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DE3409412A1
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Preparation of copper sulphate solution from a bed comprising particles of metallic copper and containing insoluble material.
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Foam formation suppression on molten metal surfaces
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Process and apparatus for minimizing foam formation during free falling of molten metal into moulds, launders or other containers
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Foerfarande och anordning foer minimering av skumbildning vid smaelt metalls fria fall in i formar, traog och motsvarande kaerl.
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Process and apparatus for continuous converting of copper and non-ferrous matters
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Process for the selective dissolution of cobalt from cobaltite-pyrite concentrates
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Electrode structure for electrolyser cells
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Heat transfer boiling surface
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Cathode starting sheet for the electrodeposition of cobalt
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Dore slag treatment
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Method and apparatus for reducing excess air inleakage into an open ring-type carbon baking furnace
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Method of controlling the potential of electrically- floating components of electrolyser cells
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Heat transfer device having an augmented wall surface
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Hood assembly for a metallurgical converter
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Heat transfer device having an augmented wall surface
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Process for minimizing foam formation during free falling of molten metal into moulds, launders or other containers
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Hydrometallurgical treatment of copper-bearing hematite residue
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Process for the oxidation of ferrous ions to the ferric state in sulfate leach solutions
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Liquid density meter
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Hydrogen injection into gas pipelines and other pressurized gas containers
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