Life cycle assessment of alternatives for hydrogen production from renewable and fossil sources |
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| Authors: | Javier Dufour,David P. Serrano,José L. Gá lvez,Antonio Gonzá lez,Enrique Soria,José L.G. Fierro |
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| Affiliation: | 1. Department of Chemical and Energy Technology, ESCET, Universidad Rey Juan Carlos, c/Tulipán s/n, 28933 Móstoles, Madrid, Spain;2. Instituto IMDEA Energía, c/Tulipán s/n, 28933 Móstoles, Madrid, Spain;3. Renewable Energy Area, National Institute of Aerospace Technology (INTA), Crtra. Ajalvir Km 4, 28850 Torrejón de Ardoz, Madrid, Spain;4. Renewable Energy Division, CIEMAT, Avenida Complutense 22, 28040 Madrid, Spain;5. Instituto de Catálisis y Petroleoquímica, CSIC, Cantoblanco, 28049 Madrid, Spain |
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| Abstract: | New processes under development for producing hydrogen have been assessed using a life cycle methodology and compared to conventional ones. The aim of this paper is to determine the main obstacles to be beaten or the critical aspects to be addressed to ensure the feasibility of these processes. Water photosplitting, solar two-step thermochemical cycles and automaintained methane decomposition with different lay-outs were studied. They have been compared to methane steam reforming with CCS and electrolysis with different electricity sources. |
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| Keywords: | Life Cycle Assessment Hydrogen production Methane decomposition Photosplitting Thermochemical cycles Conventional production methods |
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