Szczegóły publikacji
Opis bibliograficzny
$CO_{2}$ enhanced geothermal system for heat and electricity production – process configuration analysis for central Poland / Paweł GŁADYSZ, Leszek PAJĄK, Anna SOWIŻDŻAŁ, Maciej Miecznik // W: ECOS 2019 [Dokument elektroniczny] : proceedings of the 32nd international conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems : Wrocław, Poland, 23–28 June 2019 / ed. by Wojciech Stanek, [et al.]. — Wersja do Windows. — Dane tekstowe. — [Gliwice] : Institute of Thermal Technology. Silesian University of Technology, 2019. — Dysk Flash. — e-ISBN: 978-83-61506-51-5. — S. 4381–4397. — Wymagania systemowe: Adobe Reader. — Bibliogr. s. 4395–4397, Abstr. — W bazie Scopus zakres stron: 4417-4433
Autorzy (4)
- AGHGładysz Paweł
- AGHPająk Leszek
- AGHSowiżdżał Anna
- Miecznik Maciej
Słowa kluczowe
Dane bibliometryczne
| ID BaDAP | 122760 |
|---|---|
| Data dodania do BaDAP | 2019-07-18 |
| Rok publikacji | 2019 |
| Typ publikacji | materiały konferencyjne (aut.) |
| Otwarty dostęp |  |
| Wydawca | Politechnika Śląska |
Abstract
The pursuit of more economically feasible and socially acceptable CO2 capture technologies often focus around the utilization of capture carbon dioxide. Among well-established CO2 capture, utilization and storage (CCUS) technologies like enhanced oil recovery, there are some new ones that are of interest for industry sectors. One of those promising technologies is the CO2 Enhanced Geothermal Systems (CO2-EGS), where two main concepts can be distinguished. The supercritical CO2 (sCO2) may be utilised as the circulating heat exchange fluid (in combination with Organic Rankine Cycle) or the circulating CO2 could be used directly as the working fluid in the sCO2 power cycle (e.g. Bryton cycle). Combination of both approaches can also be applied. The benefit of the first solution is that due to the significant difference in density between the cold CO2 flowing down the injection wells and the hot CO2 flowing up the production wells eliminates the need for a circulation pump. Within the second option, higher energy efficiencies are expected. But it needs to be remembered that all of the potential benefits will strongly depend on the parameters of the geological reservoir. When the sCO2 is used as the working fluid, additional benefit can be obtained, as the partial sequestration of CO2 will take place. The paper presents the results of design and optimisation of power generation systems to work with supercritical CO2 together with the economic effects of the CO2-EGS operation. Two issues have been addressed in order to perform a comprehensive analysis of the CO2-EGS - the geothermal reservoir numerical modelling and the mathematical modelling of the sCO2 power cycle. The presented results prove that the CO2-EGS can be a feasible option for the utilization of the CO2, and at the same time can be a valid source of heat and/or electricity. The analysed process configurations prove that the optimal design of subsurface part of the system (sCO2 power cycle) strongly depends on the parameters of the geological reservoir, as well as availability for heat sink (e.g. low-temperature district heating system). © 2019 Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems.All rights reserved.
