV) MJ/kg 15.92 18.38 20.54
HHVMilne MJ/kg 16.07 18.56 20.74 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 125.6 145.0 162.0 Measured
Fluorine (F) mg/kg 8.2 9.5 10.6 Measured

Major elements

Potassium (K) mg/kg (dry) 27 000.0 Measured
Sodium (Na) mg/kg (dry) 29.0 Measured
Calcium (Ca) mg/kg (dry) 2 200.0 Measured
Silicon (Si) mg/kg (dry) 7 600.0 Measured
Magnesium (Mg) mg/kg (dry) 4 900.0 Measured
Phosphorus (P) mg/kg (dry) 3 200.0 Measured

Minor elements

Arsenic (As) mg/kg (dry) 1.0
Cadmium (Cd) mg/kg (dry) 1.0
Cobalt (Co) mg/kg (dry) 1.5 Measured
Chromium (Cr) mg/kg (dry) 3.7 Measured
Copper (Cu) mg/kg (dry) 35.0 Measured
Manganese (Mn) mg/kg (dry) 84.0 Measured
Nickel (Ni) mg/kg (dry) 9.8 Measured
Lead (Pb) mg/kg (dry) 33.0 Measured
Vanadium (V) mg/kg (dry) 2.1 Measured
Zinc (Zn) mg/kg (dry) 90.0 Measured
Tellurium (Te) mg/kg (dry) 1.0
Selenium (Se) mg/kg (dry) 1.0
Mercury (Hg) mg/kg (dry) 0.1 Measured

Other elements

Tin (Sn) mg/kg (dry) 5.0 Measured
Antimony (Sb) mg/kg (dry) 1.0

Physical Properties

Commonly used properties

Bulk density (ar) kg/m³ (ar) 90