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Title: USE OF GEOTHERMAL ENERGY IN THE ELECTRICITY GENERATION PROCESS.

USE OF GEOTHERMAL ENERGY IN THE ELECTRICITY GENERATION PROCESS.
K. Prill;M. Szczepanek
1314-2704
English
17
42
According to the literature [9,15] geothermal energy means a part of the Earth's energy resources accumulated in water, water steam and dry hot rocks. It is classified to a group of renewable resources, virtually inexhaustible due to its transfer from the Earth?s inside by conduction and convection. M. Kaczmarczyk [6] describes geothermal energy as a primary energy originated in the process of the Earth formation and as the energy generated by the radioactive decay. It has been evaluated that the global geothermal energy resources equal to around 8 1030J [5], while at the depth of 5,000 the resources amount to 1,4 1 026 J. Geothermal energy has also been classified in terms of its source. The classification includes two groups. The first group includes hydrothermal energy resources such as, in particular, underground watercourses containing diluted minerals (NaCl, KCl, CaCl2, SiO2) and gasses (mostly CO2, N2). The latter one comprises of petrothermal energy resources among which there is the dry layer of rocks and salt domes [13].

Taking into consideration the temperature, the geothermal energy sources may be classified as [10,14,15]:

- Lower - temperature sources, where the water temperature is < 90 °C,
- Medium - temperature sources, where the water temperature is from 90 °C to 150 °C,
- High - temperature sources, where the water temperature is >150 °C.
conference
17th International Multidisciplinary Scientific GeoConference SGEM 2017
17th International Multidisciplinary Scientific GeoConference SGEM 2017, 29 June - 5 July, 2017
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference-SGEM
Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
683-690
29 June - 5 July, 2017
website
cdrom
3775
geothermal energy; generation of energy; electricity; geothermal power station; renewable energy resources;