Cadmium purification with a vibrating reactor
While electrolytically producing zinc from sulfide concentrates, purification is the most significant step. Impurities such as Co, Sn, Ge, Ni and Sb can cause extensive redissolution of the electrodeposited zinc, thus diminishing current efficiency. Other metals, particularly cadmium, lead and copper, can negatively affect zinc properties by deposition on the cathode. It is standard practice to use atomized zinc dust as a reducing agent in the purification process, either alone or combined with additives. In conventional operations, special facilities are necessary to produce zinc dust in an amount close to 8wt% of cathode production. This paper examines a technique which makes use of zinc granules instead of dust.
- OSTI ID:
- 7009695
- Journal Information:
- J. Met.; (United States), Vol. 38:8
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
CADMIUM
PURIFICATION
ADDITIVES
ANTIMONY
CATHODES
CHEMICAL REACTORS
COBALT
COPPER
DISSOLUTION
DUSTS
ELECTRIC CURRENTS
ELECTRODEPOSITION
ELECTROLYSIS
ENERGY EFFICIENCY
GERMANIUM
GRANULAR MATERIALS
IMPURITIES
LEAD
MECHANICAL VIBRATIONS
NICKEL
REDUCING AGENTS
SULFIDES
TIN
ZINC
CHALCOGENIDES
CURRENTS
DEPOSITION
EFFICIENCY
ELECTRODES
ELEMENTS
LYSIS
MATERIALS
METALS
SULFUR COMPOUNDS
SURFACE COATING
TRANSITION ELEMENTS
360101* - Metals & Alloys- Preparation & Fabrication