Selective Flocculation of Chromite Tailings | Transactions …
Odisha state is the major reserve of the chromite ore. Due to the extensive applications, high-grade chromite ore is getting depleted day by day. Now it is a challenge for the industry to utilize these low-grade ores and tailings. Several attempts were taken to upgrade the low-grade chrome ores and tailings using different gravity separation methods, magnetic …
Flotation of chromite and serpentine
In this paper, the floatability of chromite and serpentine fine particles by sodium oleate was investigated in-depth, aiming to separation during mineral processing, i.e. to float …
Process optimization of a chrome ore gravity concentration …
Chromite ore is geologically associated with gangue materials which have lower density compared to pure chromite (FeO.Cr2O3). ... magnets and flotation have been re-purposed to process chrome ...
A study on the recovery of fine chromite from …
Hence, projects are initiated to propose a sustainable process route to reprocess these tailings to recover chromite and address environmental regulations by generating alternative tailing ...
Flotation of Chromite Ore
Rougher flotation of ore containing abundant olivine upgraded the chromite from 23.4 to 29.6 percent Cr2O3 at a recovery of 89.4 percent. The technique was also applied to …
Froth flotation process and its application
The sulfide ore flotation process can be studied by both chemical and electrochemical phenomena considering the interfacial energies. A broad application of this process in industrial field is the ...
How to Adjust The Separability Of Chromite Ore?
Judge the separability of chrome ore mainly from the following aspects:. Understand the basic knowledge of chrome ore. Know the basic knowledge of chrome ore including the composition, classification, and use of chrome ore. The main components of chrome ore are chromite and magnesium chromite, which can be classified into chromium-rich and …
Flotation of chromite and serpentine
Chromite is an important strategic mineral usually associated with other gangue minerals, mainly silicates. A good knowledge of the flotation behaviour of chromite and the establishment of conditions for its selective separation from the gangue minerals might help the future exploitation of chromite deposits. In this paper, the floatability of chromite and serpentine …
Acidic medium flotation separation of chromite from …
acid, sodium fluoride or sodium silicofluoride.The flotation process generally involves the use of 200 to 20,000 glt fatty acid, 40 to 4,000 glt soluble fluoride ion and 40 to 4,400 glt ... e.g.,amine flotation. In one such method, chromite ore containing serpentine and olivine is subjected to flotation at an initial pH of 12 with an
A new flowsheet for processing chromite fines by column flotation …
DOI: 10.1016/S0892-6875(99)00090-4 Corpus ID: 96710703; A new flowsheet for processing chromite fines by column flotation and the collector adsorption mechanism @article{Gney1999ANF, title={A new flowsheet for processing chromite fines by column flotation and the collector adsorption mechanism}, author={Ali G{"u}ney and G{"u}rol {"O}nal and M. …
Chrome Ore Beneficiation Guide: Key Methods and Process …
The most common type of chrome ore is chromite, which is an iron-containing chromium oxide and an important chrome ore resource in industry. Due to its high specific gravity and magnetic properties, chromite is usually separated by gravity separation and magnetic separation in the beneficiation plant. ... In the chromium ore flotation process ...
Chrome Ore Process Plant
The mainly process of chrome ore processing is gravity separation.Sometimes low intensity magnetic separation or high-intensity magnetic separation will be used to deal with the chrome concentrate for a second processing to improve the grade of the chrome. Also some ores treated by flotation, but the gravity separation is still the main processing way for chrome ores.
Flotation Reagents: Uses and Advantages in Ore Processing
Flotation as a concentration process has been extensively used for a number of years. However, little is known of it as an exact science, although, various investigators have been and are doing much to place it on a more scientific basis. ... Hematite, manetite, ilmenite, wolframite, scheelite, feldspar, monazite, chromite. Armac 16-D ...
