sulfur flotation flow

(PDF) Sulphur Removal of Iron Ore Tailings by Flotation

Sulphur Removal of Iron Ore Tailings by Flotation. ... air flow rate 10 l/min, pH 8.5 and pulp density 30%. ... Sulphur removal of iron ore tailings. by flotation, Journal of Dispersion Science ...

Copper extraction - Wikipedia

Copper extraction refers to the methods used to obtain copper from its ores.The conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors.

Application of Froth Flotation Technique to Reduce Sulfur ...

Application of Froth Flotation Technique to Reduce Sulfur from ... froth flotation, sulfur . 1. Introduction. Coal is an organic sedimentary rock containing varying percentages of carbon, nitrogen, oxygen, and ... It is necessary to mention here that Nitrogen flow starts automatically for the analysis of Volatile matter. After Volatile matter ...

Recovery of pyrite from copper tailings by flotation ...

The pyrite grade in the fresh tailing sample and in the flotation product was determined indirectly from the content sulfur, copper and iron. Calculations carried out considering the elemental chemical composition presented in Table 1 and the mineralogical species that contained sulfur, identified by the XRD analysis, allowed to determine that the fresh tailings sample contained 4.56% FeS 2 ...

Processes | Free Full-Text | Recovering Cobalt and Sulfur ...

There is 0.032% cobalt and 0.56% sulfur in the cobalt-bearing V–Ti tailings in the Panxi Region, with the metal sulfide minerals mainly including FeS2, Fe1−xS, Co3S4, and (Fe,Co)S2, and the gangue minerals mainly including aluminosilicate minerals. The flotation process was used to recover cobalt and sulfur in the cobalt-bearing V–Ti tailings.

Method for separation of elemental sulphur and sulphide ...

FIELD: chemistry. SUBSTANCE: method for separation of the elemental sulphur and sulphide concentrate from the intermediate products of the sulphide concentrates hydrometallurgy processing includes sulphur-sulphide flotation of the intermediate original pulp in order to separate the sulphur and sulphides from intermediate oxide components with forming of the sulphur-sulphide concentrate.

Effect of sulfur dioxide on flotation of chalcopyrite ...

1. Introduction. Many flotation reagents have been used in the past to modulate the wettability of mineral surfaces. Among these reagents, sulfur-based inorganic compounds, such as sodium sulfite and sulfur dioxide have been used as regulators in the differential flotation of polymetallic sulfides ores (Pallanch, 1928).These reagents act as depressants for some sulfide minerals like ...

US4952307A - Recovery of elemental sulphur from products ...

A new "cold" process for the recovery of elemental sulphur from contaminated elemental sulphur products is described. Elemental sulphur is recovered by froth flotation from: contaminated base pads of elemental sulphur blocks, stockpiles of contaminated elemental sulphur; contaminated elemental sulphur rejects from industrial handling and hauling; complex sulphur agglomerate, reject by-product ...

Remove Sulphur Dioxide from Lead Smelter by Citrate Process

The purpose of these projects was integrating sulfur flotation, other process improvements, and some modifications to obtain data for engineering evaluation. One pilot plant using the citrate process was operated at a Pfizer, Inc., coal-fired steam-generating station near Terre Haute, Ind.

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.

A Desulfurization Flotation Approach for the Integrated ...

flow sheet was based on the laboratory-scale test results obtained for the South African fine coal waste, as described in the previous section, and included milling, flotation, filtration, thickening and pumping as key operations. A plant throughput of 100 t/h with a capacity of 720,000 tons per

Process of removing sulfur from magnetite concentrates via ...

Circuit for foam separation of diluted thin-dispersion suspension of ash includes performing primary flotation with air flow equaling 0,5-1,5 m 3 /m 2 minutes, and then flotation cleaning of resulting foam concentrate with air flow of 0,1-0,3 m 3 /m 2 minutes and control flotation of chamber product. Resulting concentrate contains 85-98% coal ...

Copper Mining and Extraction Sulfide Ores

Stage 2: Froth flotation ... This diagram shows the international trade flow in copper concentrate.The flow is from major mining countries to major industrial countries (Source: International Copper Study Group). ... From the formula, it is clear that iron and sulfur …

CN103157558A - Beneficiation method of recovering sulfur ...

Compared with the prior technology, the beneficiation method of recovering the sulfur from the copper sulfide ore flotation tailings has the advantages of being stable in technological process, small in dosage of sulfuric acid and high in grade of sulfur concentrate and recovery rate.

