sulfur flotation concentrate

Investigation of Flotation Separation of Elemental Sulfur ,

The rectification of the obtained concentrate by flotation did not give acceptable results, since the yield of the product in all experiments was 93-96 For the separation of lead sulphate from sulphur-sulfide concentrate was used in the granulation of sulfur ,...

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TACKLING IMPURITIES IN COPPER CONCENTRATES

recovery from the pilot leach residue was also assessed with elemental sulphur flotation of the residue offering 85 recovery of the precious metals to the flotation concentrate and the most favorable net present value NPV of the options considered Besides flotation, the other options investigated included...

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sulphur floatation copper concentrate

sulfur flotation concentrate vajirasri Characterization and Flotation of Sulfur from Chalcopyrite sulfur ore was selected, a typical method Froth flotation cells to concentrate copper and Patent US4138248 Recovery of elemental sulfur ,...

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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 discharg The elemental sulfur fraction of the flotation concentrate melts and the ,...

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Process of removing sulfur from magnetite concentrates via ,

The residual sulphur content in the iron concentrate - 0,03 , when removing sulfur concentrate 89,0 Output of iron ore concentrate - 95,7 Example 3 Flotation of sulfides is from Olenegorsk iron concentrate obtained after postavlennogo enrichment of wet magnetic separation...

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Copper Sulfide Flotation

Standard Sub-A Flotation Machines are used for both the rougher and cleaner circuits, where their cell-to-cell principle gives both high recovery and a good grade of concentrate The rougher concentration is accomplished in 6 or 8-cell flotation machines, with the concentrate from each going to a separate bank for cleaning and re-cleaning...

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Characterization and Flotation of Sulfur from Chalcopyrite ,

The sulfur flotation concentrate can be treated with an innovative process 7,8 to purify the sulfur to 999 and simultaneously remove selenium and tellurium The residue chalcopyrite of the ferric chloride leaching responds well to flotation in chalcopyrite flotation ,...

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Glencore Zinc Projects

The flotation concentrate, containing up to 70 w/w elemental sulphur is filtered in a plate and frame filter assembly, and the filtrate returned to the thickener circuit The sulphur concentrate is ,...

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Control of Sulfur Dioxide Emissions From Copper Smelters ,

The schematic flow diagram for the proposed process is presented in Figure 1 The principal operations in the process are as follows 1 Run-of-mill flotation concentrate is dried at 150-200 176 C to remove water 2 The dried concentrate is fired at 800-1 000 176 C in a neutral or reducing atmosphere to remove the labile sulfur...

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SRU Sulphur Recovery Process

The flotation product can then be retreated by autoclave, with much higher recovery of pure sulphur The lower grade of the flotation concentrate is due to the presence of a sulphur coating on particles of gangue, rendering them floatable Reagent Combinations Usually, the use of an alcohol frother is sufficient, as sulphur is self-promoted...

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Arsenic Pyrite Gold Extraction by Alkaline Leaching Oxidation

A flotation concentrate was made using sodium isopropyl xanthate as collector and copper sulfate CuSO4 as activator It contained 56 pct arsenopyrite, 322 pct pyrite, 089 tr oz/st Au, and 055 tr oz/st Ag Eighty-three percent of the gold and 53 pct of the silver were floated...

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Pyrite Processing Equipment, Process Flow, Cases

When using zinc to separate zinc and sulfur, the zinc crude concentrate contains 2928 zinc, the recovery rate reaches 98 , the sulfur concentrate contains 4286 sulfur, and the recovery rate is 82 2 Priority flotation of copper, tailings zinc and sulfur...

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Recover Sulfide Concentrate Tailings by Flotation

Fuel oil additions in the range of 30 to 60 lb/st were also used With this scheme as a starting point, continuous pilot-scale testing was initiated using the augmented amine flotation of a bulk sulfide concentrate from mill tailings Equipment and Procedure Six 1-ft³ Denver flotation cells were used for the continuous rougher flotation ,...

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Copper extraction

Vo1 2, No1 Characterization and Flotation of Sulfur from Chalcopyrite Concentrate Leaching 3 can serve as the feed for the above-mentioned or similar processes to produce selenium- and tellurium-free sulfur product Experimental Work Materials The chalcopyrite ,...

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Performance Recognition for Sulphur Flotation Process ,

The objective of sulphur flotation is to separate valuable sulphur minerals from useless materials or other minerals so as to gain the upgraded sulphur minerals Sulphur concentrate grade depends on flotation separation performance, and it is affected by the accuracy of the performance recognition...

