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Geothermal energy for sustainable water resources management

机译：地热能促进可持续水资源管理

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With ever-increasing population and steep declining freshwater supply, the future concern of MENA and Sub-Saharan countries is food security. Egypt is more vulnerable to food security due to the increased water rights being exercised by the countries sharing the Nile River. Assuming that Egypt by 2025 will achieve 1000 m(3)/y per capita consumption of water, with the population growing beyond 109 millions, the water available by 2025 would be around 106 billion m(3)/y. With increasing pressure from the Nile River basin riparian countries, Egypt may not be able to manage with the current 58 billion m(3) of water from the Aswan dam to achieve per capita goal. To maintain the current per capita water consumption of 636 m(3)/y Egypt may need about 1200 desalination plants and 200 x 10(6) kWh electricity is required to operate these plants and the CO2 emissions due to this process will be around 80-160 million tones. Electricity generated from hydrothermal sources can supply 659 x 10(9) m(3)/year of desalinated water while the EGS can generate 58,400 x 10(9) m(3)/y of desalinated water from the Red Sea. This will help the country to meet the current fresh water deficit of 48 x 10(9) m(3)/y. By the year 2025, the demand for fresh water will be of the order of 106 x 10(9) m(3)/y to maintain 1000 m(3)/y per capita water consumption. Egypt can set an example to MENA and Sub-Saharan countries by using geothermal energy for sustainable development and future water and food security.
机译：随着人口的不断增加和淡水供应的急剧下降，中东和北非和撒哈拉以南国家对未来的关注是粮食安全。由于共享尼罗河的国家增加了水权，因此埃及更容易受到粮食安全的影响。假设到2025年埃及将达到人均用水量1000 m（3）/ y，人口增长超过1.09亿，那么到2025年可用水量将达到1060亿m（3）/ y。随着尼罗河流域沿岸国家的压力越来越大，埃及可能无法利用阿斯旺水坝目前的580亿立方米（3）的水量来实现人均目标。为了维持目前的人均用水量636 m（3）/ y，埃及可能需要约1200个海水淡化厂，而运行这些电厂需要200 x 10（6）kWh的电力，并且由于该过程而产生的CO2排放量约为80 -1.6亿音。由热液产生的电力每年可以提供659 x 10（9）m（3）/年的淡化水，而EGS可以从红海产生58,400 x 10（9）m（3）/ y的淡化水。这将有助于该国解决目前的48 x 10（9）m（3）/ y淡水短缺问题。到2025年，对淡水的需求量将达到106 x 10（9）m（3）/ y，以维持人均用水1000 m（3）/ y。埃及可以通过利用地热能促进可持续发展以及未来的水和粮食安全，为中东和北非和撒哈拉以南国家树立榜样。

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  • 来源
    《International journal of green energy》 |2020年第5期|1-12|共12页
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  • 作者单位

    India Inst Technol Hyderabad Dept Civil Engn Hyderabad India|King Saud Univ Geol & Geophys Dept Riyadh Saudi Arabia;

    King Saud Univ Dept Petr & Gas Engn Riyadh Saudi Arabia;

    King Saudi Univ Coll Sci Dept Geol & Geophys Riyadh Saudi Arabia;

    King Saud Univ Dept Geol Riyadh Saudi Arabia;

    GeoSyndicate Power Pvt Ltd Mumbai Maharashtra India;

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  • 正文语种 eng
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  • 关键词

    Geothermal energy; desalination; sustainable development; food security; water security; Egypt;

    机译：地热能;海水淡化可持续发展;食品安全;水安全;埃及;

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