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Performance comparison of a hydrocyclone and crossflow separator …
The Floatex density separator consists, essentially, of a hindered-settling classifier over a dewatering cone. Automatic control of the coarse lower discharge is governed by the specific gravity ...
Application of a Floatex density separator for iron …
A Floatex density separator was used to reduce the silica and alumina contents of a low-grade iron ore plant reject sample from the Pilbara region in Western Australia to produce a high-quality iron ore ... silica and alumina from cyclone underflow products, while Sarkar et al. (2008), Das et al. (2009) and Raghukumar, Tripathy, and Mohanan ...
A comparative study of slip velocity models for the prediction …
The floatex density separator (FDS) is a gravity concentrator in which liquid fluidization is effectively used to concentrate fine minerals. Hindered settling along with the formation of an autogenous dense medium in the form of a teeter bed are the primary physical phenomena in the FDS. The slurry of mineral fines is fed to the FDS …
PILIMINARY UPGRADING OF SILICA SAND FOR SILICON …
Venkatraman and his colleagues applied a floatex spiral circuit in processing Indian silica sand. The application comprised of floatex density separator and umphreys glassH sand spiral-model LC-3700. The compositions of the sand products as well as the silica sand feed are shown in Table 4) (Venkatraman
Floatex Separations Ltd – Subsea Oil and Gas Directory
by Subsea AdminNovember 19, 2019. Floatex Separations Ltd in short: classification technology. Floatex have served the mineral process industry since 1946 and are world leaders in classification technology having built a reputation for quality and reliability. Floatex designed and installed the majority of the industrial silica sand process ...
In depth analysis of alumina removal from iron ore fines …
Floatex density separator Floatex density separator is a relatively new develop-ment in gravity separation with a counter current operation employing a teetering bed. A schematic of the FDS is shown in Fig. 1 a. Fluidisation coupled with hindered settling is the basis of separation in this separator. Honaker et al. 12 described the hindered bed ...
Full article: Application of a Floatex density separator for …
The Floatex density separator (FDS) is a teeter-bed separator in which an up-current classification technique can be used to upgrade low-grade iron ore fines and reject clay and silicate minerals. Hearn ( Citation 2002 ) discussed the application of teeter-bed technology for treating hematite fines in the −1 mm size range at the LKAB iron ore ...
Simulation and pilot experiments on pyrite concentrate separation …
The separation performance of a Floatex Density Separator (FDS) for Indian coals has been studied. Experimental results reveal that both density as well as size have substantial influence on ...
Performance of Teetered Bed Separator for Non-Coal …
Pure silica sand, magnetite concentrate and their artificial mixture were used to observe effect of mineral density. ... (TBS) or hindered bed separator such as Floatex density separator (FDS ...
Predicting the Chromite Mineral Upgradation in Floatex Density
PDF | Floatex density separator is a commercial hindered (teetered) bed separator and works on the principle of hindered settling. ... Pure silica sand, magnetite concentrate and their artificial ...
Prediction of process input interactions of Floatex Density …
The present study proposes to examine the effects of different process variables of a Floatex Density Separator, viz. TW flow rate, Set Point (SP), Feed rate (FR) and Pulp Density (PD) and then simulate the predicted cut size.
Study of separation features in floatex density separator …
DOI: 10.1016/J.MINPRO.2007.10.002 Corpus ID: 94963043; Study of separation features in floatex density separator for cleaning fine coal @article{Sarkar2008StudyOS, title={Study of separation features in floatex density separator for cleaning fine coal}, author={Biswajit Sarkar and Avimanyu Das and S. P. Mehrotra}, journal={International …
Prediction of separation performance of Floatex Density …
Pure silica sand, magnetite concentrate and their artificial mixture were used to observe effect of mineral density. Classification test results revealed that separation …
Evaluation of floatex density separator performance using …
In the present investigation, effect of process variables such as teeter water flow rate, set point, and feed rate on performance of FDS in terms of yield to underflow, cut size (D50), …
(PDF) Performance prediction of floatex density …
Effective use of a Floatex density separator (FDS), a continuous teetered bed separator, in beneficiating iron ore fines in terms of alumina and silica removal has been investigated....
Application of a Floatex density separator for iron …
A Floatex density separator was used to reduce the silica and alumina contents of a low-grade iron ore plant reject sample from the Pilbara region in Western Australia to …
Lochaline, Silica Sand Mine | Canmore
The sand and water was then sent to the flotation tanks or 'Floatex' density separators (DP029366; DC48438, N) where the sand settled out from the clean water. There were two density separator flotation tanks at Lochaline with one for standard grains (greater than 250 microns) and one for 'fines' (less than 250 microns, more than 90 ...
Application of a Floatex density separator for iron recovery …
The performance of floatex density separator (FDS) for alumina removal from iron ore fines of size <1·0 mm has been studied. Screw classifier feed containing 4·28% alumina has been used as the ...
Effect of Teetering Pulp Density in Floatex Density …
teetering column of sand, the pulp density will be greater towards the bottom where the particles are lying close together. EXPERIMENTAL WORK The experiments were conducted using laboratory scale floatex density separator. Studies were carried out to separate lighter minerals such as fine sillimanite, quartz etc from heavier mineral like …
(PDF) Segregation and Process Features in a Teeter Bed Separator …
The separation performance of a Floatex Density Separator (FDS) for Indian coals has been studied. Experimental results reveal that both density as well as size have substantial influence on ...
Prediction of separation performance of Floatex Density Separator …
The Floatex Density Separator (FDS) is a teeter-bed based gravity separator which is used to separate different types of minerals based on their specific gravity. Both the size and density have substantial influence on the separation process. The ease and efficacy of separation in FDS has attracted considerable interest in the …
Classification performance evaluation of floatex density separator …
Floatex Density Separator (FDS) is an advanced hindered settling classifier, also called as counter-current and autogenous teetered bed separator, which makes use of particle settling rates to segregate particles according to size, shape and density. FDS is being employed as concentrator and as a classifier in mineral sand, iron, and chromite ...
floatex density separator
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Classification performance evaluation of floatex density …
Floatex Density Separator (FDS) is an advanced hindered settling classifier, also called as counter-current and autogenous teetered bed separator, which makes …
ASSESSING THE PERFORMANCE OF A FLOATEX …
The Floatex Density Separator (FDS) is a teeter bed separator, using an UCC technique that has the potential to upgrade lower grade iron ore fines and is a useful technique for rejection of clayey ...
Performance evaluation of a laboratory floatex density separator …
Umadevi et al. (2021) compared the performance of a FLOATEX density separator with a spiral concentrator to remove silica and alumina from two cyclone underflow products. The first sample was a ...
Performance prediction of floatex density …
Keywords: Floatex density separator, Iron ore processing, Simulation, Slip velocity Introduction A significant amount of fines is generated during mining, processing and handling of iron ore as Indian haematitic and …
Investigation of classification alternatives for grinding circuits
Abstract. In the present work, the performance of a silica sand grinding circuit was evaluated. Detailed classification tests were performed using a laboratory scale teetered bed separator (TBS) in a grinding circuit to evaluate the possibilities of using one instead of a cyclone. Mathematical models were used to simulate and compare size ...
Application of a Floatex density separator for iron recovery …
ABSTRACT A Floatex density separator was used to reduce the silica and alumina contents of a low-grade iron ore plant reject sample from the Pilbara region in Western Australia to produce a high-quality iron ore concentrate suitable for use in sinter and pellet blends. From a −2.0 mm head sample containing 49.42 wt% Fe, 12.77 wt% …