copper flotation dosages

An Evaluation of Sodium Ethyl Xanthate for the Froth ...
flotation stage. The total dosage of 150 to 220 g/t of sodium isopropyl xanthate used for the Konkola copper ore is lower than the most potent 300 g/t dosage of SETX for the carbonatitic Palabora copper ore. These results indicate the need to conduct further .
COPPER ORE National Metallurgical Laboratory
dosages ( kg/t and kg/t) resulted in a decline in flotation recovery of copper values as well as flotation kinetics. Use of gangue depressant/dispersant Quartz and silicates were the major gangue forming minerals with the sample . Sodium silicate is widely used as depressant/dispersant for siliceous gangues.
Multidimensional Analysis of Copper Ore Flotation in Terms ...
The averaged values of selected flotation tests for the sandstone copper ore are presented in Table 1. where: – a copper content in the feed [%], i i in 1 i i n i 1 i in 1 i i n 1 i 1 i,, n i i i, i 1 n i i i, i 1 i mi n i 1 mi i – content of copper in a product, mi – an mass of a product.
copper ore flotation
In this study, the flotation of oxidized copper ore obtained from Ergani Copper Mining Company in Turkey was performed. This ore contains % copper, % cobalt and % sulfur. An effective processing method has not been found to recover copper and cobalt from this ore, which has been stockpiled for 40 45 years in the idled plant.
pyrite depression in the copper flotation
Flotation tests and Cryo XPS analyses in this study indicate that pyrite may be depressed in copper flotation with the addition of lime despite copper activation occurring on pyrite surface. The hydrophilic calcium and iron oxidation species may form on pyrite surface and .
Copper recovery improvement in an industrial flotation ...
In the second stage, influence of particle size distribution in different levels, the collector (Z11 + R407), and sulfidisation agent (NaHS) dosages were investigated on the floatability of mixed copper ore, and possible improvement of copper recovery ores was evaluated by a series of batch flotation .
China Copper Ore Flotation Plant Manufacturers and ...
ore flotation onsite plant:Tanzania flotation recovery rate is 8085% outputting grade is not lower than 30% grade, and we can make it .
copper sulphide flotation optimization tests
copper sulphide ore reagents for copper flotation. The standard flow sheet consists of bulk sulphide flotation of copper and is by standard flotation reagents identified in the copper ore flotation description, Optimization of reagent dosages for copper flotation using statistical, An improved flotation test method and pyrite depression by an
Characterization and Flotation of Sulfur from Chalcopyrite ...
Additions of three arious dosages of sodium silicate to the sulfur flotation werev tested. Pine oil of 20 g/t and kerosene of 20 g/t were also added in each test. Pulp pH was maintained at about 6. The flotation results are shown in Table II. Table II. The effect of sodium silicate on sulfur flotation. Test No. Sodium silicate, g/t Grade, %
Evaluation of sodium isobutyl xanthate as a collector in ...
Oct 25, 2014· The dosage of a collector is an important factor that determines the efficiency of a froth flotation process. The representative sample of the carbonatitic Palabora copper ore ground 45 % passing 75 µm was frothfloated with sodium isobutyl xanthate (SIBX) collector at 60, 70, 80, 90 and 100 g/t dosages.
PROCESS OPTIMISATION OF MIXED COPPER ORES .
From case studies done at Kansanshi Copper Mines, it became evident that: • the effect of changing the dosage of a reagent can immediately be identified through the availability of an inline measurement of minerals, Fe and S • The relationship between the TCu and the ASCu in the flotation feed is changing and can only be proactively
FLOTATION OF COPPER MINERALS FROM NORTH M. .
flotation response, using different dosages and. type of collector. Five tests were conducted each to investigate the effect of varying pH and depressent dosage on the grade and recovery of copper. The effects of sulfidizer was investigated by using dosage in the range of 10 60 gms/ton. Three tests were conducted to investigate the
DEZINCING OF LEADCOPPER SULPHIDE MINERALS .
the plant practice operation due to part of sphalerite was progressively entrapped into leadcopper bulk flotation. A series of dezincing on leadcopper flotation tests has been conducted in the laboratory to reduce unwanted zinc content. Dosages variation of common sphalerite depressant such as sodium cyanide,
flotation reagents copper slag
Flotation of copper sulphide from copper smelter slag . Present work focuses on the differences in the performances obtained in the froth flotation of copper smelter slag with multiple collector viz. sodium isopropyl xanthate (SIPX), sodium diethyl dithiophosphate (DTP) and alkyl hydroxamate at various dosages. >>Get Price; flotation reagents ...
graphite mine collector dosage flotation
graphite mine collector dosage flotation – Grinding Mill China ... mill and a graphite rougher concentrate was ... Thirdly a proven intelligent dose control ... Effect of collector dosage on recovery Flotation ... Reagents Used For Froth Flotation In A Cement Industry . MORE INFO > Live Chat
A Copper Oxide Ore Treatment by Flotation
And the copper oxidation ratio of the ore is %, According several flotation tests, finally found that the optimum reagents dosage are: butyl xanthate 90g/t as collector, pine oil 35g/t as ing, sodium sulphide1000g/t, lime3000g/t, and the flowsheet is one stage of roughing, three stage of cleaning and two stage of scavenging operationg in the close circuit under the grinding fineness is 85% .
Noteworthy: Realtime Copper Sulphide Species Differentiation
Copper Flotation Optimisation by Copper Sulphide Species Differentiation Online and in Realtime Blue Cube Systems is currently testing its MQi Slurry analyser in a world first application, of measuring 5 various copper mineral species in the feed stream to the rougher flotation of a copper .
Activation of Sphalerite by Ammoniacal Copper Solution in ...
Different dosages of SIBX were used during the flotation experiments. The optimal activator dosages ( × 10 −5 mol/L copper sulphate and × 10 −5 mol/L ACS) were used to activate sphalerite. The effect of SIBX dosage on Zn recovery during flotation is shown in Figure 4.
Flotation of gold and goldbearing ores PDF Free Download
Copper–gold ores are significant contributors to the overall world gold production. Flotation is the principal process for preconcentration of the copper–gold minerals for subsequent smelting treatment. Gold recovery, although important, is not always considered when optimizing the copper circuit.