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JPS5444641B2 |
A process for refining molten non-ferrous matte by injecting an oxidizing gas into the matte through at least one multiple, concentric tube tuyere submerged beneath the surface of the matte. The tuyere is cooled by injecting liquid sulfu...
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JPS54158326A |
A method of smelting an oxide charge containing lead and copper in a blast furnace, wherein molten lead bullion flowing to the furnace bottom and containing at least 8% by weight of copper is diluted with metallic lead of lower copper co...
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JPS5442324B2 |
Layers of substantially solid fine-grained material formed on a molten-lead bath, e.g. in the refining of lead and consisting substantially of copper dross, are removed in accordance with the invention by pneumatic evacuation of the laye...
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JPS5438961B2 |
This invention is related to a method and a process for producing metals by reducing and smelting metal oxides in two steps, the first of said steps comprising prereduction of a metal oxide charge. The prereduced metal oxide is transferr...
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JPS5438042B2 |
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JPS54145321A |
A process for treating anode slimes containing silver in which the silver is converted to a form soluble in dilute nitric acid, and in which after dissolution in dilute nitric acid, the silver is electrowon from solution. The process can...
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JPS5435964B2 |
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JPS5435963B2 |
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JPS54110921A |
The method consists of subjecting said muds to a particle size grading to concentrate the lead and zinc contained notably in the fines, and recovering said fraction containing the lead and the zinc, the other fraction being recyclable to...
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JPS5423641B2 |
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JPS5493626A |
A process of regenerating and recovering lead from lead sulphate-containing wastes which comprises (i) contacting the lead battery scrap with an aqueous solution of ammonium carbonate to form lead carbonate and ammonium sulphate, (ii) su...
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JPS5471775A |
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JPS5469519A |
PURPOSE: To obtain metallic lead with high recovery efficiency in melt reduction refining of lead oxide, etc. in a coreless induction furnace by specifying the heating temp. for the melt reduction to a high temp. so as to separate metall...
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JPS5460219A |
This invention comprises a process for the direct production of copper metal from a cupriferous slurry comprising forming a molten bath of cupriferous material at a temperature of about 2100 DEG to 2400 DEG F., at least one of said bath ...
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JPS547731B2 |
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JPS547278B1 |
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JPS5428205A |
PURPOSE: The above-mentioned device with which the operation such as agitation of molten metal, charging of raw material, etc. is enabled to be carried out easily, by equipping an oxidation preventing plate for covering the surface of mo...
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JPS5421905A |
The invention relates to the re-extraction of a metal from an organic extraction solution in which the metal is present as a metal chloride complex bonded to an extractant. The organic extraction solution is contacted with an aqueous sol...
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JPS547209U |
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JPS54202B2 |
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JPS5348162B2 |
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JPS53131921A |
Zinc and, if desired, lead are volatilized from a metallurgical material such as a finely divided oxidic ore, ore concentrate or another metallurgical intermediate. The volatilization of the zinc is carried out at a temperature above 130...
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JPS5336416B2 |
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JPS53112223A |
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JPS5334231B2 |
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JPS53102826A |
The production of metallic lead from lead bearing sources such as lead sulfide concentrates may be improved by subjecting the lead sulfide concentrates to a prehalogenation activation treatment at a temperature in the range of from about...
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JPS5329121B2 |
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JPS5394908U |
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JPS5322925B2 |
In a pyrometallurgical process for the winning of lead by redn. of sintered ore obtd. from the sintering of substances including lead concentrate, the novelty is that prior to sintering, residues from zinc prodn. are mixed with the subst...
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JPS5322926B2 |
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JPS5376920A |
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JPS5371622A |
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JPS5319287B2 |
Producing a briquetted oxidic feed for a blast furnace by pelletizing very fine zinc oxide or zinc oxide and lead oxide powder into pellets having an average diameter of from 2 to 10 millimeters prior to briquetting the oxide pellets at ...
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JPS5364601A |
- A process for economically recovering metal values, especially precious metal values, from waste waters comprising a mixture of natural surface water, industrial waste water and organic waste, where the metal values appear in concentra...
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JPS5354122A |
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JPS5346406A |
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JPS5344401A |
A method for recovering metallic lead, lead compounds and plastic material from the inert material present in waste accumulator batteries, comprising the sequential operations of crushing waste accumulator batteries; adding the crushed m...
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JPS5325221A |
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JPS532304A |
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JPS5248563B2 |
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JPS52138402A |
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JPS5245665B2 |
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JPS5242126B2 |
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JPS5242127B2 |
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JPS5239375B2 |
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JPS5239362B2 |
1416761 Extraction of metal values from sulphidic materials INTERNATIONAL NICKEL CO OF CANADA Ltd 21 Feb 1973 [22 Feb 1972] 8448/73 Heading C1A Finely divided sulphidic mineral materials, e.g. ores and concentrates, containing one or mor...
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JPS52110201A |
PURPOSE: To recover Zn with high yield and high purity, by adsorbing the metals in the wast eater containing plural kinds of metals besides Zn with a chelating ion exchange resin, thereafter, passing a solution of Zn through the above re...
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JPS5235002B2 |
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JPS5296903A |
The invention provides a process for the selective dissolution of oxygenated compounds containing at least one non-ferrous metal selected from the group consisting of nickel, zinc, and copper, present in a mixture of oxygenated compounds...
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JPS5230932B2 |
1387269 Leaching Fe and Ni FALCONBRIDGE NICKEL MINES Ltd 8 Sept 1972 [9 Sept 1971] 42021/71 Heading C1A Tron and nickel are leached from particulate sulphidic material (e.g. matte) with hydrochloric acid such that the material, acid and ...
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