Optimization of reactor volumes for gold cyanidation,
01-06-2005· In order to accelerate the gold recovery, in most of the high-grade ore plants, the cyanidation process occurs continuously in a cascade of large agitated tanks. The reactor volume optimization is a relevant problem that has been studied for many chemical systems; however, hydrometallurgical reactors have received much less attention.
Optimization of reactor volumes for gold cyanidation,
In order to accelerate the gold recovery, in most of the high-grade ore plants, the cyanidation process occurs continuously in a cascade of large agitated tanks. The reactor volume optimization is a relevant problem that has been studied for many chemical systems; however, hydrometallurgical reactors have received much less attention.
Optimization of reactor volumes for gold cyanidation,
The focus is put on the selection of the volumes of the tanks in the cascade of leaching reactors. The methodology involves the use of gold dissolution and cyanide consumption kinetic models...
optimization of reactor volumes for gold cyanidation
Optimization of reactor volumes for gold cyanidation The use of a cascade of small reactors reduces the gold losses due to a more effective gold dissolution but the cyanide consumption increases with the number of reactors in the cascade The values of the cyanide cost lie between 02 and 4% of the value of the lost gold Get Price
Optimization of reactor volumes for gold cyanidation
Optimization of reactor volumes for gold cyanidation L.R.P. de Andrade Lima *, D. Hodouin Department of Mining, Metallurgy and Materials Engineering, Laval University, Quebec City, Canada G1K 7P4 Received 10 November 2004; accepted 9 December 2004 Abstract
Optimization of reactor volumes for gold cyanidation,
The mineral industry has been using cyanidation of aerated slurries to recover gold from ores for more than a century. However, the leaching plant is usually designed as a series of agitated tanks of the same size, without any attempt to find an optimal plant design for improving the circuit efficiency, either by decreasing the cyanide consumption, or increasing the gold recovery, or,
optimization of reactor volumes for gold cyanidation
gold cyanidation youtube - e-jantex. Request PDF on ResearchGate | Some remarks on the reactor network synthesis for gold cyanidation | Gold cyanidation in most of the plants occurs in a cascade of large tanks because this configuration offers the longest residence time and consequently the highest gold recovery.
Gold Leaching Reactor Tank Design
Optimization Of Reactor Volumes For Gold Cyanidation. The mineral industry has been using cyanidation of aerated slurries to recover gold from ores for more than a century. However, the leaching plant is usually designed as a series of agitated tanks of the same size,,
An Investigation on Reusing Process Water in Gold Cyanidation
Optimization of reactor volumes for gold cyanidation. Article. Jun 2005;, Gold cyanidation in most of the plants occurs in a cascade of large tanks because this
An Investigation on Reusing Process Water in Gold Cyanidation
24-08-2007· Lima LRP de Andrade, Hodouin D (2005) Optimization of reactor volumes for gold cyanidation. Miner Eng 18:671–679. Article Google Scholar Lima LRP de Andrade, Hodouin D (2006) Analysis of the gold recovery profile through a cyanidation plant. Int J Min Process 80:15–26. Article Google Scholar
Optimization of reactor volumes for gold cyanidation
The mineral industry has been using cyanidation of aerated slurries to recover gold from ores for more than a century. However, the leaching plant is usually designed as a series of agitated tanks of the same size, without any attempt to find an optimal plant design for improving the circuit efficiency, either by decreasing the cyanide consumption, or increasing the gold recovery, or,
Optimization of reactor volumes for gold cyanidation,
Article “Optimization of reactor volumes for gold cyanidation” Detailed information of the J-GLOBAL is a service based on the concept of Linking, Expanding, and Sparking, linking science and technology information which hitherto stood alone to support the generation of ideas. By linking the information entered, we provide opportunities to make unexpected discoveries and
I REAL-TIME OPTIMIZATION APPLIED TO GOLD CYANIDATION
behavior. A dynamic model of gold ore cyanidation in agitated tanks is derived using the liquid, solid and chemical species material balance equations for a continuous three-phase agitated reactor, assumed perfectly mixed and with constant pulp volume, as
objectives for gold cyanidation process - fpengineering
Optimization of reactor volumes for gold cyanidation, The objective of the study is to test,, When gold cyanidation is performed in the simultaneous presence of, Inquire Now; Implementation Guidance International Cyanide . In this section: Production Transportation Handling Operations Decommissioning Worker Safety Emergency Training,
Gold Leaching Reactor Tank Design
Optimization Of Reactor Volumes For Gold Cyanidation. The mineral industry has been using cyanidation of aerated slurries to recover gold from ores for more than a century. However, the leaching plant is usually designed as a series of agitated tanks of the same size,,
gold cyanide leaching reactor equipment
Optimization of reactor volumes for gold cyanidation . Extracting gold from ores in alkaline cyanide pulp has been the most common method in the vast majority of hydrometallurgical plants. The gold leaching process is the, Inquire Now;
Intensive Cyanidation Leach Optimisation - Hydrometallurgy,
Intensive Cyanidation Leach Optimisation (32 replies), I am struggling to understand what is happening in my gold intensive cyanidation reactor. I am leaching for 14 hours and taking a profile by sampling every four hours., Comparing wash and preg solution grades and volumes will identify if this is happening.
