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wheat /straw

The calorific value and the elementary analysis refers to dry biomass.

calorific value

gross: 17821 kJ/kg   statistics...
net:   16534 kJ/kg   statistics...

elementary analysis

C:  44.33 wt.%,dm   statistics...
H:   5.32 wt.%,dm   statistics...
N:   0.57 wt.%,dm   statistics...
S:   0.14 wt.%,dm   statistics...
Cl:  0.50 wt.%,dm   statistics...
O:  by difference

trace elements

Mg:
Ca:
Al:
Si:
P:
Fe:
As:
Cr:
Ti:
Zn:
Ba:
Ni:
Pb:      0.11 ppm   statistics...
Cd:      0.16 ppm   statistics...
Cu:      1.94 ppm   statistics...
Hg:      0.03 ppm   statistics...

ash content

a:  6.21 wt.%,dm   statistics...

ash analysis

CO2:    1.95 wt.%   statistics...
SO3:    3.65 wt.%   statistics...
Cl:     3.27 wt.%   statistics...
P2O5:   2.13 wt.%   statistics...
SiO2:  51.51 wt.%   statistics...
Fe2O3:  0.40 wt.%   statistics...
Al2O3:  0.79 wt.%   statistics...
CaO:    6.57 wt.%   statistics...
MgO:    1.73 wt.%   statistics...
Na2O:   0.56 wt.%   statistics...
K2O:   17.07 wt.%   statistics...
TiO2:   0.06 wt.%   statistics...

ash analysis of heavy metals

Pb:      2.00 ppm   statistics...
Cd:      0.03 ppm   statistics...
Cu:     20.00 ppm   statistics...
Hg:      0.01 ppm   statistics...
Mn:      0.04 ppm   statistics...
Cr:

thermal ash behaviour

for more information about SIT, SOT, HT and FT look at Characterisation of ash behaviour

SIT:   848 °C   statistics...
SOT:   956 °C   statistics...
HT:   1107 °C   statistics...
FT:   1241 °C   statistics...

reference: 1, 13, 14, 15, 16, 21, 23, 31

UNIVERSITY OF TECHNOLOGY VIENNA
Institute of Chemical Engineering, Fuel and Environmental Technology
Getreidemarkt 9/159
A-1060 Vienna
Austria