carbon in pulp gold process

carbon in pulp gold process

  • Gold CIP process (carbon in pulp) is one of the gold

    Gold CIP process eliminates the slurry washing and solidliquid separation operations, directly uses granular activated carbon to absorb gold from pulp, and optimizes the traditional cyanidation gold extraction process, which simplifies the industrial production process, improves the leaching efficiency and reduces the production cost1 Introduction The carbon in pulp process for gold recovery involves treatment with cyanide under aerobic conditions at high pH, to give the Au(CN) 2 − ion, which is then recovered by adsorption on carbon, followed by elution of the Au(CN) 2 − in caustic solution and electrowinning of the gold In this study, the stability of models of the carbon–gold complexes are studied by HartreeA theoretical study of the carbon in pulp process for gold

  • Carbon in Pulp

    Gold Carboninpulp (CIP) production is the sequential leach, then absorption of gold from ore During the CIP stage, pulp flows through several agitated tanks where sodium cyanide and oxygen have been added to dissolve gold into solution CIP process is suitable for the treatment of oxidized gold ore with low sulfur content and mud contentThe report critically evaluates CarboninLeach versus CIP processes, agitation and screening systems, performance criteria for activated carbons, elution techniques, and alternative approaches to recovering gold and regenerating carbon Fouling of carbon is recognized as one of the main problems of the processCarbon inpulp gold processing technology Minerals

  • MODELING OF THE CARBON IN PULP (CIP) PROCESS IN

    by activated coconut carbon is a well proven process widely used to recover gold from slurry at cyanide leaching plants In this research, modelling of adsorption of dissolved gold performed by using real CIP (carbon in pulp) plant data For this aim, five kinetic models and the gold mass balance calculations were used togetherThe pumpcell circuits were operated by moving all the carbon in a contactor every 2 days, with carbon concentrations of 25–50 g/L Typical upgrade ratios (ratio of gold on loaded carbon to gold in feed at operating equilibrium) was found to be 800–1000 for the cascade CIP circuit and 1800–2000 for the pumpcell circuits Soluble lossesCarboninPulp ScienceDirect

  • Developments in the application of carboninpulp to the

    carbon for the recovery of gold was the process patented in 1939 by Chapman8, who added fine carbon to a *National Institute for Metallurgy, Randburg, Transvaal cyanided pulp to adsorb gold, and then recovered the loaded carbon by floating it with dieselene and a frother The flotation concentrate was smelted so that the gold could be recoveredGold absorbs onto the activated carbon, which flows countercurrent to the pulp, while screens separate the barren pulp from the goldloaded carbon CarboninGold CIL & CIP Gold Leaching Process Explained CCD

  • THE CHEMISTRY OF THE CARBONINPULP PROCESS

    Carbon An Historical Perspective 1 12 The Carboninpulp Process Process Chemistry and Unknown Areas 3 a; Leaching of Gold from the Ore 3 b) Adsorption of Aurocyanide onto Activated Carbon l c) Carbon Acid Washing and Elution 7 d) Gold Electrot'inning or Precipitation 8 e) Carbon Reactivation 8 f) Other Features of the CIP Process 9activated carbon has been the dominant process for gold extraction after leaching by cyanide in aerated alkaline slurries The continuous processes of gold recovery by adsorption on activated carbon in agitated tanks, namely the carboninpulp (CIP) and the carboninleach (CIL) processes, have been widely used since the 1970s Due to the economicDYNAMIC SIMULATION OF THE CARBONIN PULP AND

  • A theoretical study of the carbon in pulp process for gold

    1 Introduction The carbon in pulp process for gold recovery involves treatment with cyanide under aerobic conditions at high pH, to give the Au(CN) 2 − ion, which is then recovered by adsorption on carbon, followed by elution of the Au(CN) 2 − in caustic solution and electrowinning of the gold In this study, the stability of models of the carbon–gold complexes are studied by HartreeThe report critically evaluates CarboninLeach versus CIP processes, agitation and screening systems, performance criteria for activated carbons, elution techniques, and alternative approaches to recovering gold and regenerating carbon Fouling of carbon is recognized as one of the main problems of the processCarbon inpulp gold processing technology Minerals

  • Carbon in Pulp | Gold CIP JXSC Machine

    CIP ( Carbon In Pulp) process is suitable for the treatment of oxidized gold ore with low sulfur content and mud contentIt is unsuitable for the gold ore with highgrade silver as well Generally, the proportion of gold and silver should not exceed 1:5CarboninPulp (CIP) and CarboninLeach (CIL) processes have surface areas of about 1000 m²/g ie one gram of activated carbon (the amount of which will occupy the same space as the end of a person's thumb) has the same surface area as two football fields The high surface area is contained in the millions of pores of varying sizes, these beingACTIVATED CARBON IN GOLD RECOVERY Kemix

