Geothermal seawater desalination using abandoned oil wells

Subject Areas : Renewable Energy

nazila azizi borujerdi ¹ (PhD student in Energy systems engineering, Department of Energy and Economics, science and research Branch, Islamic Azad university, Tehran, Iran.)
ashkan abdalisosan ² (Assistant professor, technical and engineering group, Astara unit, Islamic Azad university, Astara, Iran. *(Corresponding Author))
Ezatallah kazemzadeh ³ (Associate Professor, Research Institute of Petroleum Industry (RIPI), Tehran, Iran.)

Received: 2021-01-23 Accepted : 2021-07-10 Published : 2024-06-21

Keywords: Water Crisis, Desalination, Fossil fuels, Renewable energy, Abandoned oil wells.,

Abstract :

Background and Objective: Desalination of brackish water can be a good help in dealing with the water crisis. The aim of the present study is to design a geothermal desalination plant using thermal energy from the depths of abandoned oil wells.

Material and Methodology: This research was done in 1400 on Khark Island in the Persian Gulf. First, a multi-stage sweetening method is selected to use the heat of the abandoned oil well. Then, the methods and structures that help you increase the production of sweet milk using this option were examined using EES software, for which 4 different types have been presented, including:

·         Conventional multi-stage sweetening

·         Multi-stage sweetening with secondary preheating

·         Multi-stage sweetening with secondary preheating and external flash box

·         Multi-stage sweetening with secondary preheating, external flashbox and internal flashbox

Findings: Research findings show that the variable of presence of tourists in this area is influenced by the following life indices including: Economic prosperity, improving environmental quality, reduction of air pollution, improving communication of inhabitants and easy access to public transportation means and improving cultural issues.  

Discussion and Conclusion: In the final part of this research, geothermal desalination using economic heat from abandoned oil wells using current value method and inflation rates is economically analyzed.

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