rice straw (#449)

Materialrice straw
Classification ECN Phyllis classification ▸ straw (stalk/cob/ear) ▸ rice ▸ rice straw
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [220] stro ▸ [224] rijsthalm
Ash typegrinding, 60 mesh, 14 hours at 575 degC
Submitter organisationECN (Netherlands)
Remarksdecayed bales, ash fusion temperatures according to ASTM D-1857
LiteratureE. A. Osman and J. R. Goss: Ash chemical composition, deformation and fusion temperatures for wood and agricultural residues. In: Proceedings of Winter meeting of the American Society of Agricultural Engineers, December 13-16, 1983, pp. 1-16 (1983).


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

Physical Properties

Ash melting behaviour

American standard method, measured in oxidizing conditions

IDT (initial deformation temperature) °C 850
FT (fluid temperature) °C 1 280

Ash Properties

Ash composition

SO3 wt% (ash) 1.83
P2O5 wt% (ash) 0.90
SiO2 wt% (ash) 78.60
Fe2O3 wt% (ash) 0.44
CaO wt% (ash) 0.88
MgO wt% (ash) 2.00
Na2O wt% (ash) 0.44
K2O wt% (ash) 14.50