Stepwise reduction kinetics of iron-based oxygen carriers by CO/CO2 mixture gases for chemical looping hydrogen generation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Material Cycles and Waste Management"
DOI: 10.1007/s10163-015-0443-2
Abstract: Chemical looping hydrogen generation using iron oxides as oxygen carriers is a novel technology to convert carbonaceous substances into hydrogen. The reduction characteristics of oxygen carriers greatly impact the process efficiency. In this work, the… read more here.
Keywords: reduction; looping hydrogen; chemical looping; oxygen carriers ... See more keywords
Cyclic reactivity of the sol–gel and graphite impregnation-derived Cu-based oxygen carriers for chemical looping with oxygen uncoupling
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-020-10163-6
Abstract: Chemical looping with oxygen uncoupling (CLOU) is a promising technology to be used in combination with the oxy-fuel combustion/gasification processes for carbon capture and sequestration in that it reduces the energy penalty for O2 generation;… read more here.
Keywords: oxygen; chemical looping; graphite impregnation; reactivity ... See more keywords
Oxidation kinetic modelling of Fe-based oxygen carriers for chemical looping applications: Impact of the topochemical effect
Sign Up to like & getrecommendations! Published in 2020 at "Applied Energy"
DOI: 10.1016/j.apenergy.2020.115701
Abstract: Abstract Chemical looping is a promising technology for fossil fuel utilization due to its high fuel conversion efficiency with in-situ CO2 capture capability. Metal oxide are used as oxygen carriers (OCs) and circulate between a… read more here.
Keywords: oxidation; chemical looping; oxidation kinetic; model ... See more keywords
Optimization of spray dried attrition-resistant iron based oxygen carriers for chemical looping reforming
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2016.10.092
Abstract: Abstract In chemical looping reforming oxygen carriers suffer from attrition, which must be reduced to increase their lifetime. Therefore, the production of Fe-based carriers by spray drying was optimized in order to obtain mechanically strong… read more here.
Keywords: oxygen; chemical looping; attrition; spray dried ... See more keywords
Carbon formation on iron-based oxygen carriers during CH4 reduction period in Chemical Looping Hydrogen Generation process
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2017.05.027
Abstract: Abstract Chemical Looping Hydrogen Generation (CLHG) is promising hydrogen production technology with inherent capture CO 2 and high-purity hydrogen production simultaneously. Although the reactivity and durability of oxygen carriers can be improved by the combination… read more here.
Keywords: oxygen; reduction; hydrogen; oxygen carriers ... See more keywords
Ce-Fe-Zr-O/MgO coated monolithic oxygen carriers for chemical looping reforming of methane to co-produce syngas and H2
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2020.124190
Abstract: Abstract Chemical looping steam methane reforming (CL-SMR) is a promising technology for co-producing syngas and pure hydrogen without additional purification processes. As a typical gas-solid reaction, the size and geometry of oxygen carriers strongly influence… read more here.
Keywords: oxygen; oxygen carrier; chemical looping; methane ... See more keywords
Perovskite-type LaMn1-xBxO3+δ (B = Fe, Co and Ni) as oxygen carriers for chemical looping steam methane reforming
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DOI: 10.1016/j.cej.2021.128751
Abstract: Abstract Chemical looping steam methane reforming (CLSMR) is capable of accomplishing both methane reforming and hydrogen generation, and the oxygen carrier is a key issue for CLSMR. In this work, LaMn1-xBxO3+δ (B = Fe, Co… read more here.
Keywords: oxygen carriers; methane reforming; lamn1; methane ... See more keywords
Effect of sintering on the reactivity of copper-based oxygen carriers synthesized by impregnation
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DOI: 10.1016/j.ces.2016.12.073
Abstract: A grain model based on population balances for redox reactions of copper-based oxygen carriers is developed. It considers the effects of grain size distribution and sintering, and a new expression for the aggregation frequency, which… read more here.
Keywords: oxygen carriers; copper based; based oxygen; impregnation ... See more keywords
Layered Mg-Al spinel supported Ce-Fe-Zr-O oxygen carriers for chemical looping reforming
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DOI: 10.1016/j.cjche.2020.06.035
Abstract: Abstract A series of layered Mg-Al spinel supported Ce-Fe-Zr-O oxygen carriers were prepared for co-production of syngas and pure hydrogen via chemical looping steam reforming (CLSR). The presence of magnesium-aluminum layered double oxides (MgAl-LDO) significantly… read more here.
Keywords: oxygen; mgal ldo; spinel supported; oxygen carriers ... See more keywords
Application of calcium ferrites as oxygen carriers for microalgae chemical looping gasification
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DOI: 10.1016/j.enconman.2018.01.041
Abstract: Abstract Calcium ferrites (CaFe2O4 and Ca2Fe2O5) are adopted as oxygen carriers for microalgae chemical looping gasification (CLG), and their reactivity is tested through TG-FTIR and fixed-bed reactor. Thermodynamics data show the ideal temperature for calcium… read more here.
Keywords: carriers microalgae; calcium ferrites; chemical looping; oxygen carriers ... See more keywords
Synergy of red mud oxygen carrier with MgO and NiO for enhanced chemical-looping combustion
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DOI: 10.1016/j.energy.2020.117202
Abstract: Abstract Low-cost oxygen carriers prepared by natural ores or solid wastes have been attracted much attention for large-scale application in chemical looping combustion (CLC) technology. However, these oxygen carriers usually exhibit low activity and poor… read more here.
Keywords: oxygen; red mud; oxygen carrier; chemical looping ... See more keywords