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Experimental carbonation of CaO in an entrained flow reactor

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Abstract

In this work, the feasibility of an entrained flow reactor for full decarbonisation of gas streams has been proved. Three CaO-based materials (two types of lime and calcined raw meal) with different textural properties and therefore, different CO2 carrying capacities have been fed to the entrained flow reactor in a series of tests in which the Ca/CO2 molar ratio and solid residence time were the operation variables studied. Up to 11 mol CO2 m−2 s−1 has been captured from the gas phase with CaO from calcined lime with a maximum CO2 carrying capacity of 0.57 mol CO2 per mol CaO, reaching CO2 capture efficiencies over 90% for a Ca/CO2 molar ratio of 5 and solid residence times under 5 s.

Graphical abstract: Experimental carbonation of CaO in an entrained flow reactor

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Publication details

The article was received on 11 Jan 2019, accepted on 14 Feb 2019 and first published on 18 Feb 2019


Article type: Paper
DOI: 10.1039/C9RE00015A
Citation: React. Chem. Eng., 2019, Advance Article
  • Open access: Creative Commons BY license
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    Experimental carbonation of CaO in an entrained flow reactor

    J. Plou, I. Martínez, G. S. Grasa and R. Murillo, React. Chem. Eng., 2019, Advance Article , DOI: 10.1039/C9RE00015A

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