The use of ilmenite as oxygen carrier with kerosene in a 300W CLC laboratory reactor with continuous circulation

Patrick Moldenhauer, Magnus Rydén, Tobias Mattisson, Mourad Younes and Anders Lyngfelt

Applied Energy, 2014, vol. 113, issue C, 1846-1854

Abstract: An ilmenite oxygen carrier was tested in a laboratory scale chemical-looping reactor with a nominal thermal capacity of 300Wth. Ilmenite is a mineral iron–titanium oxide, which has been used extensively as an oxygen carrier in chemical-looping combustion. Two different kinds of fuels were used, a sulfur-free kerosene and one kerosene that contained 0.57 mass% sulfur. Both fuels were continuously evaporated and directly fed into the chemical-looping reactor. Experiments were conducted for 50h with the sulfur-free kerosene and for 30h with the sulfurous kerosene. CO2 yields above 99% were achieved with both types of fuel. A significant and lasting improvement in the oxygen carrier’s reactivity was observed, presumably an effect of using sulfurous kerosene. No evidence of sulfur was found on the particles’ surface.

Keywords: Chemical-looping combustion (CLC); Liquid fuel; Sulfur; Ilmenite oxygen carrier; Circulating fluidized bed (CFB); CO2 sequestration (search for similar items in EconPapers)
Date: 2014
References: View complete reference list from CitEc
Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:113:y:2014:i:c:p:1846-1854

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DOI: 10.1016/j.apenergy.2013.06.009

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