Global assessment of the carbon–water tradeoff of dry cooling for thermal power generation

19489 8 105750 2 321478 document 105750 yue-qin-global-assessment-of-the-carbon-water-tradeoff.pdf application/pdf e71de695b80f40a5be454bc28cade3ce MD5 7963716 2024-04-18 12:37:10 https://pure.iiasa.ac.at/id/eprint/19489/1/yue-qin-global-assessment-of-the-carbon-water-tradeoff.pdf 19489 1 1 application/pdf text en public

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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/105750 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/105750 http://eprints.org/relation/issmallThumbnailVersionOf https://pure.iiasa.ac.at/id/document/105750 archive 353 disk0/00/01/94/89 2024-02-09 12:08:04 2024-09-09 12:48:48 2024-02-09 12:08:04 article show 1 Qin Y. Wang Y. Li S. Deng H. Wanders N. Bosmans J. Huang L. Hong C. Byers E. 2115 0000-0003-0349-5742 Gingerich D. Bielicki J.M. He G. Global assessment of the carbon–water tradeoff of dry cooling for thermal power generation pub ECE IACC S3 Water scarcity and climate change are dual challenges that could potentially threaten energy security. Yet, integrated water–carbon management frameworks coupling diverse water- and carbon-mitigation technologies at high spatial heterogeneity are largely underdeveloped. Here we build a global unit-level framework to investigate the CO2 emission and energy penalty due to the deployment of dry cooling—a critical water mitigation strategy—together with alternative water sourcing and carbon capture and storage under climate scenarios. We find that CO2 emission and energy penalty for dry cooling units are location and climate specific (for example, 1–15% of power output), often demonstrating notably faster efficiency losses than rising temperature, especially under the high climate change scenario. Despite energy and CO2 penalties associated with alternative water treatment and carbon capture and storage utilization, increasing wastewater and brine water accessibility provide potential alternatives to dry cooling for water scarcity alleviation, whereas CO2 storage can help to mitigate dry cooling-associated CO2 emission tradeoffs when alternative water supply is insufficient. By demonstrating an integrative planning framework, our study highlights the importance of integrated power sector planning under interconnected dual water–carbon challenges. 2023-08-07 published Nature Publishing Group doi:10.1038/s44221-023-00120-6 2585 public Nature Water 1 8 682-693 TRUE 2731-6084 no info:eu-repo/semantics/article