HYDROMETALLURGISK PROCESS FOER AVLAEGSNANDE AV METALLFOERORENINGAR AV EN LOESNING INNEHAOLLANDE UPPLOESTA METALLER

HYDROMETALLURGISK PROCESS FOER AVLAEGSNANDE AV METALLFOERORENINGAR AV EN LOESNING INNEHAOLLANDE UPPLOESTA METALLER

Hydrometallurgical treatment process for the removal of metallic impurities from a solution containing metals to be extracted, in particular from a solution derived from an acid attack of ferrous waste, characterized in that it consists in adding a silicate to this solution, in order to form an in s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LOCKERENTE SERGE RYSMAN DE, LAEVER JACQUES DE
Format: Patent
Sprache:fin
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
COMPOUNDS THEREOF
CONCRETE
FERROUS OR NON-FERROUS ALLOYS
INORGANIC CHEMISTRY
LIME, MAGNESIA
METALLURGY
NON-METALLIC ELEMENTS
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
REFRACTORIES
SLAG
TREATMENT OF ALLOYS OR NON-FERROUS METALS
TREATMENT OF NATURAL STONE
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:Hydrometallurgical treatment process for the removal of metallic impurities from a solution containing metals to be extracted, in particular from a solution derived from an acid attack of ferrous waste, characterized in that it consists in adding a silicate to this solution, in order to form an in situ dissolved silicic acid and precipitate the metallic impurities with a ph included between 1.5 and 4.5 thus forming a solid silicate residue. (Machine-translation by Google Translate, not legally binding)