METHOD FOR TREATING IRON RESIDUE

The invention relates to a method whereby iron residue generated in the hydrometallurgical production of zinc is neutralised and sulphidised in order to stabilise the harmful metals remaining in said residue. The conversion of harmful metals into their sulphides is carried out after neutralisation w...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LEHTINEN, LEENA, OINONEN, YRJOE
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING ORPROTECTING AGAINST HARMFUL CHEMICAL AGENTS CHEMISTRY DISPOSAL OF SOLID WASTE FERROUS OR NON-FERROUS ALLOYS FIRE-FIGHTING HUMAN NECESSITIES LIFE-SAVING METALLURGY PERFORMING OPERATIONS PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS RECLAMATION OF CONTAMINED SOIL SOIL TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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