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What temperatures are used in modern laterite nickel smelters?
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nickel processing
Nickel briquettes.
In modern laterite nickel smelters, electric furnaces typically operate at temperatures ranging from 1,360 °C to 1,610 °C (2,480 °F to 2,930 °F).1
These high temperatures are required due to the high magnesia content found in most laterite ores and the specific liquidus temperature of the furnace products. Because these high operating temperatures are necessary for efficient nickel processing, modern smelters must utilize extensive cooling block systems within the furnace's refractory lining to maintain structural integrity.12