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Leaching Gold With Chlorine

Chlorine Leaching Dissolving Gold How to Use Bleach on Gold Ore to Remove Gold Sciencing Apr 24 2017183 Gold is an almost nonreactive metal but halogens chlorine bromine fluorine and iodine can dissolve it Chlorine is the cheapest and lightest product that can achieve this Bleach is the stone compound sodium hypochlorite

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  • Halide Leaching Recreational Gold Prospecting

    Halide Leaching Recreational Gold Prospecting

    Chlorine is the lightest cheapest and least reactive while iodine is heaviest most expensive and fastest reacting iodine is classified as a rare element there are no ores containing iodine it is obtained primarily from extracting seaweed hence the high cost chlorine was the first commercial gold extracting agent

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  • Chlorine Leach Recipe Problems Gold Refining

    Chlorine Leach Recipe Problems Gold Refining

    Dec 03 2009nbsp018332heres a chlorine leach for you cacl2 caoclh h2so4 this is from the textbook on the metallurgy of gold and was used in lead lined vats to generate chlorine and to leach ores also just a note most pool chlorine is not calcium hypochlorite

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  • Chlorine Gold Extraction

    Chlorine Gold Extraction

    Chlorine gold extraction etsiviaggiarecislit the newberyvautin chlorination process is a process to extract gold from its ore using chlorination developed by james cosmo newbery and claude vautin background the process of extracting gold from ores by absorption of the precious metal in move leaching of an oxide gold ore with chloride

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  • How To Leach Gold At Home

    How To Leach Gold At Home

    Heap leaching a stack of gold miningfeeds 2018425heap leaching can take anything from a couple of months to several yearsn the case of gold recovery heap leaching generally requires 60 to 90 days to leach the ore compared to the 24 hours required by a conventional agitated leach processold recovery is also usually only 70 compared with 90 recovery in an agitated leach plant

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  • Calcium Hypochlorite Gold Refining

    Calcium Hypochlorite Gold Refining

    Feb 26 2018nbsp018332the solution isnt really needed to dissolve the gold the chlorine gas will dissolve the gold without the need for the gold to be submerged in solution use a 4 or 6 inch piece of schedule 40 pvc pipe about three foot long fit the pipe with a cap on one end and a threaded cleanout on the other end break the material up in pieces to fill the

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  • Us8070851b2 Chloride Heap Leaching Google Patents

    Us8070851b2 Chloride Heap Leaching Google Patents

    A heap leaching method to recover copper from a primary copper sulphide mineral wherein the mineral is leached in an acidic chloridesulphate solution in the presence of oxygen with the surface potential of the mineral below 600 mv vs she to cause dissolution of the copper sulphide

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  • Gold Extraction Method Replaces Cyanide With Non

    Gold Extraction Method Replaces Cyanide With Non

    Chlorine and a catalytic amount of bromine combined as oxidizing agents deliver a particularly fast reaction with gold with only a small concentration of bromine required in the brine chlorination also emerged as an option based on the relatively low temperature of the reaction with a

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  • Alternative Lixiviants To Cyanide For Leaching Gold Ores

    Alternative Lixiviants To Cyanide For Leaching Gold Ores

    4 halide leaching chlorine bromine and iodine are wellknown lixiviants for leaching gold as recently reviewed by tran et al 2001 chlorination was applied extensively in the late 19th century before the introduction of the cyanidation process brominebromide for leaching gold from ores was reported as early as 1846

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  • Us Patent For Chloride Process For The Leaching Of Gold

    Us Patent For Chloride Process For The Leaching Of Gold

    Apr 08 2013nbsp018332halide leaching of gold using chlorine bromine and iodine of gold was discussed alternative process use 5m hydrochloric acid under oxidizing conditions with chlorine or a chloride electrolyte nacl and nabr with added chlorinebromine complex brcl 2 leaching in regenerated hydrochloric acid is also known although details are stated to

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  • The Recovery Of Gold From Refractory Ores By The Use Of

    The Recovery Of Gold From Refractory Ores By The Use Of

    Recently the us bureau of mines examined the recovery of gold by chlorination of refractory carbonaceous and sulfidic ores comparing various treatment methods in which a ground ore pulp is contacted with chlorine gas and activated carbon is added to the pulp for a carboninchlorine leach cicl the objective of this research was to demonstrate the basic feasibility of cicl technology

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  • The Igoli Mercuryfree Gold Extraction Process

    The Igoli Mercuryfree Gold Extraction Process

    Chlorine leaching has few advantages due to the higher dissolution rate of gold low price of leaching reagents and nonpolluting character putman 2004 radulescu and filip 2004 radulescu et

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  • Super Clorox Recreational Gold Prospecting

    Super Clorox Recreational Gold Prospecting

    You guys all know that i use chlorine bleach clorox or other for all sorts off magical transformations in the basement nothing magic about it it just happens to be a pretty good cheap and easily available oxidizing agent that usually gets the job done

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  • Nickel Matte Chloride Leaching Outotec

    Nickel Matte Chloride Leaching Outotec

    Leaching process is suitable for nickel rening and is a highly exible calcium chloride based processing route for nickel matte and other nickelcontaining raw materials it incorporates twostage leaching and iron precipitation stages that make the recovery of precious metals such as gold

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  • Special Directions For Working Part 4

    Special Directions For Working Part 4

    Leaching the gold ore 96 leaching the gold oreafter the ore is supposed to have remained long enough in contact with chlorine that is from 12 to 40 hours the plug hole in the cover is opened and tried with ammonia as before this must still produce a dense fume if not the chances are that a poor result will be obtained in leaching unless chlorination is repeated

