Research Article

Pyrolysis Kinetic Modelling of Wheat Straw from the Pannonian Region

Table 1

Proximate and ultimate analysis of wheat straw [22].

ParameterUnitMethodAmount (ad1)Amount (daf2)

Moisturemass-%DIN EN 14774-13,7
Ash (550°C)mass-%DIN EN 147755,2
Volatile matter incl. moisturemass-%DIN CEN/TS 1514879.082,3
Fixed carbonmass-%DIN 5173416,217,7
Carbonmass-%DIN EN 1510444,848.9
Hydrogenmass-%DIN EN 151045,516,02
Nitrogenmass-%DIN EN 151040,650,72
Oxygenmass-%DIN CEN/TS 1529640,243,9
Sulphurmass-%DIN EN 152890,0530,058
Chlorinemass-%DIN EN 152890,310,34
Fluorinemass-%DIN EN 15289<0,005<0,005
Phosphorusmass-%DIN CEN/TS 154100,0530,058
Potassiummg/kgDIN CEN/TS 1541067007400
Gross heating valueMJ/kgDIN EN 1491817,718,4
Net heating valueMJ/kgDIN EN 1491816,417,2

ad1: result calculation to “air dry” state.
daf2: result calculation to “dry and ash free” state; calculation base is the ash amount at 815°C.