期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 42, 期 19, 页码 13661-13680出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2016.11.198
关键词
Sorption enhanced steam methane reforming; Combined sorbent-catalyst material; CO2 capture
资金
- European Union's Seventh Framework Program ASCENT [608512]
Sorption enhanced steam methane reforming (SESMR), i.e. SMR with in situ CO2-sorption, can lead to a sustainable and economical exploiting of natural gas for hydrogen production, with high purity and simultaneous sequestration of greenhouse gases. CaO-mayenite CO2-sorbents, Ni-mayenite SMR catalysts and Ni CaO-mayenite combined sorbent catalyst materials (CSCM) for SESMR were synthesized by wet mixing and wet impregnation methods, and characterized by means of XRD, BET/BJH, SEM/EDS, and TPR. For CSCM, an influence of CaO load on textural and Ni reducibility properties was recorded. Materials sorption capacity was measured in multicycles sorption/regeneration TGA tests: it always underwent a stabilization with cycle number increase. Reforming tests in micro-reactor scale were performed on 3 wt% to 10 wt% Ni-mayenite and selected CSCM: all Ni-mayenite always shown good performances, while for CSCM a detrimental role of CaO load on Ni catalytic activity was evidenced. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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