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  • Leaching With Chlorine Treasurenet

    Leaching With Chlorine Treasurenet

    Jul 25 2010nbsp018332just to clarify aqua regia is a chlorine leach heres the simplified explanation the idea is to convert the metallic gold to a higher valance ii with chlorine and some form of oxidizer the oxidizer converts molecular chlorine to nascent chlorine which attacks the metallic gold and puts it into solution

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  • Water Chlorination Method For Gold Extractionhigh

    Water Chlorination Method For Gold Extractionhigh

    The total leaching rate of the two leaching golds is over 99 and the leaching slag contains less than 100gt of gold the secondary leaching slag is washed twice with a mass fraction of 2 hydrochloric acid one washing liquid is returned for secondary leaching and the second washing liquid is

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  • The Method Of Underground Leaching Of Gold From Ore

    The Method Of Underground Leaching Of Gold From Ore

    The method of underground leaching of gold from ore placer deposits using chlorine which includes the drilling of injection and odajnyk wells the supply of leach solution into the reservoir the pumping and processing of productive solution by known methods wherein the leaching of lead in two stages first by filing a chlorinated solution of

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  • Kinetics And Mechanisms Of Gold Dissolution By Ferric

    Kinetics And Mechanisms Of Gold Dissolution By Ferric

    Leaching compared with typical redox potentials of 778 mv vs ag agcl in chlorinebromine gas leaching abe and hosaka 2010 ferric and cupric chloride leaching can have advantage over cyanidation being capable for refractory gold mineral leaching without pretreatment like pressure oxidation or roasting angelidis et al 1993

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  • Chlorine For Leaching Gold Educationcarein

    Chlorine For Leaching Gold Educationcarein

    Chlorine leaching of goldbearing sulphide concentrate and its calcine chlorine leaching as a potential alternative to the conventional cyanidation for the extraction of gold was tested on a sulphide concentrate and its calcine from more details 187 get price

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  • Chlorine Gold Extraction

    Chlorine Gold Extraction

    Chlorine leaching of goldbearing sulphide concentrate and the basic feasibility of using the resininleach ril technique in chlorine leaching of the goldbearing sulphide concentrate and its calcine is discussed the experimental results showed that under optimal leaching conditions the extraction of gold can be over 96

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  • Refine Gold Gypsy Tinker

    Refine Gold Gypsy Tinker

    So youve got a bunch of scrap that contains gold as well as a lot of other metals here is how to reclaim that gold and end up with 99 pure gold the process is to dissolve all of the base metals in acid and leave behind the gold then purify the gold even further dilute the solution and heat to drive off excess chlorine gas add some

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  • Leaching Gold Prospecting Nugget Shooter Forums

    Leaching Gold Prospecting Nugget Shooter Forums

    Nov 22 2010nbsp018332gold needs to be released from the sulfides prior to leaching as well a shaker table or a wave table will recover the majority of the gold without the use of leaching i would run some of the material through a table and then send in a good sample to be assayed and see if there is a worthwhile amount of gold that you are not

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  • Investigation Oftheleaching Of Theplatinum

    Investigation Oftheleaching Of Theplatinum

    50minutes the chlorine mass msfer coefficient isdependent onthetemperature the stirrer speed the concentration ofthehci solution and that ofthe chlorine the dissolution rates of pgms and gold were investigated in hydrochloric acid with chlorine atambient pressure under various conditions inabenchscale stirred reactor

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  • Minataur The Mintek Alternative Technology To Gold

    Minataur The Mintek Alternative Technology To Gold

    Precipitate that forms during gold leaching proceeds to a silver refining circuit for the production of 9999 per cent silver a block diagram of the process is shown in figure 1 leaching feed material of an appropriate gold content and particle size is oxidatively leached in hcl media under a chlorine

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  • Application Of Alternative Lixiviants For Secondary Heap

    Application Of Alternative Lixiviants For Secondary Heap

    Some preliminary results on the secondary leaching of previously heap leached gold ore are presented alternative lixiviants for gold comprising chlorine thiourea and thiosulphate were compared with cyanide using bottle roll tests chlorine was subsequently selected for column leaching tests column tests at 10 01 and 001 gl1 cl2 at ph 2 were conducted

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  • Leaching Silver Ore Processing Kit Mobile Crushers All

    Leaching Silver Ore Processing Kit Mobile Crushers All

    Dec 10 2014nbsp018332download 75 gold recovery methods chemical methods of recovering gold mercury amalgamation of gold cyanide leaching dissolving gold chlorine process plants and separation systems image gallery

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  • The Leaching Of Gold Using Nitrogen And Sulfur

    The Leaching Of Gold Using Nitrogen And Sulfur

    The leaching of gold using less corrosive fluids without significant losses in the dissolution rate of the metal 19 cp fcrystals 6 tables 4 il the invention relates to the field of dissolution of metallic gold leaching solution especially for the hydrometallurgical recovery of gold from ore

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  • Common Types Of Noncyanide Gold Recovery Chemicals

    Common Types Of Noncyanide Gold Recovery Chemicals

    The characteristics of using thiosulfate as a gold recovery chemicals are 1 nontoxic 2 fast leaching speed generally only takes 3 hours to achieve the best economic effect 3 can process refractory gold ores containing copper arsenic antimony selenium etc 4 the price of this noncyanide gold recovery chemical is low and it has

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