A study on the recovery of fine chromite from UG2 tailings
Subsequent flotation tests at natural pH on hot tailings samples with two stages of cleaning showed good upgrading, where a feed grade of 16.1 % Cr 2 O 3 after desliming was converted to a concentrate of 29.4 % Cr 2 O 3 at a yield, based on deslimed feed, of 28.6 % and a recovery of 52.4 %. The overall upgrade ratio in this case of 1.83 was slightly lower than those …
US2469422A
a selective froth flotation process for the treatment of chromite ores having low grade chrome spinels, Zircon, staurolite, ilmenite, magnetite, garnet, quartz, epidote, olivine and alteration products as inclusions which comprises subjecting a pulp of such an ore to an initial blunging treatment in the presence of a soluble fluosilicate-forming substance, partially neutralizng the …
Process flowsheet development for beneficiation of nickel ore
Some amounts of magnetite and chromite exist in the ore together with sulphide and oxide type nickel minerals. ... Froth flotation process is an important process which involves solid-solid/solid ...
A methodology for gangue management in the flotation of …
Of this, it was overwhelmingly the silicates that reported to the concentrates by true flotation, with only 5–8 % of chromite reporting by true flotation (small proportions were found to be associated with alteration minerals); while silicates and chromite were almost equally entrained at 25 and 23 %, respectively.
Flotation of chromite and serpentine
Flotation of chromite and serpentine ... The world supply and reserves of chromite or chrome ore ... The application of fluoride in the process was patented a long time now [12]. ...
(PDF) Flotation of Iron Ores: A Review
A tremendous amount of research has been done on refining the flotation process for iron ore and designing the reagents which go into it. This paper reviews the industrial practices and ...
Chrome ore beneficiation challenges & opportunities – A review
This article reviews the major process flow sheets in practice for the recovery of chromite values from various types of ores and critical issues related to chromite ore beneficiation.
Magnetic flotation beneficiation of chromite ore
This study presents a magnetic flotation process for the beneficiation of chromite ore, addressing the challenges associated with the diverse gangue mineralogy, predominantly serpentines and magnetite. The method successfully separates chromite without the need for high magnetic fields, achieving a concentrate with a 57% Cr2O3 content and a Cr ...
PGM extraction from oxidized ores using flotation and …
Keywords: PGM extraction, oxidized ore, flotation, ... The cyanidation process, which has proven to be effective for extraction of gold and silver by direct leaching of oxidized ores and concentrates, achieved low recoveries when applied to oxidized PGM ore (Musonda, 2015). ... Chromite and magnesiochromite were also identified as trace ...
How to Recover Chromite
Flotation. The objective of flotation studies was to improve the overall chromite recovery by flotation of chromite in the slimes from the gravity concentration circuit.
Developing a Relationship between Ore Feed Grade and Flotation …
Despite topical research, the study of flotation systems remains complex, multifaceted and water-intensive. Numerous physical and chemical factors are involved in the recovery of valuable minerals by flotation. While the chemistry of a system can be manipulated to improve the performance, the system is limited by the mineralogy of the incoming ore and the quality of the …
Process optimization of a chrome ore gravity …
Chromite deposits occur in the form of discontinuous bands, lenses, and pockets in different host rock associations. Chrome ore beneficiation. Most of the chrome ores around the world are beneficiated by gravity concentration techniques. A …
Froth Flotation Process
The froth flotation process is one of the most popular operational processes for mineral beneficiation. Click to know more about froth flotation process, its mechanism, watch videos and more. ... In ore/mineral beneficiation, froth …
Five Chrome Extraction Process to Teach you the Chromite Ore …
At present, we can use the flotation process to recover the chromite with fine grain size (-100um) after the gravity separation. The results show that Mg2+ and Ca2+ can inhibit the chromium ore ...
Flow Analysis Of Alluvial And Rock Chrome Ore Processing
Characteristics of rock chrome ore process. Mining method: Rock chrome ore is usually embedded in solid rock, and the mining process may involve deeper excavation, blasting, and crushing operations. Main process: Rock chrome ore processing often requires crushing and grinding to reduce the ore's particle size. Since chromite may be enclosed in other minerals, …
Mineralogical Insights into PGM Recovery from Middle …
Variations in the recovery of platinum group metals (PGMs) are often attributed to mineralogical and other natural ore-type variations. To increase the recovery of PGMs by the flotation process, a comprehensive understanding of gangue and valuable minerals is essential for optimising the extraction and processing of metals. Recoveries may be improved if the …
(PDF) PGM recovery from chromite tailings
The rougher flotation kinetics of the tw o ore bodies also differ slightly with the LG or es showing a much faster and higher rougher recovery compared to MG ores. Figure3: Rate kinetics for ...