Metal refineries process precious metals such as gold, silver, platinum or palladium. SWI swissinfo.ch visits Metalor, one of the world’s largest refineries based in Neuchâtel, Switzerland.
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Refineries have various customers ranging from banks, industrial customers and watch manufacturers.
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Precious metals are melted during the atomisation process with high-pressure jet pumps.
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Following this process, the molten metal is poured into rectangular moulds.
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Here gold bars are produced.
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In addition to gold bars, parts for industries are also produced. For example, parts and components for watches or electronics.
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Precious metals enter and leave the refinery in various shapes.
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To ensure that all precious metals remain in the production rooms, individuals leaving the building have to pass through a security check, similar to airport security checks.
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