Title | Development of the hybrid sulfur cycle for use with concentrated solar heat. I. Conceptual design |
Publication Type | Journal Article |
Authors | Gorensek MB, Corgnale C, Summers WA |
Journal | International Journal of Hydrogen Energy |
Volume | 42 |
Issue | 33 |
Pagination | 20939-20954 |
ISSN | 0360-3199 |
Abstract | A detailed conceptual design of a solar hybrid sulfur (HyS) cycle is proposed. Numerous design tradeoffs, including process operating conditions and strategies, methods of integration with solar energy sources, and solar design options were considered. A baseline design was selected, and process flowsheets were developed. Pinch analyses were performed to establish the limiting energy efficiency. Detailed material and energy balances were completed, and a full stream table prepared. Design assumptions include use of: location in the southwest US desert, falling particle concentrated solar receiver, indirect heat transfer via pressurized helium, continuous operation with thermal energy storage, liquid-fed electrolyzer with PBI membrane, and bayonet-type acid decomposer. Thermochemical cycle efficiency for the HyS process was estimated to be 35.0%, LHV basis. The solar-to-hydrogen (STH) energy conversion ratio was 16.9%. This exceeds the Year 2015 DOE STCH target of STH >10%, and shows promise for meeting the Year 2020 target of 20%. |
Notes | 'doi: 10.1021/acsenergylett.0c01132\n - I.Am.Hydrogen' |
URL | http://www.sciencedirect.com/science/article/pii/S0360319917327027 |
DOI | 10.1016/j.ijhydene.2017.06.241 |
Development of the hybrid sulfur cycle for use with concentrated solar heat. I. Conceptual design
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