grass pellets (#1117)

ID-number#1117
Materialgrass pellets
Classification ECN Phyllis classification ▸ grass/plant ▸ verge grass ▸ grass pellets
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [210] gras ▸ [213] bermgras
Ash typeISO 1171, ashed at 550 degC (ECN): 19.6%
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

Main biomass properties

Proximate analysis

Moisture content wt% 6.71
Ash content wt% 18.23 19.54

Ultimate analysis (macroelements)

Carbon wt% 37.48 40.18 49.94 Measured
Hydrogen wt% 4.22 4.52 5.62 Measured
Oxygen wt% 30.94 33.17 41.23 Calculated
Nitrogen wt% 1.72 1.84 2.29 Measured
Sulphur wt% 0.08 0.09 0.11 Measured
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Halides

Chlorine (Cl) mg/kg 6 157.1 6 600.0 8 202.8 Measured

Heating value

Net calorific value (LHV) MJ/kg 13.71 14.87 18.49
Gross calorific value (HHV) MJ/kg 14.80 15.86 19.71
HHVMilne MJ/kg 14.22 15.24 18.94 Calculated