Hydrogen production through sorption enhanced steam reforming of natural gas: Thermodynamic plant assessment |
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| Authors: | I. Martí nez,M.C. Romano,P. Chiesa,G. Grasa,R. Murillo |
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| Affiliation: | 1. Instituto de Carboquímica (Consejo Superior de Investigaciones Científicas), Miguel Luesma Castán 4, 50018 Zaragoza, Spain;2. Politecnico di Milano, Dipartimento di Energia, Via Lambruschini 4, 20156 Milano, Italy |
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| Abstract: | A detailed and comprehensive simulation model of a H2 production plant based on the Sorption Enhanced Reforming (SER) process of natural gas has been developed in this work. Besides thermodynamic advantages related to the shift of reforming equilibrium, SER technology features an intrinsic CO2 capture that can be of interest in environmentally constrained economies. The model comprises natural gas treatment, H2 and CO2 compression, as well as H2 purification with an adsorption unit that has been integrated within the SER process by using the off-gas for sorbent regeneration. A complete thermal integration has been also performed between the available hot gas streams in the plant, so that high pressure steam is generated and used to generate power in a steam cycle. |
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| Keywords: | Hydrogen CO2 pre-combustion capture Sorption enhanced reforming Thermal integration |
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