Washing device for recovering metallic silver in waste developing film

The utility model provides a washing device for recovering metallic silver in a waste developing film, which comprises a washing cylinder filled with a washing solvent and the waste developing film to be treated. The washing cylinder comprises an outer cylinder and an inner cylinder, the inner cylin...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GONG MENGLONG, SONG LEPING, SUN BO
Format:	Patent
Sprache:	chi ; eng
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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