sunflower shell (#2803)

ID-number#2803
Materialsunflower shell
Classification ECN Phyllis classification ▸ husk/shell/pit ▸ sunflower ▸ sunflower shell
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [230] restproducten (doppen) ▸ [239] overige doppen
Submitter organisationECN (Netherlands)
Submission date2006-07-11
RemarksOriginal article reports Lower Heating Value as received. May well have been HHV as received, in view of similar inaccuracy in specification of ultimate analysis.
LiteratureG. Jang, G.A. Husseini, L.L. Baxter, M.R. Linford: Analysis of sunflower shells by X-ray photoelectron spectroscopy. Surface Science Spectra 11 (2004) 119-126

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 9.84
Ash content wt% 2.52 2.80

Ultimate Analysis

Carbon wt% 46.40 51.46 52.95 Measured
Hydrogen wt% 5.85 6.49 6.68 Measured
Nitrogen wt% 0.88 0.98 1.00 Measured
Sulphur wt% 0.18 0.20 0.21 Measured
Oxygen wt% 34.33 38.08 39.17 Calculated
Total (with halides) wt% 100.00 100.00 100.01 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 18.82 21.14 21.74
Gross calorific value (HHV) MJ/kg 20.33 22.55 23.20
HHVMilne MJ/kg 19.31 21.41 22.03 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 0.0 0.0 0.0 Measured

Ash Properties

Ash composition

SO3 wt% (ash) 11.70
Cl wt% (ash) 1.20
P2O5 wt% (ash) 10.10
SiO2 wt% (ash) 1.10
Fe2O3 wt% (ash) 0.90
Al2O3 wt% (ash) 0.50
CaO wt% (ash) 16.00
MgO wt% (ash) 13.10
Na2O wt% (ash) 0.20
K2O wt% (ash) 45.10