The investigation of biogas potential in the Pieriga region [Latvia]
2012
Straume, I., Latvia Univ. of Agriculture, Jelgava (Latvia)
The potential of biogas and available energy have been calculated alone all of Latvia in general until now. The specific character of each region of Latvia was not excluded. In this article many successful biogas plants sites in Pieriga region have been inspected, where biogas is combusted in cogeneration plants producing electricity and heat simultaneously. The biogas potential was also calculated in Pieriga region, where it was produced from domestic animal (cattle, pigs and chicken) manure, as well as the unused agricultural available land (AAL) area, the waste water treatment of biological plants of the largest cities, the largest landfills of solid household waste in the region and food processing industry waste. The majority of the total biogas potential makes around 341 million m3 of biogas per year in Pieriga region and is derived from the unused AAL area – 216.6 million m3 of biogas per year. On average, the biogas potential in each the district of Pieriga region makes around 12 million m3 of biogas per year. The calculated amount of electricity that could be produced by using biogas is around 750 GWh per year.
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