METHOD FOR REDUCING HEXAVALENT CHROMIUM IN OXIDIC SOLIDS

The invention relates to a method for reducing hexavalent chromium in oxidic solids, having the following steps: a) heating the oxidic solid, which contains Cr(VI), to a temperature of 600 to 1400 °C in an atmosphere containing less than 0.1 vol.% of an oxidizing gas and b) cooling the reaction prod...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BOLL, Matthias, FRIEDRICH, Holger, ORTMANN, Rainer
Format:	Patent
Sprache:	eng ; hun
Schlagworte:	CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F INORGANIC CHEMISTRY METALLURGY
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