METHOD OF MINERAL RAW MATERIALS PROCESSING

METHOD OF MINERAL RAW MATERIALS PROCESSING

The invention relates to methods for extracting noble metals from raw material containing chlorides of alkali metals, for example slurries.  The method involves processing cinder in two stages, secondary enrichment by flushing with water at a solid-to-liquid ratio of 1:0.72.5 being carried out in th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SMETANNIKOV, ANDREI FILIPPOVICH, SINEGRIBOV, VIKTOR ANDREEVICH, SINEGRIBOVA, OKSANA AFANASIEVNA, KRASNOSHTEIN, ARKADIY EVGENIEVICH, NOVIKOV, PAVEL YURIEVICH, ANTYUFEEV, MIKHAIL ALEKSANDROVICH
Format: Patent
Sprache:eng ; fre
Schlagworte:
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:The invention relates to methods for extracting noble metals from raw material containing chlorides of alkali metals, for example slurries.  The method involves processing cinder in two stages, secondary enrichment by flushing with water at a solid-to-liquid ratio of 1:0.72.5 being carried out in the first stage, and then the washed cinder being leached using hydrochloric acid at a solid-to-liquid ratio of 1:23.