rice straw, rain washed (#737)

ID-number#737
Materialrice straw, rain washed
Classification ECN Phyllis classification ▸ straw (stalk/cob/ear) ▸ rice
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [220] stro ▸ [224] rijsthalm
Ash type2 h at 575 degC
Submitter organisationECN (Netherlands)
Remarks 65 mm cumulative precipitation
LiteratureB. M. Jenkins, R. R. Bakker and J. B. Wei: On the properties of washed straw. Biomass and Bioenergy 10 (4) pp. 177-200 (1996).

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% (ar)
Ash content wt% 17.84

Ultimate Analysis

Carbon wt% 39.55 48.14 Measured
Hydrogen wt% 5.15 6.27 Measured
Nitrogen wt% 0.60 0.73 Measured
Sulphur wt% 0.06 0.07 Measured
Oxygen wt% 36.74 44.72 Calculated
Total (with halides) wt% 100.00 100.00 Calculated

Calorific Values

Net calorific value (LHV) MJ/kg 14.70 17.89
Gross calorific value (HHV) MJ/kg 15.82 19.26
HHVMilne MJ/kg 15.59 18.98 Calculated

Chemical Analyses

Halides

Chlorine (Cl) mg/kg 600.0 730.3 Measured

Ash Properties

Ash composition

SO3 wt% (ash) 0.36
P2O5 wt% (ash) 0.63
SiO2 wt% (ash) 91.60
Fe2O3 wt% (ash) 0.50
Al2O3 wt% (ash) 0.82
CaO wt% (ash) 2.09
MgO wt% (ash) 1.32
Na2O wt% (ash) 0.19
K2O wt% (ash) 2.21
TiO2 wt% (ash) 0.02