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MACROPOROUS OXYGEN CARRIER SOLID WITH A REFRACTORY FELDSPAR/FELDSPATHOID, METHOD FOR THE PREPARATION THEREOF, AND USE THEREOF IN A CHEMICAL-LOOPING OXIDATION-REDUCTION METHOD
MACROPOROUS OXYGEN CARRIER SOLID WITH A REFRACTORY FELDSPAR/FELDSPATHOID, METHOD FOR THE PREPARATION THEREOF, AND USE THEREOF IN A CHEMICAL-LOOPING OXIDATION-REDUCTION METHOD
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机译：具有难降解的软化石/软化氧化物的大孔载氧体，其制备方法，以及在化学循环氧化还原法中的应用
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摘要
The invention relates to an oxygen carrier solid, its preparation and its use in a method of combustion of a hydrocarbon feedstock by active mass chemical-looping oxidation-reduction, i.e. chemical-looping combustion (CLC). The solid, which is hi the form of particles, comprises an oxidation-reduction active mass composed of metal oxide(s) dispersed in a ceramic matrix comprising at least at least one feldspar or feldspathoid with a melting point higher than 1500° C., such as celsian, and has, initially, a specific macroporous texture. The oxygen carrier solid is prepared from a precursor of the ceramic matrix, obtained from a macroporous zeolitic material with zeolite crystals of a specific size, and a precursor of the oxidation-reduction active mass.
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