corn stover, densified (no binder) (#890)

ID-number#890
Materialcorn stover, densified (no binder)
Descriptiondensified
Classification ECN Phyllis classification ▸ straw (stalk/cob/ear) ▸ maize/corn
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [240] gewassen ▸ [241] mais
Sample lot sizemesh -4+16 (tot 1.2 mm)
Submitter organisationECN (Netherlands)
Remarksbiochem. comp.: 8.6% rest (extractives) and 21.57% ash.
LiteratureR. J. Evans, A. R. Knight, M. Onischak and S. P. Babu: Development of biomass gasification to produce substitute fuels, Richland, Washington, USA, Pacific Northwest Laboratory (PNL), PNL--6518, 14 p. (1988).

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 5.90
Ash content wt% 20.30 21.57
Volatile matter wt% 60.13 63.90 81.47
Fixed carbon wt% 13.67 14.53 18.53 Calculated

Ultimate Analysis

Carbon wt% 35.57 37.80 48.20 Measured
Hydrogen wt% 4.55 4.84 6.17 Measured
Nitrogen wt% 0.61 0.65 0.83 Measured
Sulphur wt% 0.08 0.09 0.11 Measured
Oxygen wt% 32.98 35.05 44.69 Measured
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 12.50 13.44 17.13
Gross calorific value (HHV) MJ/kg 13.64 14.49 18.48
HHVMilne MJ/kg 13.88 14.75 18.81 Calculated

Chemical Analyses

Biochemical composition

Cellulose wt% (dry) 32.60 Measured
Hemicellulose wt% (dry) 23.60 Measured
Lignin wt% (dry) 13.60 Measured
Total ash + biochemical wt% (dry) 91.37 Calculated

Physical Properties

Ash melting behaviour

American standard method, measured in oxidizing conditions

IDT (initial deformation temperature) °C 1 188
SOT (softening or spherical temperature) °C 1 243
HT (hemispherical temperature) °C 1 343
FT (fluid temperature) °C 1 400

American standard method, measured in reducing conditions

IDT (initial deformation temperature) °C 1 149
SOT (softening or spherical temperature) °C 1 218
HT (hemispherical temperature) °C 1 260
FT (fluid temperature) °C 1 466

Commonly used properties

Bulk density (ar) kg/m³ (ar) 272