METHOD FOR COLLECTING VALUABLE METAL FROM NICKEL-HYDROGEN SECONDARY CELL

• Main Authors: OKADA, CHIKARA, SANTOKU METAL INDUSTRY CO., LTD, KITAZUME, NOBUYUKI, SANTOKU METAL IND. CO., LTD, KANEKO, AKIHITO, SANTOKU METAL INDUSTRY CO., LTD
• Format: Patent
• Language: English; French; German
• Published: 26.04.1995
• Edition: 6
• Subjects: APPARATUS THEREFOR; BASIC ELECTRIC ELEMENTS; CHEMISTRY; ELECTRICITY; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; FERROUS OR NON-FERROUS ALLOYS; METALLURGY; PRETREATMENT OF RAW MATERIALS; PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; PRODUCTION AND REFINING OF METALS; TREATMENT OF ALLOYS OR NON-FERROUS METALS

A method comprising the steps of preparing crushed material by crushing nickel-hydrogen secondary cells; separating alkalis, organic substances, and iron from the crushed substance in order to obtain a separated material from which at least alkalis, organic substances, and iron are separated; burnin...