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gold leaching and carbon in pulp circuits

The process design of gold leaching and carbon-in-pulp

2009年8月27日  Introduction Assuming that a gold ore has been effectively ground to ensure maximum economic liberation of gold, the circuits that will have the most effect on

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Modeling and optimization of Carbon in leach (CIL) circuit for gold ...

2015年11月1日  CIL circuit is a process of continuous leaching of gold from ore to liquid and counter-current adsorption of gold from liquid to carbon particles in a series of tanks. The

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The process design of gold leaching and carbon

An account is given of the development of a relatively simple model that describes the kinetics of the absorption of gold cyanide on activated carbon and the results of various kinetic experiments under continuous or batch

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Carbon-in-pulp - ScienceDirect

2005年1月1日  This chapter focuses on the advances made in the design and operation of carbon-in-pulp (CIP) and carbon-in-leach (CIL) plants. Most of the advances over the last

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The process design of gold leaching and carbon-in-pulp circuits

1999年1月1日  gold recovery; gold leaching; carbon-in-leach; carbon-in-pulp (CIP) circuits; Computer-Aided Process Engineering (CAPE) CIP/CIL processes; CIP process design

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(PDF) A dynamic model of the gold leaching and

2005年11月7日  Carbon-in-pulp and carbon-in-leach are continuous processes that have been wide used in gold extraction plants. These processes occur in a cascade of larger agitated tanks, and the...

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Gold CIL CIP Gold Leaching Process Explained

2013年1月2日  CIL stands for carbon-in-leach. This is a gold extraction process called cyanidation where carbon is added to the leach tanks (or reaction vessel) so that leaching and adsorption take place in the same

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CIP AND CIL CIRCUIT MODELLING - SGS

The rate data and mass balance equations are then applied to the SGS model to calculate the concentrations of gold in solution, on the carbon and in the ore for each stage of a

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Modeling and optimization of Carbon in leach (CIL) circuit for gold ...

2015年11月1日  CIL circuit is a process of continuous leaching of gold from ore to liquid and counter-current adsorption of gold from liquid to carbon particles in a series of tanks. The CIL process concentrates gold from 2.5–3.5 g/t in ore to 2000 to 6000 g/t on carbon. Although the earliest process was in South Africa in 1890, CIP/CIL was first introduced ...

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The process design of gold leaching and carbon

Carbon-in-leach and carbon-in-pulp 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

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Factors influencing the rate of gold cyanide leaching and adsorption

2011年5月1日  The process design of gold leaching and carbon in pulp circuits. J. S. Afr. Inst. Min. Metall. (January/February) (1999), pp. 13-25. View in Scopus Google Scholar. Van Deventer, 1984. J.S.J. Van Deventer. Modeling of the adsorption of gold cyanide on activated carbon in a periodic counter-current cascade of continuous stirred tank reactors.

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Carbon-in-pulp - ScienceDirect

2005年1月1日  The pump-cell 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 800–1,000 for the cascade CIP circuit and 1,800–2,000 for the pump-cell circuits. Soluble ...

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(PDF) Factors influencing the rate of gold cyanide leaching

2011年5月1日  Pulp density affects viscosity considerably, which has an impact on gold leaching [7]. The optimal pulp density of Porgera Gold Mine's leaching circuit is 28 -29 % solids and must be maintained to ...

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The process design of gold leaching and carbon-in-pulp circuits

1. The modelling of adsorption and leaching. To date developments in the simulation of carbon-in-pulp (CIP) adsorption circuits have focused primarily on the modelling of adsorption. This series of three papers descriptionbes a development in a. The absorption of gold cyanide onto activated carbon.

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The process design of gold leaching and carbon-in-pulp circuits

Figure 5—Effect of number of adsorption stages on CIL plant economics - "The process design of gold leaching and carbon-in-pulp circuits" Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. 215,642,017 papers from all fields of science. ...

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DYNAMIC SIMULATION OF THE CARBON-IN- PULP AND

Abstract - Carbon-in-leach and carbon-in-pulp 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 carbon-in-pulp process adsorption occurs after the leaching cascade section of the plant, and in the carbon ...

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Figure 6 from The process design of gold leaching and carbon-in-pulp ...

Figure 6—Effect of leaching stages on CIL/CIP economic - "The process design of gold leaching and carbon-in-pulp circuits" Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. 213,982,775 papers from all fields of science. ...

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The process design of gold leaching and carbon

Carbon-in-leach and carbon-in-pulp 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

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The process design of gold leaching and carbon

Carbon-in-leach and carbon-in-pulp 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

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Factors influencing the rate of gold cyanide leaching and

2011年5月1日  The carbon in pulp (CIP) and carbon in leach (CIL) processes became firmly established in the gold mining industry in the 1980s, initially in South Africa and Australia, from where they spread rapidly to all the gold producing regions of the world. The percentage of annual global gold production by activated carbon-based processes grew

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Dynamic simulation of the carbon-in-pulp and carbon-in-leach processes ...

2007年12月1日  Carbon-in-leach and carbon-in-pulp 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 carbon-in-pulp process adsorption occurs after the leaching cascade section of the plant, and in the

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New ways to reduce carbon-related gold losses in CIL and

2017年8月1日  An exceptional problem exists in CIL/CIP circuits since the residence time in the leaching/adsorption tankage may be ∼20 h and the tails from any period are derived from material entering the ...

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The process design of gold leaching and carbon-in-pulp circuits

Carbon-in-leach and carbon-in-pulp 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

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The process design of gold leaching and carbon-in-pulp circuits

An account is given of the development of a relatively simple model that describes the kinetics of the absorption of gold cyanide on activated carbon and the results of various kinetic experiments under continuous or batch conditions in the laboratory and on operating pilot and full-scale plants.

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Modeling and optimization of Carbon in leach (CIL) circuit for gold ...

2015年11月1日  Adsorption of Mercury from a Cyanide Leaching Solution Using Various Activation Rates of Granular Activated Carbon: A Laboratory- and Industrial-Scale Study. The use of granular activated carbon (GAC) is a typical and sustainable technique for recovering precious metals from a cyanide leaching solution (CLS).

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The process design of gold leaching and carbon-in-pulp circuits

1999年1月1日  The process design of gold leaching and carbon-in-pulp circuits . W. Stange; W. Stange. for more papers by this author . Affiliations. 1 Hatch Africa (Pty) Ltd, Johannesburg. ... carbon-in-leach; carbon-in-pulp (CIP) circuits; Computer-Aided Process Engineering (CAPE) CIP/CIL processes;

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Optimizing and evaluating the operational factors affecting

1999 The process design of gold leaching and carbon-in-pulp circuits. J. S. Afr. Inst. Min. Metall. 99, 13–25. Google Scholar. 17. Ellis S, Senanayake G. 2004 The effects of dissolved oxygen and cyanide dosage on gold extraction from a

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