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A novel cascade heat design for a geothermal energy-based combined power plant in integration with water electrolysis and ammonia synthesis processes: Comprehensive thermo-environ-economic analyses
Jia, Qiaoran1; Zhu, Zehua1; Zhang, Tao1; Liu, Xiwen1; Li, Ding2; Wang, Maotao1; Wang, Min3
2024-12-01
Source PublicationEnergy
ISSN0360-5442
Volume311Pages:133383
Abstract

The present paper introduces an innovative integrated system for simultaneous cooling, heating, power, and ammonia production utilizing geothermal energy. The novel configuration incorporates a geothermal-based single-flash power plant, a modified Kalina cycle, an organic Rankine cycle, an electrochemical unit, and an ammonia synthesis process. The Kalian cycle has undergone modifications aimed at enhancing its production capacity, while the electrochemical unit provides hydrogen for the ammonia synthesis process. The research encompasses a thorough assessment of the proposed system's potential with regard to thermodynamic, environmental impact, and economic considerations. Additionally, a parametric assessment is conducted using the flash pressure of the geothermal fluid and the proportion of unreacted gases to the ammonia synthesis reactor in order to analyze the performance variables of the system. The proposed system demonstrates a power generation capacity of 15513.18 kW, a heating load of 24880 kW, a cooling load of 11540 kW, and an ammonia production capacity of 0.282 kg/s. Moreover, the process exhibits irreversibility with a total value of 16977 kW. Consequently, the energy and exergy efficiencies amount to 34.55 % and 57.17 %, correspondingly. Besides, geothermal energy offers environmental benefits, as its non-polluting nature results in reduced CO emissions in comparison to biomass, coal-based, and hybrid energy systems. Eventually, the economic analysis demonstrates that the total cost rate and sum unit cost of products are 825 $/h and 9.57 $/GJ, respectively.

KeywordEconomic Viability Environmental Sustainability Geothermal Energy System Kalina Cycle Renewable Energy Thermodynamic Analysis
DOI10.1016/j.energy.2024.133383
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaThermodynamics ; Energy & Fuels
WOS SubjectThermodynamics ; Energy & Fuels
WOS IDWOS:001335136800001
PublisherPERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
Scopus ID2-s2.0-85206305913
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Citation statistics
Document TypeJournal article
CollectionFaculty of Social Sciences
Corresponding AuthorZhu, Zehua; Wang, Min
Affiliation1.Faculty of Humanities and Social Sciences, Macao Polytechnic University, 999078, Macao
2.Faculty of Social Sciences, University of Macau, 999078, Macao
3.Department of Energy and Environment, Southeast University, Nanjing, China
Recommended Citation
GB/T 7714
Jia, Qiaoran,Zhu, Zehua,Zhang, Tao,et al. A novel cascade heat design for a geothermal energy-based combined power plant in integration with water electrolysis and ammonia synthesis processes: Comprehensive thermo-environ-economic analyses[J]. Energy, 2024, 311, 133383.
APA Jia, Qiaoran., Zhu, Zehua., Zhang, Tao., Liu, Xiwen., Li, Ding., Wang, Maotao., & Wang, Min (2024). A novel cascade heat design for a geothermal energy-based combined power plant in integration with water electrolysis and ammonia synthesis processes: Comprehensive thermo-environ-economic analyses. Energy, 311, 133383.
MLA Jia, Qiaoran,et al."A novel cascade heat design for a geothermal energy-based combined power plant in integration with water electrolysis and ammonia synthesis processes: Comprehensive thermo-environ-economic analyses".Energy 311(2024):133383.
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