Well sulfides selenides and tellurides are simply minerals which contain sulfur selenium and tellurium combined with some metal Unusually this is the metal we are interested in but sometimes other valuable metals can be mixed in as trace elements An example of this is when gold occurs disbursed through a crystal of pyrite558 CURRENT TOPICS New Sources of Wood Oil U S Cons Report Ch of ffomm f Feb I913 Wood oil is produced from the nuts of the
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roasting of sulfide minerals In addition to common metals like copper lead zinc and nickel a number of other metals such as antimony bismuth cadmium cobalt mercury and molybdenumThe froth is skimmed off the surface and the enriched ore mainly the copper mineral is taken away for roasting The mixture of water ing agent and paraffin is recycled The mixture of water ing agent and paraffin is recycled
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sulfur determination using gravimetric method oxidation oxidation roasting of copper sulphide ore romelyn b maandi mete $ p rometallurgical engineering laborator 12 18 32 This was an experiment I just had to show everyone I wanted to see how much gold would be released after roasting some sulfide concentrates off one of our shaker tabl
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LEACHING OF A ROASTED COPPER SULFIDE ORE Rosselle Kim P Castillano Wilfredo T Gatdula Gatdula Jr Gin Derick L Magno Jhunalyn Jhunalyn H Prior art keywords vessel gas oxygen sulfur line Prior art date 06 12 Legal status The legal status is an assumption and is not a legal conclusion
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Roasting sulphide ores American Smelting Refining This invention relates to an improved process and apparatus for roasting finely divided sulphide ores such as flotation concentrates and the like It The froth containing the concentrated zinc sulphide ores settles on the surface leaving behind the impurities in water Process Of Roasting The next step is the process of roasting the ores of zinc
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558 CURRENT TOPICS New Sources of Wood Oil U S Cons Report Ch of ffomm f Feb I913 Wood oil is produced from the nuts of theY M Zhao et al 10 process becomes the most viable and promising approach to treat copper sulfide ore in metallurgy fields In h y drometallurgical process the most widely used pretreatment process is roasting before leaching
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05 27 32 I believe it has an application to recover gold from sulphide ores by eliminating the current roasting requirements to oxidize the ore Assuming we can apply the same amount of energy used in past testing it equates to 4 cents per tonsulfur determination using gravimetric method oxidation oxidation roasting of copper sulphide ore romelyn b maandi mete $ p rometallurgical engineering laborator
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Copper can be extracted from sulfide ores usually higher grade ores by direct smelting The earliest evidence of copper smelting occurs in Serbian artefacts dating from around BC Copper can be extracted from oxide ores using electrolysis electrowinning for low grade ores or by the carbon reduction method of smelting for higher grade orPyrometallurgical techniques use heat to separate copper from copper sulfide ore concentrat Process Process steps include mining concentration roasting smelting converting and finally fire
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Sulphide ores of copper are insoluble in dilute sulphuric acid leaching solutions but a very high extraction can be obtained if the copper ore is in the oxidized condition The problem is to convert the sulphide into the oxide form This can be doneRoasting Ferruginous Zinc Sulfide Or Mr J B Keating was developing an electrolytic zinc process for application to the ores of the Bully Hill mines of the General Electric Co
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Roasting or heating in air without fusion transforms sulfide ores into oxides the sulfur escaping as sulfur dioxide a gas Smelting qv is the process used in blast furnaces to reduce iron orgold ore roasting using lime diversdeneu Patent US Method for roasting sulphide ores The ore and a sulphur binding lime containing in which the ore is roasted with the ore suitable for gold leaching The roasting according to
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The froth containing the concentrated zinc sulphide ores settles on the surface leaving behind the impurities in water Process Of Roasting The next step is the process of roasting the ores of zincRoasting is carried out in sulphides ore in order to purify the metal by converting the sulphides to oxides because oxide is reduced easily to pure metal as compared to sulphid Some of examples of roasting reactions for zinc lead and Cooper ar
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applied to the ore after the reduction roast step Sulfidic Ore Processing Flash smelting is the most common process in modern technology but electric smelting is used for more complex raw materials when increased flexibility is needed Both processes use dried concentrat Electric smelting requires a roast ing step before smelting to reduce sulfur content and volatil Older nickel The concentrated ore received after crushing and floating is roasted in a furnace in the presence of a current of air Sulphur is oxidized to SO2 and impurities of arsenous and antimony are removed as volatile oxid The following reaction ta
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Copper processing the extraction of copper from its ores and the preparation of copper metal or chemical compounds for use in various products In its pure form or as an alloy copper Cu is one of the most important metals in societyY M Zhao et al 10 process becomes the most viable and promising approach to treat copper sulfide ore in metallurgy fields In h y drometallurgical process the most widely used pretreatment process is roasting before leaching
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Some prospectors are interested in the methods of processing sulfide ores to extract their valu The two of the best known processes are smelting and roastingThermodynamic analysis of a non polluting process for the effective treatment of lean multimetallic sulphide ores is presented The sulphide ore is roasted with sodium chloride in air
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