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sunflower /straw

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

calorific value

gross: 17408 kJ/kg   statistics...
net:   16289 kJ/kg   statistics...

elementary analysis

C:  44.62 wt.%,dm   statistics...
H:   5.10 wt.%,dm   statistics...
N:   1.10 wt.%,dm   statistics...
S:   0.11 wt.%,dm   statistics...
Cl:  0.72 wt.%,dm   statistics...
O:  by difference

trace elements

Mg:
Ca:
Al:
Si:
P:
Fe:
As:
Cr:
Ti:
Zn:
Ba:
Ni:
Pb:      0.96 ppm   statistics...
Cd:      0.21 ppm   statistics...
Cu:     12.70 ppm   statistics...
Hg:      0.01 ppm   statistics...

ash content

a: 11.20 wt.%,dm   statistics...

ash analysis

CO2:   24.99 wt.%   statistics...
SO3:    1.25 wt.%   statistics...
Cl:     4.66 wt.%   statistics...
P2O5:   1.64 wt.%   statistics...
SiO2:   4.90 wt.%   statistics...
Fe2O3:  0.14 wt.%   statistics...
Al2O3:  0.24 wt.%   statistics...
CaO:   13.15 wt.%   statistics...
MgO:    1.92 wt.%   statistics...
Na2O:   0.26 wt.%   statistics...
K2O:   24.67 wt.%   statistics...
TiO2: 

ash analysis of heavy metals

Pb:      3.25 ppm   statistics...
Cd:      0.05 ppm   statistics...
Cu:     59.25 ppm   statistics...
Hg:      0.01 ppm   statistics...
Mn:
Cr:

thermal ash behaviour

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

SIT:   685 °C   statistics...
SOT:   738 °C   statistics...
HT:   1178 °C   statistics...
FT:   1208 °C   statistics...

reference: 1

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