Method for the incineration of waste containing fluorine and noble metals
AssigneeHeraeus Precious Metals GmbH & Co. KG
InventorsChristian NOWOTTNY, Thomas OEHMEN, Dieter SCHÄFER
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Abstract
A method for the incineration of waste containing fluorine and noble metals in a chamber furnace, the fluorine content of the waste lying in the range of >5 to 70 wt. %, and the noble metal content of the waste lying in the range of 0.1 to 30 wt. %, and the furnace chamber of the chamber furnace being lined with a chromium corundum material comprising ≥80 wt. % alpha-Al2O3, 1 to 20 wt. % Cr2O3 and 0 to 5 wt. % SiO2.
Claims9
A method for the incineration of waste containing fluorine and noble metals in a chamber furnace, wherein the fluorine content of the waste lies in the range of >5 to 70 wt. %, and the noble metal content of the waste lies in the range of 0.1 to 30 wt. %, and wherein the furnace chamber of the chamber furnace is lined with a chromium corundum material comprising ≥80 wt. % alpha-Al2O3, 1 to 20 wt. % Cr2O3 and 0 to 5 wt. % SiO2.
Dependencies are inferred from the claim text.