Observation of fine particle aggregating behavior induced by high
Key words: fine particle flotation; high intensity conditioning; particle aggregation; bubble size measurement 1 Introduction Flotation is a dominant separation technique employed by the mineral industry, especially in metal recovery. However, this technology only well responds to mineral particle in a narrow size range, out of which …
Technological assessments on recent developments in fine …
Unlike conventional tanks, pneumatic flotation cells are typically classified as high-intensity flotation machines with the capability of floating liberated minerals very fast, resulting in very short residence times, often half that of mechanical cells and a quarter of that of flotation columns (Young et al., 2006). One type of pneumatic ...
Role of hydrodynamic cavitation by high intensity …
The improved recovery of fine particle flotation by high intensity agitation (HIA) has been reported in some flotation systems. However, the scientific basis and fundamental knowledge in this area ...
Advances in the study of high intensity conditioning …
A systematic investigation into the hydrodynamic and chemical aspects of high intensity conditioning (HIC) prior to mineral flotation has been conducted.
Metallurgical testing and CFD simulation of StackCell® SC-50 high …
The StackCell high-intensity flotation technology builds on the concept of focused energy input to enhance fine particle recovery and improve flotation kinetics over the full range of particle sizes. Through multiple full-scale installations and pilot-scale trials in base metals, the StackCell has been proven to reduce flotation residence time ...
The effect of high intensity conditioning on the flotation of …
DOI: 10.1016/S0892-6875(99)00123-5 Corpus ID: 98325915; The effect of high intensity conditioning on the flotation of a nickel ore, Part 2: Mechanisms @article{Chen1999TheEO, title={The effect of high intensity conditioning on the flotation of a nickel ore, Part 2: Mechanisms}, author={G. Q. Chen and Stephen Grano and Sławomir Sobieraj and John …
Effect of high intensity conditioning on aggregate size of …
High intensity conditioning (HIC) was used as a model to study the fundamental of fine sulphide particle flotation. The effect of impeller design, mechanical energy input, and agitation speed on aggregate size of fine sphalerite was tested. The aggregate size of fine sphalerite was measured with the Malvern Hydro 2000 Mastersizer.
The effect of high intensity conditioning on the …
The effect of high intensity conditioning on the flotation of a nickel ore, Part 2: Mechanisms | Semantic Scholar. DOI: 10.1016/S0892-6875 (99)00123-5. Corpus …
Flotation
StackCell High Intensity Flotation. The StackCell® uses a 2-stage system for particle collection and froth recovery. Collection is optimized in a high shear single-pass mixing canister and froth recovery is optimized in a quiescent flotation chamber.
Flotation of copper sulphides assisted by high intensity …
Also, the comparative effect of high intensity conditioning (HIC), as a pre-flotation stage for the rougher flotation, is studied alone or combined with CRF. Comparisons were measured through the separation parameters: grade, recovery (global and true flotation) and flotation rate constants included size-by-size results to assess …
New benchmark in high intensity pneumatic flotation …
The Concorde Cell™ sets a new benchmark in high intensity pneumatic flotation by recovering unachievable fine and ultra-fine particles. This results in significant revenue gains for your operation as well as minimizes plant operating costs, energy and water consumption per metal production targets.
The effect of high intensity conditioning on the flotation …
Effect of High Intensity Conditioning on flotation of nickel ore. Part 1: Size-by-size analysis 1191 Figures 3a and b show that in the particle size range of 7 to 106 gin, the nickel recovery after 22 minutes of flotation was over 85% for experiments both in the absence and presence of HIC. Outside this particle size range, nickel recovery ...
High intensity conditioning — a new approach to improving flotation …
The effect of high intensity conditioning on the flotation of a nickel ore. Part 1: Size-by-size analysis. G. Chen S. Grano S. Sobieraj J. Ralston. Materials Science, Engineering. 1999; 55. Save. The flotation of pentlandite from pyrrhotite with particular reference to the effects of particle size. G. Senior L. K. Shannon W. J. Trahar.
Effect of high intensity conditioning on flotation of nickel …
Hydrophobic flocculation of sulphide minerals is the main reason that high intensity conditioning improves the flotation recovery of low-grade sulfide ore. Discover the world's research 25 ...
