Co-production of hydrogen,electricity and CO2 from coal with commercially ready technology. Part B: Economic analysis |
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| Affiliation: | 1. Princeton Environmental Institute, Princeton University, 25 Guyot Hall, Princeton, NJ 08544, USA;2. Dipartimento di Energetica, Politecnico di Milano, P.zza Leonardo da Vinci, 32, 20133 Milan, Italy;1. School of Chemical and Environmental Engineering, China University of Mining and Technology - Beijing Campus, Beijing, China;2. Research Center of New Energy Development, China Longyuan Power Group, Beijing, China;1. Chemical Process Intensification, Eindhoven University of Technology, Department of Chemical Engineering and Chemistry, Eindhoven, The Netherlands;2. Norwegian University of Science and Technology, Department of Energy and Process Engineering, Trondheim, Norway;3. SINTEF Materials and Chemistry, Flow Technology Department, Trondheim, Norway;4. Group of Catalysis and Porous Materials, School of Chemical Engineering and Analytical Science, University of Manchester, Manchester, United Kingdom;1. Plant Engineering Center, Institute for Advanced Engineering (IAE), 175-28, Goan-ro, 51 Beon-gil, Baegam-myeon, Cheoin-gu, Yongin, Gyeonggi-do 449-863, Republic of Korea;2. Technology Commercialization Office, KEPCO Research Institute, 105 Munji-ro, Yuseong-gu, Daejeon 305-760, Republic of Korea;1. SINTEF Industry, Trondheim, Norway;2. Norwegian University of Science and Technology, Trondheim, Norway |
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| Abstract: | This two-part paper investigates performances, costs and prospects of using commercially ready technology to convert coal to H2 and electricity, with CO2 capture and storage. Part A focuses on plant configuration, performance, and CO2 emissions. Part B focuses on the cost of producing H2 and electricity, with and without reduced CO2 emissions. Our estimates show that the costs for 91% decarbonized energy (via quench gasification at 70 bar) are about for electricity and about $ 1.0/kg (8.5 $/GJ, LHV) for hydrogen; these are, respectively, 35% and 19% higher than the corresponding energy costs with CO2 venting. Referenced to these analogous CO2 venting plants, the costs of CO2 emissions avoided are 24 $/tonne for electricity and 11 $/tonne for H2. |
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