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Combined chemical looping : new possibilities for energy storage and conversion

Vladimir Galvita UGent, Hilde Poelman UGent and Guy Marin UGent (2017) ENERGY & FUELS. 31. p.11509-11514
abstract
A novel concept of energy storage and conversion was demonstrated in a laboratory-scale test. The proposed combined chemical looping is able to store and release energy from chemical looping combustion for heat generation and hydrogen production by steam−iron processes integrated in one reactor. The reactor contains two concentric chambers, which are both filled with iron-based material. In a first step, all material is reduced to the metallic form, thus “charging” the reactor. For the second step or “discharging”, steam is fed to the inner chamber and air is fed to the outer chamber. The inner chamber is used for hydrogen production, and the external chamber is used for heat generation. In addition to iron, the external chamber contains a highly pyrophoric Ni-based layer at the air entry point to enable the startup of heat generation at room temperature. This concept of combined chemical looping was successfully tested: heat was generated by metal oxidation in air, and H2 was produced following contact of the reduced sample with H2O, with an average space time yield of 0.2 molH2 kgFe−1 s −1.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
journal title
ENERGY & FUELS
volume
31
pages
11509 - 11514
ISSN
0887-0624
DOI
10.1021/acs.energyfuels.7b02490
language
English
UGent publication?
yes
classification
A1
id
8536484
handle
http://hdl.handle.net/1854/LU-8536484
date created
2017-11-07 14:28:31
date last changed
2017-11-09 08:06:19
@article{8536484,
  abstract     = {A novel concept of energy storage and conversion was demonstrated in a laboratory-scale test. The proposed
combined chemical looping is able to store and release energy from chemical looping combustion for heat generation and hydrogen production by steam\ensuremath{-}iron processes integrated in one reactor. The reactor contains two concentric chambers, which are both filled with iron-based material. In a first step, all material is reduced to the metallic form, thus {\textquotedblleft}charging{\textquotedblright} the reactor. For the second step or {\textquotedblleft}discharging{\textquotedblright}, steam is fed to the inner chamber and air is fed to the outer chamber. The inner chamber is used for hydrogen production, and the external chamber is used for heat generation. In addition to iron, the external chamber contains a highly pyrophoric Ni-based layer at the air entry point to enable the startup of heat generation at room temperature. This concept of combined chemical looping was successfully tested: heat was generated by metal oxidation in air, and H2 was produced following contact of the reduced sample with H2O, with an average space time yield of 0.2 molH2 kgFe\ensuremath{-}1 s \ensuremath{-}1.
},
  author       = {Galvita, Vladimir and Poelman, Hilde and Marin, Guy},
  issn         = {0887-0624 },
  journal      = {ENERGY \& FUELS},
  language     = {eng},
  pages        = {11509--11514},
  title        = {Combined chemical looping : new possibilities for energy storage and conversion},
  url          = {http://dx.doi.org/10.1021/acs.energyfuels.7b02490},
  volume       = {31},
  year         = {2017},
}

Chicago
Galvita, Vladimir, Hilde Poelman, and Guy Marin. 2017. “Combined Chemical Looping : New Possibilities for Energy Storage and Conversion.” Energy & Fuels 31: 11509–11514.
APA
Galvita, V., Poelman, H., & Marin, G. (2017). Combined chemical looping : new possibilities for energy storage and conversion. ENERGY & FUELS, 31, 11509–11514.
Vancouver
1.
Galvita V, Poelman H, Marin G. Combined chemical looping : new possibilities for energy storage and conversion. ENERGY & FUELS. 2017;31:11509–14.
MLA
Galvita, Vladimir, Hilde Poelman, and Guy Marin. “Combined Chemical Looping : New Possibilities for Energy Storage and Conversion.” ENERGY & FUELS 31 (2017): 11509–11514. Print.