potassium nitrate used in gold processing

  • Chile's Mining and Chemicals Industries - AIChE

    Chile's northern regions, silver in Chañarcillo, and saltpeter. (nitrates) in the ... copper, gold, silver, and iron deposits, as well as salt lake mineral byproducts such as ... due to its demand for military and agricultural uses (5). When new ways to...

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  • Refining Electronic Scrap---- Can't get nitric acid any more - Finishing

    I used nitric and distilled water to get rid of most base metals and then refined ... A. I cut up clean gold plated scrap, put 1 lb potassium nitrate stump remover (or...

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  • Extraction of Gold - atomistry.com

    The process is applicable directly to gold- bearing sand, and to gold-bearing rocks ... It is effected by lixiviation with a solution of potassium cyanide, the gold being .... Iridium was formerly slagged off by fusion with potassium nitrate, but all the...

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  • Puritech - Potassium Nitrate

    The CCIX process for potassium nitrate production comprises four zones: an ... Adsorption and Elution Wash zones- The amount of water used requires...

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  • niter-prills-potassium-nitrate-gold-recovery-flux-smelting-refining ...

    This is for 2-Tablespoons of NITER Prills-Potassium Nitrate. Niter is used for many things including Gold Recovery from Black sands, Gold & Silver Recovery...

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  • Sodium nitrate - Wikipedia

    Sodium nitrate is the chemical compound with the formula NaNO3. This alkali metal nitrate salt ... The former Chilean saltpeter mining communities of Humberstone and Santa Laura were declared Unesco World Heritage sites in 2005. ... Sodium nitrate is used together with potassium nitrate and calcium nitrate for heat...

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  • Potassium nitrate - Wikiquote

    Major uses of potassium nitrate are in fertilizers, tree stump removal, rocket ... of many ores, the separation of silver from gold by means of nitric and sulphuric acid, the ... Sulphuric acid was... necessary for the first stage of the Leblanc process.

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  • Direct smelting of gold concentrates, a safer alternative to mercury ...

    Mercury is used in small-scale mining to amalgamate gold particles, .... potassium nitrate during smelting may lead to oxidation, it was realised in the study that...

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  • Historic Gold Ore processing methods - Nevada Outback Gems

    Methods of processing gold ore using historic proceedures. ... Nitre (potassium-nitrate) is used to oxidize the base metals that they may pass into the slag, but it...

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  • Guidelines on flux calculation gold smelting - Laboratory Testing ...

    I am currently using Borax, Silica flour, Soda ash and Potassium nitrate, the sludge contains also ... I would like to know more about flux calculation for gold smeltin. ... Laboratory Testing & General Mineral Processing Engineering ... that some of the flour must have been used up in reducing, not the litharge, but the sample.

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