DECARBONATION PROCESS OF CARBONATED MATERIALS IN A MULTI-SHAFT VERTICAL KILN

European Patent Office Patent

APP PUB NO EP-4337619-A1
SERIAL NO

22728777

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Abstract

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The present invention relates to a decarbonation process of carbonated materials, in particular limestone and dolomitic limestone, with CO2 recovery in a multi- shaft vertical kiln (MSVK) comprising a first and a second shaft with preheating, heating and cooling zones and a cross-over channel between each shaft, alternately heating carbonated materials by a combustion of at least one fuel with at least one comburent, up to a temperature range in which carbon dioxide of the carbonated materials is released, the combustion of the fuel and the decarbonatation generating an exhaust gas, wherein decarbonated materials are cooled in the cooling zones with one or more cooling streams, said process further comprising extracting the exhaust gas from the multi-shaft vertical kiln and feeding a buffer with said extracted exhaust gas.

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Patent Owner(s)

Patent OwnerAddress
TECFORLIMEBEBLD DE LAUZELLE 65 LOUVAIN-LA-NEUVE 1348

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Inventor(s)

Inventor Name Address
THIBEAUMONT ETIENNE VILLERS LE BOUILLET
CAMBIER PIERRE-OLIVIER HAMME-MILLE
ROBIN CHARLES FAULX-LES-TOMBES
AUBERT ALEX RUE FRANS VERVAECK 147 1083 GANSHOREN 1083

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