Investigation of collector desorption behavior on the …
Mechanical stirring during the flotation conditioning process is a commonly employed and efficient method to enhance the effectiveness of slurry conditioning. …
On the role of cavitation in particle collection in flotation – A
High intensity conditioning (HIC) is a practical example of applying shear flocculation principles to mineral flotation. It has been claimed that HIC pre-treatment enhances flotation rate of fine particles ( Bulatovic and Salter, 1989, Chen et al., 1999a, Chen et al., 1999b, Valderrama et al., 1995, Valderrama and Rubio, 1998, Valderrama ...
Advances in the study of high intensity conditioning …
A systematic investigation into the hydrodynamic and chemical aspects of high intensity conditioning (HIC) prior to mineral flotation has been conducted. The objectives were to elucidate he mechanisms responsible for improvements …
The effect of residence time and aeration on coal recovery within …
The high intensity zone within the Jameson Cell is the downcomer. It is largely external and separated from the flotation tank. This, together with operation of the downcomer under vacuum, rather ...
How Does High Intensity Conditioning Affect …
Results showed that the amount of <0.074 mm size fraction increased after HIC. It would have a negative effect on flotation performance, although the variation was …
(PDF) How Does High Intensity Conditioning …
This concept is inspired by high-intensity conditioning (HIC), which is used in the flotation of coal, graphite, and other minerals [36][37][38] [39] to improve the flotation efficiency by de ...
StackCell® Flotation
StackCell ® High-Intensity Flotation Superior metallurgical performance contributing to a more profitable and sustainable mining operation. StackCell flotation reduces conventional flotation residence time …
The Use of Flotation and High-Intensity Magnetic …
Abstract The flotation process and magnetic separation are the most common methods for feldspar beneficiation containing approximately 0.4% Fe2O3 and 0.04% TiO2. A model MIH (13) 111-5 Induced Roll dry high-intensity magnetic separator was used in this investigation to produce high-quality feldspar concentrate, and …
High intensity conditioning and the carrier flotation of gold …
The effect of high intensity conditioning (HIC) on carrier flotation of gold was studied at laboratory scale by keeping the degree of turbulence constant and by varying the energy transferred to the pulp. Best results were obtained after pulp HIC and showed a 24% increase in the recovery of gold, 50% in concentrate grade and higher …
The role of surface cleaning in high intensity conditioning
The high intensity conditioning was conducted in a 1.0 L cylindrical conditioning tank, which consists of four baffles configurated across.A six-blade impeller was actuated by an overhead stirrer (Hei-Torque 100, German) with a speed range from 10 to 2000 rpm.To study the effect of surface cleaning on coal flotation, we employed a …
Fine particle aggregating and flotation behavior induced by high …
This concept is inspired by high-intensity conditioning (HIC), which is used in the flotation of coal, graphite, and other minerals [36][37] [38] [39] to improve the flotation efficiency by de ...
How Does High Intensity Conditioning Affect …
An investigation was conducted in terms of the variation of particle size distribution, removing hydrophilic groups from coal surface, reagent dispersion, and formation of …
StackCell® High-Intensity Flotation
The StackCell high-intensity flotation machine features a high-turbulence bubble/particle contact chamber with multi-stage rotor/stator mechanism that feeds an external froth separation and recovery chamber. StackCell flotation machines are built to last, with components and electrical equipment selected for maximum availability and operating ...
Improve Flotation Kinetics by High Intensity Agitation
Improved flotation kinetics were obtained only at the expense of higher energy consumption. In general, test results show that recovery was related to the number of bubble-particle collisions and the number of bubble-particle collisions was related to agitation intensity.
Flotation of copper sulphides assisted by high intensity …
Herein, best results were obtained with concentrate recirculation flotation combined with high intensity conditioning (CRF-HIC), increased twice the kinetics rate values and enhanced 17 % the Cu ...
BENEFITS OF HIGH INTENSITY FLOTATION AT THE HEAD …
Keywords; Jameson Cell, Prefloat, Zinc, Copper, Scalping The Jameson Cell is a high intensity flotation device, which utilises induced air from atmosphere. It was developed jointly by Mount Isa Mines and Prof. GJ Jameson of the University of Newcastle in the 1980's. It is proven to generate fine bubbles, in the order of 300 to 500μm, in a high …