University of Natural Resources and Life Sciences, Vienna (BOKU) - Research portal
Gewählte Master / Diploma Thesis:
Georg Konrad
(2004):
Flächenanalyse und energetisches Nutzungspotential von Nachwachsenden Rohstoffen im EU-Osterweiterungsraum.
Master / Diploma Thesis,
BOKU-Universität für Bodenkultur.
UB BOKU
obvsg
- Abstract:
- This theses shows the potential supply of energy for the CEECC-10 (Central and Eastern Candidate Countries -10 = European Union entry candidate countries) which is calculated on basis of energy plants. The autarktic food production on agricultural areas is presupposed. The demand of agricultural area for food production depends on the life conditions of human beings and on their food behaviour. One person needs theoretically between 0,03 and 0,04 hectare for a healthy and sufficient nutrition. The American food habits needs an area of 0,5 hectare per capita. For the calculation of the necessary food area in the CEECC-10, the realistic scenario of 0,15 to 0,2 hectare per capita is used. On the basis of the agricultural area (reference: Eurostat) and the different demands of area for food production, the area for bioenergy production is caculated. It is the difference between the total agricultural area and the area for bioernergy production. The different kind of energy services (heat, electricity and liquid fuel) are provided by different conversion technology from energy plants. The allocation of the energy services is calculated on the basis of the energy flow diagram 2000 of Austria. In this respect, 57 % of energy is needed in form of heat, 13 % in form of electricity and 48 % in form of liquid fuel. Liquid fuel is divided in 52 % diesel and 48 % gasoline. It was the assumption, that heat is provided via the thermal utilisation of Miscanthus, electricity by the energetic utilisation of biogas (form the biomethanisation of corn silage), biodiesel by the conversion form rapeseeds an bioethanol by the conversion form wheat. The net energy balance for the different energy crops (miscanthus, maize, rapeseed, wheat) was the basis for the calculation. The results show, that between 2700 PJ and 3100 PJ can be produced by the energy plants in the CEECC-10. In the year 2000 the total energy consumption of the CEECC-10 was 5200 PJ. Under these conditions between 52 and 60 % of the total consumption could be provided via energy plants.
- Beurteilende(r): Boxberger Josef