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sunflower /husk

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

calorific value

gross: 20400 kJ/kg   statistics...
net:   19300 kJ/kg

elementary analysis

C:  50.92 wt.%,dm   statistics...
H:   6.31 wt.%,dm   statistics...
N:   1.12 wt.%,dm   statistics...
S:   0.17 wt.%,dm   statistics...
Cl:  0.04 wt.%,dm   statistics...
O:  by difference

trace elements

Mg:
Ca:
Al:
Si:
P:
Fe:
As:
Cr:
Ti:
Zn:
Ba:
Ni:
Pb:
Cd:
Cu:
Hg:

ash content

a:  3.62 wt.%,dm   statistics...

ash analysis

CO2: 
SO3: 
Cl:  
P2O5:  19.40 wt.%
SiO2:   5.20 wt.%   statistics...
Fe2O3:  1.90 wt.%   statistics...
Al2O3:  1.45 wt.%   statistics...
CaO:   14.20 wt.%   statistics...
MgO:    9.70 wt.%   statistics...
Na2O:   0.30 wt.%   statistics...
K2O:   32.15 wt.%   statistics...
TiO2: 

ash analysis of heavy metals

Pb:      3.00 ppm
Cd:
Cu:    386.00 ppm
Hg:
Mn:
Cr:     63.00 ppm

thermal ash behaviour

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

SIT:   980 °C
SOT:  1180 °C
HT:   1240 °C
FT:   1240 °C

reference: 20, 29

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