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MULTI-STAGE CLAY CALCINATION METHOD FOR CONTROLLING PRODUCT COLOR
A method for the thermal treatment of clays by: preheating the clay, which is suspended in a carrier gas, in a heat exchanger; thermally treating the clay in a calcination stage operated under chemically oxidizing conditions; subsequently thermally treating the clay in a calcination stage operated under chemically reducing conditions; cooling the clay in a cooling stage operated under chemically reducing conditions; cooling the clay in a cooling stage operating under chemically oxidizing conditions.
MULTI-STAGE CLAY CALCINATION METHOD FOR CONTROLLING PRODUCT COLOR
A method for the thermal treatment of clays by: preheating the clay, which is suspended in a carrier gas, in a heat exchanger; thermally treating the clay in a calcination stage operated under chemically oxidizing conditions; subsequently thermally treating the clay in a calcination stage operated under chemically reducing conditions; cooling the clay in a cooling stage operated under chemically reducing conditions; cooling the clay in a cooling stage operating under chemically oxidizing conditions.
MULTI-STAGE CLAY CALCINATION METHOD FOR CONTROLLING PRODUCT COLOR
FEISS MARC (author)
2023-11-23
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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