Although basic porphyry copper flotation and metallurgy has remained virtually the same for many years, the processing equipment as well as design of the ... Automatic controls are usually provided throughout modern …
flotation rate, particle size recovery, air flow, pulp density, etc.) As a result, it is difficult to study the effects of any single factor in isolation, and compensation effects within the system can ... Grade/recovery performance of a hypothetical copper ore flotation process. Product % Weight % Cu Assay Feed 100 2.09 Concentrate 10 20.0
The effects of flotation parameters including pulp density, collector dosage, frother dosage, and dispersant dosage were statistically examined to obtain an effective approach for...
Example 4 From cumulative shift balances, the total monthly feed to a copper flotation plant was 28,760 dry tonnes at a grade of 1.1% copper. ... Example 7 A laboratory hydrocyclone is fed with a slurry of quartz (density 2650kg/m 3) at a pulp density of l l30kg/m 3.
In a copper flotation, Li et al. observed that froth height above the lip increased as froth viscosity increased, resulting in a prolonged froth residence time that determines froth drainage and froth recovery. Air recovery was also …
What should be pulp density in flotation of copper. What is the capacity per hour of complete crushing plants Shibang China on LinkedIn
The pulp density is related to the ore properties and flotation conditions. (1) The thicker pulp is used for minerals with high flotation density, while the thinner pulp is used for minerals with low flotation density. (2) The thicker pulp is used for flotation of coarse-grained materials, while the thinner pulp is used to float fine-grained ...
The effect of pulp density on copper and iron HPL from the concentrate of flotation tailings was investigated under the following conditions: H 2 SO 4 concentration of 0 M and a total pressure of 2.0 MPa at a temperature of 180 °C for 60 min, while varying the pulp density in a range of 100–400 g/L.
pulp density (7.5% and 20% by weight) on flotation selectivity of a mixture of sphalerite and pyrite was investigated by Uçurum and Bayat [4]. Higher pulp density of flotation suspension caused more effective separation of these sulfides. Uçurum [5] studied the flotation kinetics of carbon for five different pulp densities, that is 5, 7.5, 10 ...
Copper Sulfide Flotation Circuit. The pulp from the Conditioner is treated in a 10-cell "Sub-A" Flotation Machine and a 4-cell "Sub-A" Flotation machine. Sometimes conditioners are not provided; however, their use …
Table 1. Literature summary of machine learning-based models used in copper sulfide flotation. Algorithm Inputs Outputs Scale References Artificial Neural Networks (ANN) pH, pulp density, liberation degree and particle size distribution of feed and middling, grade of feed, flotation times Grade and mass pull of concentrate and tailing
Advances in bioleaching for recovery of metals and bioremediation of fuel ash and sewage sludge. Tingyue Gu, ... Minghua Zhou, in Bioresource Technology, 2018. 6.3 Pulp density. The pulp density (i.e., the solid mass to liquid volume ratio) is one the most important factors in bioleaching. In general, the bioleaching efficiency decreases when pulp density increases …
Download scientific diagram | Copper recovery in flotation with distilled water as a function of PAX dosage. (Test conditions: distilled water, pH8.5, PAX dosage 25-75 g/t-ore, MIBC dosage 250 g/t ...
This report provides a perspective on the amount of water used by a conventional copper flotation plant, including the makeup water required to compensate for water losses. Much of the global supply of copper originates from mines that also produce byproduct molybdenum, but for simplicity, a single copper concentrate has been modeled for this ...
The effect of pulp density was À0,09 for a variation of 5%; This observation (also shown in Fig. 2a) indicates that reducing the pulp density lead to an increase in the copper grade in the ...
work by performing tests using a pilot scale 3m3 RCS flotation cell operated using a copper ore. ... of pulp density (Test 2), a measured amount of water was then added to the rig, frother ...
Pulp or Slurry Temperature. Heat aids gas precipitation from the water of the flotation pulp; it also aids in dispersion of the more viscous oils. Temperatures above normal are, therefore, of distinct advantage in pulp-body …
Solids/Pulp Density % 19.1 Mass Balance/Engineering Design Solid Flow Rate t/h 452 Mass Balance Pulp Flow Rate m3/h 2,057 Mass Balance Batch Retention Time min 5.0 Testwork Reports Scale-up Factor 2.1 Engineering Design Plant Retention Time min 10.5 Calculations Pulp pH 11.0 Testwork Reports 1st Cu Cleaner Scavenger Flotation
Flotation efficiency depends on a number of parameters which include particle size, pulp density, water quality, pH and reagent dosage (Pérez-Garibay et. al., 2014; Muzenda, 2010; Saleh, et. al., 2008; Shuhua, 2006; Göktepe, 2002). Therefore, in order to achieve maximum recoveries and grades ... Flotation of Nickel-Copper Sulphide Ore ...
For flotation tests, the Hanönü and Madenköy ore samples were ground in a stainless steel ball mill at a pulp density of 60% by weight for 40 min and 30 min, respectively. d 80 and d 50 particle sizes of Hanönü ore were 28 μm and 17 μm, respectively. ... this value is 0.50 cm in Madenköy copper flotation plant. The bubble size of ...
Factors affecting flotation of water-quenched slag from a copper smelting plant in Hubei province,such as grinding fineness,pulp density,pH value and the reagent system,were studied.The results indicate that the best flotation efficiency was obtained with a grinding fineness of 95%-0.074 mm,a pulp density of 30%,a pH value of 7.0 and reagent dosages of …
This study is focused on the froth flotation reprocessing of a copper mineral from flotation tailings. The effects of flotation parameters including pulp density, collector dosage, frother dosage ...
The stainless steel ball mill (model: XMQ240ˆ90, Wuhan Rock Crush & Grand Equipment Manufacture Co., Wuhan, China) with stainless steel balls with 38% of solid was used in the laboratory. The mill discharge was transferred to an XFD-1 L flotation cell, and the pulp density of copper slags was adjusted to 33%.
The results revealed that rheology, which is caused by pulp density, played a key role in flotation performance. The decline in density (from 40 wt % to 20 wt %) increased the nickel and copper...
Useful Buying Guide: Best calculators for engineers. Prev Previous D12 Laboratory Flotation Machine Drawings & Dimensions
Particle size, reagent type and dosage, air flow rate, pulp density, and wash water rate are some of the influential pa-rameters on flotation process efficiency [8, 28, 33, 34, 39]. Although copper flotation and the effect of key parameters and operational …
To investigate how the flotation was affected by the pulp density of a single mineral and the mixture of sulfide and serpentine, sulfide and serpentine slurries (5 40 wt % of the total solid by
The change of copper flotation recovery correlated well with the change of pulp viscosity and the deteriorated copper flotation at a high percentage of amorphous silica was caused by the significantly increased pulp viscosity. ... An empirical model for the degree of entrainment in froth flotation based on particle size and density. Miner. Eng ...
Amorphous silica increases pulp viscosity by forming aggregate structures. Classical first-order kinetic model best describes flotation kinetics. Amorphous silica adversely …
area.Pilot-scale flotation studies were carried out to upgrade its copper-content by physical concentration method to a level which is suitable for metallurgical treatment to produce blister copper. Flotation-process parameters, such as collector type and dosage, dispersent, pulp density, etc, were investigated. FLOTATION TEST-PROCEDURE AT ...