MODELING OF GOLD CYANIDATION
The chemistry of gold dissolution in alkaline cyanide solution has continually received attention and new rate equations expressing the gold leaching are still developed. The effect of leaching parameters on gold cyanidation is studied in this work in order to optimize the leaching process. A gold leaching model, based on
Some remarks on the reactor network synthesis for gold,
Gold cyanidation in most of the plants occurs in a cascade of large tanks because this configuration offers the longest residence time and consequently the highest gold recovery. However, the long contact between the ore and the leaching solution can increases the reactants consumption by side reactions, and in some cases this conventional reactor configuration will
An Investigation on Reusing Process Water in Gold Cyanidation
Optimization of reactor volumes for gold cyanidation. Article. Jun 2005;, Gold cyanidation in most of the plants occurs in a cascade of large tanks because this
I REAL-TIME OPTIMIZATION APPLIED TO GOLD CYANIDATION
behavior. A dynamic model of gold ore cyanidation in agitated tanks is derived using the liquid, solid and chemical species material balance equations for a continuous three-phase agitated reactor, assumed perfectly mixed and with constant pulp volume, as
Optimization of reactor volumes for gold cyanidation,
Article “Optimization of reactor volumes for gold cyanidation” Detailed information of the J-GLOBAL is a service based on the concept of Linking, Expanding, and Sparking, linking science and technology information which hitherto stood alone to support the generation of ideas. By linking the information entered, we provide opportunities to make unexpected discoveries and
THE OPTIMIZATION OF CYANIDATION FOR HAMZE-QARNEIN GOLD
In this research, optimization of effective parameters for increasing gold recovery in Cyanidation process was carried out on Hamzeh-Qarnein gold ore containing 0.8 ppm gold. Accordingly, the effect of parameters such as particle size (d 80), pH,
Intensive Cyanidation Leach Optimisation - Hydrometallurgy,
Intensive Cyanidation Leach Optimisation (32 replies), I am struggling to understand what is happening in my gold intensive cyanidation reactor. I am leaching for 14 hours and taking a profile by sampling every four hours., Comparing wash and preg solution grades and volumes will identify if this is happening.
Optimizing and evaluating the operational factors,
08-12-2015· The cyanidation process is affected by a number of influential parameters, such as the availability of oxygen at the solid–liquid interface, the pH and Eh of the solid–solvent suspension, the presence of ions other than CN − in solution, the cyanide concentration, the particle size of the mineral, the temperature, the surface area of gold exposed, the purity of
MODELING OF GOLD CYANIDATION
The chemistry of gold dissolution in alkaline cyanide solution has continually received attention and new rate equations expressing the gold leaching are still developed. The effect of leaching parameters on gold cyanidation is studied in this work in order to optimize the leaching process. A gold leaching model, based on
factors affecting gold cyanidation process
Improving the process performance of gold cyanide leaching reactors 3 literature (Equation [1]) shows that k L a is a function of mixing power inten Intensive Cyanidation - Resources Gold Technology Intensive cyanidation requires optimal volume for correct residence time.
GOLD RECOVERY OF REFRACTORY SULFIDE CONCENTRATES
reagent on cyanidation of refractory gold ore. Cyanide leaching of the concentrate was performed at 20%-w/w of solid (500 gram of refractory sulfide gold ore concentrate) in a 2.5-liter glass reactor with aeration and stirred at 250 rpm. Leach solutions were prepared using deionized-distilled water at the prescribed concentration of reagents.
Recovery Refractory Resources - SGS
recovery by direct cyanidation and carbon adsorption processes. More specifically, it is an ore that has a gold recovery rate of less than 80% when direct cyanidation is applied to it. Dr Chris Fleming, senior metallurgical consultant at SGS Minerals, says: “In the past two to three decades, gold recovery from refractory ores has received an
Enhanced leachability of gold and silver in cyanide media,
During cyanidation, the reactor temperature was con-trolled at 40 C. Agitation started immediately after an appropriate volume of 1 M NaCN was added to the reac-tor under well-aerated conditions (1.1 bar). At predeter-mined intervals, 20 ml samples were withdrawn from the leach pulp and the slurry samples were filtered by using
