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grass, knotgrass

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

calorific value

gross: 18495 kJ/kg
net:   17305 kJ/kg

elementary analysis

C:  47.07 wt.%,dm
H:   5.41 wt.%,dm
N:   1.08 wt.%,dm
S:   0.12 wt.%,dm
Cl:  0.48 wt.%,dm
O:  by difference

trace elements

Mg:
Ca:
Al:
Si:
P:
Fe:
As:
Cr:
Ti:
Zn:
Ba:
Ni:
Pb:      0.42 ppm
Cd:      0.04 ppm
Cu:      5.48 ppm
Hg:      0.01 ppm

ash content

a:  5.94 wt.%,dm

ash analysis

CO2:   24.30 wt.%
SO3:    2.58 wt.%
Cl:     4.61 wt.%
P2O5:   3.40 wt.%
SiO2:   4.70 wt.%
Fe2O3:  0.39 wt.%
Al2O3:  0.50 wt.%
CaO:   26.70 wt.%
MgO:    3.22 wt.%
Na2O:   0.32 wt.%
K2O:   25.70 wt.%
TiO2: 

ash analysis of heavy metals

Pb:      3.00 ppm
Cd:      0.04 ppm
Cu:     65.00 ppm
Hg:      0.01 ppm
Mn:
Cr:

thermal ash behaviour

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

SIT:   740 °C
SOT:   760 °C
HT:   1660 °C
FT:   1690 °C

reference: 1

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