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PROCÉDÉ DE PRODUCTION D'ARGILE CALCINÉE
A method for producing calcined clay having desired colour characteristics. The method includes: a step of calcining a clay in a calcination furnace, the calcination step being carried out under stoichiometric or oxidising conditions, and a step of reducing iron (III) oxides present in the calcined clay in a reduction system separate from the calcination furnace, this reduction step being carried out by injecting a reduction gas, containing hydrogen atoms and placed in direct contact with the calcined clay.
PROCÉDÉ DE PRODUCTION D'ARGILE CALCINÉE
A method for producing calcined clay having desired colour characteristics. The method includes: a step of calcining a clay in a calcination furnace, the calcination step being carried out under stoichiometric or oxidising conditions, and a step of reducing iron (III) oxides present in the calcined clay in a reduction system separate from the calcination furnace, this reduction step being carried out by injecting a reduction gas, containing hydrogen atoms and placed in direct contact with the calcined clay.
PROCÉDÉ DE PRODUCTION D'ARGILE CALCINÉE
METHOD FOR PRODUCING CALCINED CLAY
VERFAHREN ZUR HERSTELLUNG VON KALZINIERTEM TON
CHARMET JEAN-MICHEL (author)
2024-10-02
Patent
Electronic Resource
French
IPC:
C04B
Kalk
,
LIME