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As a common method flotation separation is used to separate the sulfides from the tailings However the low sulfur content of tailings produces little economic benefit and secondary pollution is easily generated because of the large number of flotation reagents added during the process of flotation [9]
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This investigation addressed the processing of tailings with high sulphur content from an iron ore concentrator to produce pellet feed fines and to prevent acid mine drainage This study was the lab scale testing of an integrated method consisting of froth flotation combined with gravity and magnetic separation
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This process forming in any part at both active and abandoned mine sites where metal sulfides are exposed to air and water including rock waste and tailings is one of the single greatest environmental challenge in the mining sector [8 9 22]
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These tailings contain large amounts of pyrite FeS 2 and Iron II sulfide FeS which are rejected from the sought after ores of copper and nickel as well as coal Although harmless underground these minerals are reactive toward air in the presence of microorganisms which if not properly managed lead to acid mine drainage
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3 days agothe increase in cash cost per tonne processed compared to the comparative period is mainly due to lost production during q3 2024 due to repairs to the trunnion of the sag mill which is
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4 days agoThe reduction of inferred tonnage is due to a conversion of inferred to the indicated category and b the exclusion of near or below cut off grade material at the periphery of the
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Abstract A beneficiation experimental research is conducted on sulfur containing % lead zinc tailings from Fujian On the basis of the traditional mineral processing technology the first is pre classification by high frequency vibrating and then flotation magnetic united technology
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In this paper the mineral processing experimental study on the flotation tailings which are stored in the tailings pond of a copper molybdenum mine is conducted with a large content of slimes and kaolinite in the tailings and the fine particle sizes and poor locked particles of most of valuable minerals disseminated in the gangue minerals taken into consideration
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Mass balance analysis of tailings dewatering parameters and mixing plant Performance reviews and optimization of plant sections Hydraulic pumps and pipelines system analysis Time to time assisting the flotation team in dayly plant follow up parameters settings and solving troubleshooting Show more Show less
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Recycle the sulfur and iron from tailings Recover Chromite by Flotation 911 Metallurgist 2024 4 6 · Flotation Gora Ore Chemical analysis of the chromite mineral prompted investigation of using flotation to produce a concentrate containing 44 to 48 percent Cr2O3
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Jan 28 2021Pyrite Flotation These tests were aimed at separating the pyrite contained in the cyclone underflow so that they can be stored underwater in the fines area The flotation tails which contains low sulfur tailings with little or no acid generating capacity are currently being used as filler material in the construction of the dyke
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Tailings a by product of mineral processing contains toxic substances such as arsenic chromium nickel and cyanide Most mining companies mix tailings with water and dispose them behind tall dam in a large wet tailing impoundment These tailing ponds may release contaminated water during wet season especially during heavy rain seasons 3
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sulfur flotation tests The tailings from the sulfur flotation were subjected to halcopyrite c flotation to recover copper value a Effect of collector Sulfur is known for its hydrophobicity in nature Discrete sulfur particles can be expected to possess excellent flotability with a small amount of flotation reagent
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Jan 18 2021Since most of the sulfur in the residue existed as elemental sulfur which has good hydrophobicity and thus blank flotation without adding any reagents was first conducted The obtained tailing was used for the collector selection test whose flow sheet was displayed in Figure 4 a
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Sulfur flotation is a typical three phase solid liquid gas process Generally the operation of this type of process is nontrivial due to its complex and nonlinear dynamics which is a synthetical outcome of the intricate interactions between the reactants inlet conditions manipulated variables and disturbances
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1 day agoAbstract The authors discuss application of nitrogen oxygen sulfur heterocyclic agents as collectors and frothers in flotation of sulfide minerals Efficient collectors are the compounds which contain nitrogen heteroatom and sulfur atom in pendent group they can generate complex compounds including chelate with copper antimony and other metals in sulfide ore Compounds containing
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Gold Tailings Machine Gold Tailings Machine Suppliers and Alibaba offers 1 537 gold tailings machine products About 44% of these are mineral separator 1% are plastic extruders A wide variety of gold tailings machine options are available to you such as gravity separator flotation separator and magnetic separator Get Price
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Flotation tailings The operator of a waste water treatment plant was looking for a pump with dry run capability for his flotation system In the flotation system substances on the surface of the flotation tank are suctioned off using a rotating suction arm Previously an eccentric screw pump had been used for this purpose
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Download scientific diagram Sulfur phase distribution for the tailing product mass fraction % from publication Selective Flotation of Elemental Sulfur from Pressure Acid Leaching Residue of
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The flotation reagent consumptions are minimum Th e majority of chalcopyrite remains in the sulfur flotation tailings and can be readily recovered by flotation with different flotation reagents When amyl xanthate is used 85% of chalcopyrite can be recovered with a copper grade of % in a single stage froth flotation The chalcopyrite
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The invention aims to provide a method for flotation of high quality sulfur concentrates S>50% Cu<% which is good in separation effect strong in adaptability clean and nontoxic and can stably acquire acid making smelt slag and directly use the acid making smelt slag as an iron making raw material In order to realize the above purpose a technical scheme employed by the invention is
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The flotation process was used to recover cobalt and sulfur in the cobalt bearing V Ti tailings The results showed that an optimized cobalt sulfur concentrate with a cobalt grade of % sulfur content of % sulfur recovery of % and cobalt recovery and % were obtained by flotation process of one roughing three sweeping
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Under the conditions of the temperature 400℃ distillation time h and carrier gas flow rate 400 mL/min the recovery rate of sulfur element in flotation tailings can reach over 92% Ozone can promote the leaching of Fe Cu As Zn and other elements in sulfur tailings
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MS without thesis term project submission Publication submission with DOI Publication submission with DOI
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This investigation addressed the processing of tailings with high sulphur content from an iron ore concentrator to produce pellet feed fines and to prevent acid mine drainage This study was the lab scale testing of an integrated method consisting of froth flotation combined with gravity and magnetic separation
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Jan 18 2021An efficient flotation process was developed to selectively recover elemental sulfur from a high sulfur pressure acid leaching residue of zinc sulfide concentrate The process mineralogy analysis showed that the sulfur content reached % and % of the sulfur existed as elemental sulfur which was the major mineral in the residue and primarily existed as pellet aggregate and biconical
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Wasted from coal mining that mixed with the wasted of the coal washing product called Coals Tailing CT has a low calorific value high sulfur and ash content To upgrade its quality by increasing its calorific value and to reduce environmental pollution by reducing sulfur and its ashes coal must improve from its impurities one of which is to try with flotation method
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The flotation reagent consumptions are minimum The majority of chalcopyrite remains in the sulfur flotation tailings and can be readily recovered by flotation with different flotation reagents When amyl xanthate is used 85 % of chalcopyrite can be recovered with a copper grade of % in a single stage froth flotation
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The results showed that an optimized cobalt sulfur concentrate with a cobalt grade of % sulfur content of % sulfur recovery of % and cobalt recovery and % were obtained by flotation process of one roughing three sweeping and three cleaning under roughing conditions which employed pulp pH of 8 grinding fineness of
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in practice sulfide flotation plants operate at pulp potentials that are in the range of 50 to 200mv versus she grano 2024 and the value depends on the pulp ph type and quantity of sulfide minerals the type and quantity of grinding media rao et al 1976 and the amount of air pulp contact in and after the grinding circuit teague et …
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