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Operating a blast furnace with the injection of hot reducing gas

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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Operating method for slag cleaning furnace in copper refining

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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Ore beneficiation method and apparatus

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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Ore reduction using calcium oxide desulfurization

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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Ore reduction using molten salts

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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Ore roasting with recycle of gases

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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Ore treatment involving a halo-metallization process

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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Ore treatment process

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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Oxidation and sinter-resistant metal powders

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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Oxidation and sinter-resistant metal powders and pastes

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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Oxidation roasting of ore

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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Oxidizing flux for simultaneous smelting/converting sulfides of

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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Oxygen blast furnace for direct steel making

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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Oxygen-free copper product and process

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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