WO 2015/132437 A1

Method for calcination with production of pure CO2 by means of combustion using O2 transporters

(22) 04.03.2015

(43) 11.09.2015

(57) The aim of the method according to the invention is to produce a stream of calcinated solids rich in CaO and a pure or almost pure stream of CO2 from a solid stream rich in CaCO3, by means of a stream of solids heated at a very high temperature by a process of oxidation of said solids with air. The stream rich in CaO can be used to supply clinker kilns in cement works or for processes for harnessing CO2.

(71) Consejo Superior de Investigaciones Cientificas, Serrano, 117, 28006 Madrid (ES)

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