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Application of chemical geothermometers to low temperature fields in Southern Bulgaria

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dc.contributor Jarðhitaskóli Háskóla Sameinuðu þjóðanna is
dc.contributor.author Hristov, Vladimir is
dc.date.accessioned 2020-05-12T10:43:34Z
dc.date.available 2020-05-12T10:43:34Z
dc.date.issued 1993
dc.identifier.issn 1670-7427
dc.identifier.uri http://hdl.handle.net/10802/23254
dc.description Myndefni: kort, línurit, töflur. is
dc.description.abstract Bulgaria is quite rich in thermal waters with temperatures between 20 and 100 C. In Southern Bulgaria there are more than 600 hot springs and wells in about 120 localities. This report made use of 203 chemical analyses from different hot springs and wells. The chemical composition of the thermal waters from 18 fields were interpreted by chemical geothermometers. Four fields, Burgas, Kazanlak, Razlog and Sofia, were selected as suitable areas for interpretation of all samples. The main results of this report are predicted temperatures for about 200 samples using various quantitative chemical geothermometers (chalcedony, Na-K, Na-Li, Na-K-Ca and K-Mg). Chemical equilibrium calculations were made using the computer programme WATCH and plotting the log(Q/K) diagram. It was found that water with temperatures 10-20 C higher than are now found, could be obtained by drilling in several areas in Southern Bulgaria. It is likely that about 10% of the geothermal occurrences could be used directly for heating because they have temperatures above 70 C. This might mean expanded utilization of hot water in Southern Bulgaria, which at present is used directly and indirectly in spas, swimming pools, greenhouses but only in a few cases for heating. is
dc.format.extent 1 rafrænt gagn (40 bls.) is
dc.language.iso en
dc.publisher United Nations University is
dc.publisher Orkustofnun is
dc.relation.ispartofseries United Nations University., UNU Geothermal Training Programme, Iceland. Report ; 1993:7
dc.relation.uri http://www.os.is/gogn/unu-gtp-report/UNU-GTP-1993-07.pdf
dc.subject Jarðhiti is
dc.subject Jarðhitarannsóknir is
dc.subject Jarðefnafræði is
dc.subject Efnafræði is
dc.subject Búlgaría is
dc.title Application of chemical geothermometers to low temperature fields in Southern Bulgaria en
dc.type Bók is
dc.identifier.gegnir 001511995


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