SO2 Manufacturing Process - Sulfur Burning Plant

The SO2 Manufacturing Process is "simple", all you need is a sulfur burning plant. The flowsheet represent what you need for a sulfur burning system to produce SO2. The manufacturing of 1 metric tonne per day of SO2 requires a sulfur-burning SO2 plant capable of smoking-up around 46 lb/hr (21 kg/hr) of sulfur to produce 92 lb/hr (42 kg/hr, or ~1 MT/D) of SO2 (Gas at 15%) Sulfur Melter and ...

Separation of elemental sulfur from hydrometallurgical ...

Dried sulfur concentrate (~ 15% moisture) is fed continuously to a melting cone which is also fed by recycled molten sulfur from the dirty sulfur pit into which the melting cone discharges. The elemental sulfur fraction of the flotation concentrate melts and the unreacted sulfide particles are …

Copper Nickel Flotation

Cyclic Copper Nickel Flotation Tests. To further clarify the flotation response of the shaft sample, several cyclic tests were carried out. A 6-min grind in the laboratory ball mill was selected for these tests, and the result was a 40-pct minus 325-mesh grind.

Effects of impeller speed and aeration rate on flotation ...

Minerals Engineering, the flow rate of valuable component in the flotation of 1995, 8(12): 1557-1570. complex sulphide ore depends on not only the aeration [5] GORAIN B K, FRANZIDIS J P, MANLAPIG E V. Studies on impeller type, impeller speed and air flow rate in an industrial scale stability shown on α and the froth size shown on db, rate Qa ...

Separation of elemental sulfur from hydrometallurgical ...

The separation and enrichment of mercury and the recovery of elemental sulfur from flotation sulfur concentrate in zinc pressure leaching process were carried out by sodium sulfide leaching and ...

Sulphur Process Flowsheet by Flotation

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Control of Sulfur Dioxide Emissions From Copper Smelters ...

SULFUR PRODUCTION Sulfur production achieved by catalytically reacting sulfur dioxide and hydrogen sulfide is an old state-of-the-art process. Its principal application today is the process by which "sour gas" (natural gas contain- ing hydrogen sulfide, normally as a major contaminant) is purified for widespread distribution and use.

Iron Control in Zinc Pressure Leach Processes

Elemental sulfur is then recovered by melting and hot filtration of the sulfur concentrate. In the zinc refinery at Flin Flon, for a period shortly after startup, there was sufficient gold contained in the zinc-concentrate feed to warrant operation of the flotation and sulfur melt and filtration circuits.

Characterization and Flotation of Sulfur from Chalcopyrite ...

Vo1. 2, Characterization and Flotation of Sulfur from Chalcopyrite Concentrate Leaching 7 A sodium silicate dosage of 50 g/t increases the sulfur grade of the concentrate to 89% with a recovery of 91%. The grade of both copper and siliceous material has

Optimal control of sulphur flotation process based on ...

The overflow of the last cleaning bank is the final product, i.e., the concentrate. Fig. 1. Flow-diagram of sulphur flotation circuit The amount of sulphur in the final concentrate called concentrate grade, and the amount of sulphur in the tailing called tailing grade, which are two important indicators of flotation …

Data-Driven Approximated Optimal Control of Sulfur ...

Liquid volume flow rate of the drainage from froth to pulp volume /h: Air flow rate of the aeration /h: Air flow rate that leaves the pulp volume into the froth volume /h: Air flow rate that leaves the froth volume into the concentrate launder /h: Air flow rate that leaves the pulp volume into the tailings /h: Volume of the flotation cell /h

EP0402507A1 - Method of improving handling characteristics ...

To improve the handling characteristics and dispersibility of a sulfur containing froth, especially a froth obtained from the regeneration step in a process for scrubbing out and oxidizing H₂S, there is added to the scrubbing liquor an ionic or non-ionic surfactant, e.g., dioctyl or dodecyl sulfosucciniate in sufficient concentrations, e.g., 3-16 ppm, to substantially prevent the sulfur ...

SRU Sulphur Recovery Process

THE Sulfur Recovery FLOWSHEET. The flowsheet above is a typical example of economical treatment of low-grade sulphur by flotation. Due to the variable nature of the sulphur in these deposits, testwork, such as is offered by the 911metallurgy Equipment Company and Laboratories, is recommended to determine the exact flowsheet requirements. Information obtained from these tests will determine the ...

Data-Driven Approximated Optimal Control of Sulfur ...

Sulfur flotation process is a typical industry process with complex dynamics. For a sulfur flotation cell, the structure of the system model could be derived using first-principles and reaction kinetics. However, the model parameters cannot be obtained under certain working conditions. In this paper, by using adaptive dynamic programming (ADP), we establish a data-driven optimal control ...

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