flotation process tailing

US4460459A - Sequential flotation of sulfide ores - Google ...

A sequential flotation process for the recovery of high-grade concentrates of copper, lead and cobalt-nickel from sulfide ores is provided. A primary grind ore pulp is conditioned with SO 2 as H 2 SO 3 under intense aeration, and the conditioned pulp subjected to sequential flotation, with regrinding and conditioning of a copper rougher concentrate obtained in the first flotation step for copper.

Recovery of Iron Ore Tailings byColumn Flotation

millions of tons are already stored in tailings. CDTN carried out a study of the process in a column flotation pilot plant installed in the mining facilities with a slime sample, with a view to recovering this sludge using the reverse flotation technique.

flotation copper tailings - srimathatrust.co.in

Concentration is the process of extracting the economic product from the crushed and ground ore, the waste from this process is the tailings. Froth flotation (figure 2) is the most widely used concentration method and is normally the first step in the mineral processing sequence where chemical reagents are introduced (Vick 1990).

Fine Flotation Tailings Dewatering: Reducing Water ...

<200 ppm TSS, the filter supplements 25 % of the fresh process water consumed by the gravity concentration equipment. At this project, fine tailings dewatering, using the CX-Series filter, has offset a total of 15 % of the fresh process water consumption in …

1 Froth Flotation – Fundamental Principles

Table 1: Grade/recovery performance of a hypothetical copper ore flotation process. Product % Weight % Cu Assay Feed 100 2.09 Concentrate 10 20.0 Tailings 90 0.1 (a) From Table 1, the Ratio of Concentration can be calculated as F/C = 100/10 = 10. If only

Valorisation of a flotation tailing by bioleaching and ...

In this study, a flotation tailing produced within an integral process for the treatment of polymetallic sulphide ores is cleaned and valorised seeking a better use of natural resources and a lower environmental impact. In this work, bacterial leaching followed by brine leaching is postulated as an alternative to the flotation tailing treatment.

Home - Yantai Jinpeng Mining equipment, ore dressing ...

Fluorite flotation process. detail > Tailings. Tailings dry discharge process flowsheet. detail > JinPeng projects around the world. JinPeng in Asia . JinPeng in the America . JinPeng in Africa. JinPeng in Europe . JinPeng in Oceania . Please leave a message . and we'll get back to you. x.

Innovation in dewatering process of flotation tailings by ...

Flotation is widely used to clean fine coal particles by separating them from clay, silt, shale and other ash-producing matter using air bubble. After flotation either the coal or tailings slurries must be dewatered for practical and economic advantages.

Gold Flotation - Mineral Processing & Metallurgy

GOLD FLOTATION The flotation process, which is today so extensively used for the concentration of base-metal sulphide ores and is finding increased use in many other fields. In 1932 flotation plants began to be installed for the treatment of gold and silver ores as …

Treatment of the acidic effluent from a copper smelter by ...

The present study focused on application of flotation tailings as a neutralizing agent for acidic effluents. Laboratory experiments followed by computer simulation of the industrial process showed that 99% of the acid can be neutralized with flotation tailings in a series of six reactors resulting in the final copper concentration of 1.55 gL -1 .

Evaluation of Flotation Collectors in Developing Zero ...

Selection of direct or reverse flotation is mainly defined by the overall economics of Table 2. Effect of variation in dosage of Sokem 522C on the process. In this particular case, since gangue content is reverse flotation of iron ore tailings relatively less, reverse flotation using cationic collector is adopted.

CLAY FLOTATION OF TAILINGS - Free Patents Online

Oct 27, 2016· A process for treating and dewatering tailings comprising fine clay minerals, fine silt minerals and water is provided, comprising treating the tailings with a sufficient amount of a clay surface reagent to selectively modify the surface properties of the fine clay minerals; subjecting the treated tailings to froth flotation to float a portion of the fine clay minerals and form a clay froth ...

Re-Processing Gold Tailings in South Africa - sgs.com

The tailings from the re-processing plant will be re-deposited in a new area far from urbanization, allowing for the rehabilitation of the real estate currently occupied by these historic tailings. The first step in the process involves a mild-regrind and mild acid leach of the tailings (pH 2.5 to 3.0) to dissolve up to 40% of the uranium.

Tailings thickener in copper ore beneficiation-Ore ...

Tailings thickener in copper ore beneficiation. A tailing of copper flotation process contains iron sulfur and other elements, magnetic separation process obtained a unqualified products, because the grade of iron concentrate is only 60%, but the grade of sulfur is 2%, and the grade of SiO2 is 13.67%.

Recovery of Phosphate Minerals from Plant Tailings Using ...

of the flotation process where fine silica is floated using amine-based collectors at pH ranges from 6.5–8. Reverse flotation can be applied for phosphate ores that have high carbonate and low silica content. The grade of P2O5 in the tailing products depends on silicate content in the feed. When silicate

(PDF) Flotation of iron ore processing plant tailings

Flotation of iron ore processing plant tailings ... and 76.8% Cu recoveries from the new process tailings. ... Results show that the joint process of flotation and gravity separation has proven to ...

Tailings Gravity Separation Process-Ore Beneficiation ...

