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Zinc metal is most commonly extracted from zinc sulphide mineral (sphalerite) concentrates that are produced at various mines by flotation," Leroux explains. 90 m-thick zone of semi-massive and disseminated sulphide (approximately 25%) with a much higher content of copper and zinc sulphides. In addition, it has a freeze point below minus 45 degrees Celsius, has a non-toxic zinc sulphide by-product and has a mild odour. |
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