  • Gold CIP Plant, Gold CIP Processing, carbon in Pulp, CIP

    [Process Description] Xinhai gold EPC project in Sudan mainly adopt the method of carbon absorption This method adsorbs gold from cyaniding pulp by active carbon including 7 steps: leaching pulp preparation, cyaniding leaching, carbon acidCarboninleach and carboninpulp are continuous processes that use activated carbon in a cascade of large agitated tanks, which have been widely used to recover or concentrate precious metals in gold extraction plants In the carboninpulp process adsorption occurs after the leaching cascade section of the plant, and in the carboninleach process leaching and adsorption occur simultaneously Dynamic simulation of the carboninpulp and

  • THE CHEMISTRY OF THE CARBONINPULP PROCESS

    Carbon An Historical Perspective 1 12 The Carboninpulp Process Process Chemistry and Unknown Areas 3 a; Leaching of Gold from the Ore 3 b) Adsorption of Aurocyanide onto Activated Carbon l c) Carbon Acid Washing and Elution 7 d) Gold Electrot'inning or Precipitation 8 e) Carbon Reactivation 8 f) Other Features of the CIP Process 9Carbon in Pulp Plant Sslurry at a rate of approximately 3785 cu m per minute (1,000 GPM) is placed in contact with activated carbon A simplified flowsheet of the CIP Plant is shown in Figure 2 For years it has been known of the affinity ofCarbon in Pulp Plant Metallurgist & Mineral Processing

  • The Merrill Crowe Process vs Carbon in PulpProcess

    The classic method of recovery of gold and silver from cyanide solution was Merrill Crowe until the introduction of Carbon In Pulp (CIP) in the 1970’s The CIP process indicated savings in CAPEX This meant that lower grade ores could be economically treated than otherwise would have been the case Soluble losses from CIP plants are lower than Merrill Crowe and the process is less vulnerableSchematic diagram of a carboninpulp or carboninleach plant with three tanks, showing the interstate screens (IS), the screen at the exit of the first tank (S), and the carbon transfer pumps (P)Schematic diagram of a carboninpulp or carboninleach

  • A theoretical study of the carbon in pulp process for gold

    1 Introduction The carbon in pulp process for gold recovery involves treatment with cyanide under aerobic conditions at high pH, to give the Au(CN) 2 − ion, which is then recovered by adsorption on carbon, followed by elution of the Au(CN) 2 − in caustic solution and electrowinning of the gold In this study, the stability of models of the carbon–gold complexes are studied by Hartreeby activated coconut carbon is a well proven process widely used to recover gold from slurry at cyanide leaching plants In this research, modelling of adsorption of dissolved gold performed by using real CIP (carbon in pulp) plant data For this aim, five kinetic models and the gold mass balance calculations were used togetherMODELING OF THE CARBON IN PULP (CIP) PROCESS IN

  • Carbon inpulp gold processing technology Minerals

    The report critically evaluates CarboninLeach versus CIP processes, agitation and screening systems, performance criteria for activated carbons, elution techniques, and alternative approaches to recovering gold and regenerating carbon Fouling of carbon is recognized as one of the main problems of the processA process for adsorbing gold from a leach pulp by means of activated carbon is described in which the leach pulp (the leach solution together with the subdivided gold bearing ore) is diluted to a specific gravity of less than that of the activated carbon and is subsequently passed upwardly through a multistage liquid/solid contacting columnUSA Recovery of gold by a carboninpulp

  • ACTIVATED CARBON IN GOLD RECOVERY Kemix

    CarboninPulp (CIP) and CarboninLeach (CIL) processes have surface areas of about 1000 m²/g ie one gram of activated carbon (the amount of which will occupy the same space as the end of a person's thumb) has the same surface area as two football fields The high surface area is contained in the millions of pores of varying sizes, these beingCarboninPulp process has been successfully applied in the recovery of gold from cyanide pulps In this process, gold adsorption is carried out by direct contacting of the activated carbon with the leach pulp or slurry of finely ground gold ore The gold bearing carbon is much larger than the processed ore from which it can be simply separatedDevelopment and Application of CarrierinPulp Method

  • Gold CIP Plant, Gold CIP Processing, carbon in Pulp, CIP

    [Process Description] Xinhai gold EPC project in Sudan mainly adopt the method of carbon absorption This method adsorbs gold from cyaniding pulp by active carbon including 7 steps: leaching pulp preparation, cyaniding leaching, carbon acidCarbon An Historical Perspective 1 12 The Carboninpulp Process Process Chemistry and Unknown Areas 3 a; Leaching of Gold from the Ore 3 b) Adsorption of Aurocyanide onto Activated Carbon l c) Carbon Acid Washing and Elution 7 d) Gold Electrot'inning or Precipitation 8 e) Carbon Reactivation 8 f) Other Features of the CIP Process 9THE CHEMISTRY OF THE CARBONINPULP PROCESS

  • CarbonInLeach Jacobi Group

    CarbonInLeach The carboninleach process integrates leaching and carboninpulp into a single unit process operation in which the leach tanks are fitted with carbon retention screens and the carboninpulp tanks are eliminated The activated carbon is added in leach, with gold adsorption occurring nearly simultaneously with gold dissolutionSchematic diagram of a carboninpulp or carboninleach plant with three tanks, showing the interstate screens (IS), the screen at the exit of the first tank (S), and the carbon transfer pumps (P)Schematic diagram of a carboninpulp or carboninleach

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