Adjusting the tailings concentration can be achieved by changing the speed of the pump, changing feeding tailings concentration, adjusting the amount of water and replacing the shakeout mouth. This process is suitable for tailings whose particle size is smaller than 5mm. Features of Tailings Gravity Separation Process:

Pyrite Tailings Recovery by Flotation

The Pyrite Tailings Flotation Circuit Flowsheet Initial treatment of the tailings preparatory to pyrite recovery depend upon the source and particle size of the material to be treated. Fine material, such as flotation tailings, normally does not require size reduction prior to pyrite flotation.

US4192738A - Process for scavenging iron from tailings ...

There is disclosed a process for scavenging iron from tailings produced by the flotation beneficiation of iron ore. This process includes the step of scavenging the flotation tailings using wet high-intensity magnetic separation (WHIMS). There is also disclosed a process for increasing the recovery of iron ore in a flotation beneficiation process.

Tailings.info What are tailings? - Their nature and production

Concentration is the process of extracting the economic product from the crushed and ground ore, the waste from this process is the tailings. Froth flotation (figure 2) is the most widely used concentration method and is normally the first step in the mineral processing sequence where chemical reagents are introduced (Vick 1990).

Introduction to Mineral Processing - cpchem.com

The process is identical in principle to the flotation of other minerals. The figure on the right is a simplified version of a Pb/Zn flotation circuit. The main difference in lead/zinc flotation is that zinc is usually depressed while lead (and copper) is floated. The tailing from the lead flotation circuit is the feed to the zinc circuit.

Beneficiation of Cassiterite Fines from a Tin Tailing ...

The beneficiation of cassiterite fines from a tailing slime in the Datun concentration plant was studied through a froth flotation process, with the chemical scheme of benzohydroxamic acid as collector, lead nitrate as activator, and pine oil as frother. It was found that tin values are mainly contained in the fine fraction of the sample and cassiterite is mostly associated with iron minerals ...

Froth Floatation Process - YouTube

May 05, 2010· Froth Floatation Process Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic. This is used in several …

(PDF) Evaluation of lead zinc ore tailings by flotation

PDF | Evaluation of tailings from processing plants is always an important issue. Lead-Zinc ore tailings containing 3.12% Zn, 3.43% Pb, 0.71 g/t Au and 74 g/t Ag was subject to this study.

Flotation Tailings - scientific.net

A joint process of flotation and magnetic separation was proposed to process the ore. This paper introduces the test results of flotation tailings by a wet drum separator. Results show that iron concentrate assaying 60.21-68.12% Fe at a recovery of 71.9-75.32% can be obtained, when the flotation tailings assays 33.91%Fe.

Recovery of phosphate minerals from plant tailings using ...

RECOVERY OF PHOSPHATE MINERALS FROM PLANT TAILINGS USING DIRECT FROTH FLOTATION PROCESS by ASHRAF ALSAFASFEH A Thesis Presented to the Graduate Faculty of the MISSOURI UNIVERSITY OF SCIENCE AND TECHNOLOGY In Partial Fulfillment of the Requirements for the Degree MASTER OF SCIENCE IN MINING ENGINEERING 2017 Approved by Dr. Lana …

Estimated Water Requirements for the Conventional ...

ore first enters the circuit to the production of concentrate and tailings. To prepare ore for the flotation process, run-of-mine ore, which may contain from about 2 to 5 percent water, by weight, when mined, is delivered to the crusher(s) to be reduced in size. At this stage, much of the moisture with the ore may be

LEACHING OF FLOTATION TAILINGS - Univerzitet u Zenici

leaching process has no significant effect on degree of copper. Optimum leaching time is 4 h. Based on the results, shown in Figure 4, the optimal ratio of S:L for the copper leaching process from flotation tailings is 1:2.5. The highest degree of copper leaching of 56% was achieved in the following

Froth flotation - Wikipedia

Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.

flotation tailings - German translation – Linguee

Many translated example sentences containing "flotation tailings" – German-English dictionary and search engine for German translations. Look up in Linguee; Suggest as a translation of "flotation tailings" ... With the pump system SIMINE Pump GD, the tailings extraction process in the copper mine is improved and the production is increased.

Froth Flotation Method | Gold and Silver Ore Flotation ...

Dec 20, 2018· The froth Flotation method is widely used to treat various veins of gold and silver ores for the following reasons: (1) In most cases, froth flotation process can enrich gold and silver in sulfide concentrate to the greatest extent and discard a large number of tailings…

(PDF) Environmental desulphurization of four Canadian mine ...

Therefore, modeling work on the desulphurization process and the associ- ated flotation cost estimation are studied concurrently to achieve this purpose. 3.1.1. Amyl xanthate Experiments were carried out to look at the flotation kinetics for the four tailings under the conditions cited above using an …

Tailings reselecting process flowsheet - Yantai Jinpeng ...

6. wolfram tailings: Use gravity, magnetic, flotation, etc process, and the gravity separation is the frequently used process. The gravity separation for reselecting wolfram tailings is spiral chute-centrifugal separator(or wet strong magnetic separator) as main roughing process, shaking table-flotation cell as main concentrate process. 7.