| 摘要 |
The present invention relates to a method for heat treatment of powdery products (1), in particular powders, characterized in that said products are heated right up to a temperature of at least 700° C. in a passage tube (5) for current, positioned tilted with respect to a horizontal plane (P) and preferably substantially vertically with respect to this plane, said products flowing in said tube essentially by gravity. A device for applying this method is also described.
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