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Separation of elemental sulfur from hydrometallurgical ,

The optimum procedure parameters were determinated for separation of mercury and elemental sulfur in flotation sulfur concentrate leaching with ammonium sulfide and the recovery of elemental ....

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THE CHOICE BETWEEN PRODUCTION OF LEAD SELECTIVE ,

The average recoveries from flotation process in the lead concentrate were cca 90 for lead, 80-85 The average recoverie from acid HF leaching were cca 92-93 for lead, 80-90 for sulphur KEYWORDS LEAD, SELECTIVE, FLOTATION,...

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123 Primary Copper Smelting

Pine oils, cresylic acid, and long-chain alcohols are used for the flotation of copper or The flotation concentrates are then dewatered by clarification and filtration, resulting in 10 to 15 percent water, 25 percent sulfur,...

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Method for separation of elemental sulphur and sulphide ,

The method is based on autoclave-flotation processing methods oxidized slurry autoclave leaching of pyrrhotite concentrate and includes the following operations collective flotation sulphur and sulphides in serosurvey concentrate SPC , the disintegration of the SCQ and sulphide flotation, the products of which are sulfur ,...

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Biological removal of sulfur from coal flotation ,

Total sulfur and ash content was reduced by bioleaching from 1355 and 135 in flotation concentrate to 947 and 055 in the final leached concentrate, a reduction of 35 and 619 respectively...

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Sulphur Mining District

Recovery averaged about 85 percent of the sulphur originally in tho ore Tho concentrate averaged 77 percent sulphur, and mill loads, which were made up of half mine and half dump ore, about 15 percent sulphur The flotation concentrate ,...

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Characterization and Flotation of Sulfur from Chalcopyrite ,

The sulfur flotation concentrate can be treated with an innovative process 7,8 to purify the sulfur to 999 and simultaneously remove selenium and tellurium The residue chalcopyrite of the ferric chloride leaching responds well to flotation in chalcopyrite flotation tests...

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PYRITE ROASTING, AN ALTERNATIVE TO SULPHUR ,

process relevant figures are the sulphur content and the particle grain size Additional important process figures are the reaction temperature and the concentrate throughput The pyrite concentrates can be classified as Type Composition Grain Size Pyrite Concentrate flotation,...

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Processing of Sulphur Concentrate with High Quality by ,

Based on the analysis of the properties of the ore from Weixin area in Yunnan province, a suitable technical route was presented for the processing of sulphur concentrate with high quality The main factors ie grinding fineness, pH, collector type and dosage, affecting the quality of roughing concentrate was investigated On this basis, a close-circuit flotation ,...

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Magnetic separation of copper sulfide ores containing ,

proceed flotation separation of copper and sulfur, the rough concentrate of copper by two concentrate to get copper concentrate in flotation mechanism the pulp into sulfur flotation system flotation, copper scavenging tailings proceed sulfur once rough three sweep operation to obtain sulfur concentrate after sulfur ,...

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Iron Control in Zinc Pressure Leach Processes

The second-stage residue is separated by flotation to recover an elemental sulfur concentrate and a flotation tailings product high in lead and silver content The bulk of the iron remains in solution and ,...

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Smelting Flotation Concentrate

The concentrate consists of 19 copper, 17 silica, 23 iron, 2 lime, 8 alumina, and 28 sulphur It is sandy and slimy, and contains 20 water Of the 350 tons of concentrate, about 215 tons is dumped from V-shaped steel cars into bins, which supply the nodulizing kilns...

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PDF Characterization and Flotation of Sulfur from ,

Vo1 2, No1 Characteriza tion and Flotation of Sulfur from Chalcopyrite Concentrate Leaching 7 A sodium silicate dosage of 50 g/t inc reases the sulfur grade of the concentrate to 89 with a ....

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Flotation upgrade at Nui Phao

In July 2016, the new concentrate launder was installed and the improvement in sulphur recovery was immediate At a feed density of 152 SG, the flash sulphur unit recovery increased to 55 The -180 150 μm size fraction sulphur ,...

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Improved recovery of a low

The concentrate bulk or sequential from flotation stage should be further processed using pre-oxidation methods to liberate the locked gold and recover it by cyanidation Thus, one of the aims of this study was to evaluate selective and bulk flotation pre-concentration methods to find out which of these methods could produce better ....

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