期刊
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
卷 155, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.psep.2021.09.009
关键词
Hydrogen production; CO2 separation; Sorption-enhanced reaction process; Steam reforming; CaO
资金
- National Natural Science Foundation of China [52006128]
- Natural Science Foundation of Shandong Province, China [ZR2020QE189]
- Elite Program Foundation of Shandong University of Science and Technology
SEPR utilizes CaO to efficiently produce hydrogen and remove CO2, with research progress and analysis on Ca-based sorbents summarized, as well as discussions on improving reactivity and the importance of compound materials.
Sorption-enhanced reaction process (SEPR) can produce high yield of hydrogen with in-situ CO2 removal using CaO. A key requirement for the process is the integration of effective Ca-based sorbents into catalytic schemes. In this work, the research progress of Ca-based CO2 sorbents in SEPR is summarized. The positive effects by Ca-based sorbents are analyzed. The methods to improve the reactivity of Ca-based sorbents are discussed. A good prospect of compound materials of catalysts/sorbents in SERP is pointed out, for which the relationship between the performance and structure or reaction condition should be further studied. The optimization of process parameters is critically reviewed to provide recommendations for industrial operation. The comprehensiveness of this work extends to the discussion about the applications of Density Functional Theory study in SERP. Process economics requires the integrated H-2 production with by-product conversion, renewable resources utilization, waste recycling and heat coupling optimization for the future research. (C) 2021 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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