Techno-economic optimization of energy supply of a livestock farm
2015
Mančić, Marko (Faculty of Mechanical Engineering, Niš (Serbia)) | Živković, Dragoljub (Faculty of Mechanical Engineering, Niš (Serbia)) | Vukadinović, Bojana (Faculty of Technology and Metallurgy, Belgrade (Serbia)) | Ćosović, Aleksandar (Institute for Technology of Nuclear and other Mineral Raw Materials (Serbia))
Livestock farming is a significant part of agricultural market in Serbia. However, a descending trend of livestock species has been recorded recently, despite its potential for meat export. Application of new technologies could improve competitiveness of livestock farming. In this paper, energy efficient energy supply technologies and potentials for their application in livestock farms have been analyzed. A methodology for pinpointing profitable energy supply options which also provides significant energy and CO2 savings has been proposed. A case study of a pig farm was used to perform an energy balance and allocation of energy supply costs. Potentials for application of energy supply technologies based on local resources have been estimated in the study. The effects of integration of proposed technologies were also estimated. The suggested methodology was used to analyze the feasibility of proposed energy supply options. Investment in a biogas cogeneration plant showed best profitability. An integrated option which envisages the application of heat pump for heat supply and photovoltaic solar collectors for production of electricity showed best energetic and environmental performance while managing to maintain financial feasibility.
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