lead slag flotation

Flotation Reagents
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This data on chemicals and mixtures of chemicals in froth flotation with some of the more common flotation reagents and their us...

Lead recovery by flotation with sodium lauryl sulfate
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Flotation Table 3 shows the effect of the SLS concentration on the lead recovery at pH 10 The recovery increases with the concentration a recovery of 79 is possible with a 10-3 M collector solution 4 Conclusions The possibility of lead recovery from metallurgical slag by flotation using sodium lauryl sulfate was studied...

PDF SEM study of a lead
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PDF Companies producing lead-acid batteries are required by law to recycle their battery scrap The recycling can be performed by a pyrometallurgical Find read and cite all the research...

Metal losses in pyrometallurgical operations
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May 01 2018 0183 32 Metallic and sulphide particles can be flotated from ground slag However metals dissolved in slag are not recoverable by froth flotation Moreover too small particles not exposed in the grinding of slag are lost with flotation residue The concentrate from slag flotation can then be re-circulated back to the smelting stages 512 Leaching...

Selective Sulfidation of Lead Smelter Slag with Pyrite and
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The selective sulfidation of lead smelter slag with pyrite in the presence of carbon and Na salts and the flotation behavior of synthetic ZnS were studied The effects of temperature time pyrite dosage Na salts and carbon additions were investigated based on thermodynamic calculation and correspondingly the growth mechanism of ZnS particles was studied at high temperatur...

PDF Leaching of Metals from Flotation Tailings of a
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This study investigated leaching of metals ie Cu Co and Zn from flotation tailings of a copper smelter slag using sulphuric acid solutions in the absence/presence of hydrogen peroxide...

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

Effects of sodium salts on the sulfidation of lead
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Jul 01 2017 0183 32 For lead smelter slag it was found that Na 2 CO 3 additive could promote the sulfidation and recovery of zinc but a satisfactory flotation result was always not achieved This is attributed to the fact that the zinc contained in the slag are mainly in the form of amorphous silicates and ferrites resulting in the generated ZnS crystals with...

Lead processing
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Lead processing - Lead processing - Mining and concentrating Once the ore is removed from veins narrow channels or lodes roughly spherical deposits in the Earth usually at depths of about 60 metres the ore is treated at concentrating mills Here the ore is finely crushed sometimes to particle diameters of less than 01 millimetre 0004 inch and then treated by one of several mineral...

processing lead flotation
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processing lead flotation Efficient Thickener Efficient Thickener Hydraulic Motor Driving Center Thickener Hydraulic Motor Driving Center Thickener Grid Type Ball Mill Grid Type Ball Mill Submerged Slurry Pump Submerged Slurry Pump Agitation Tank For Chemical Reagent...

Lead recovery from
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flotation process for the recovery of lead from a metallurgical slag composed by 169 PbO 298 SO 3 and 416 Fe 2 O 3 Flotation tests were performed on a pilot scale with a processing capacity of 40 kg/h using metallurgical slag samples from metallic lead by Acumuladores Moura automotive battery manufacturer The...

Refining Slag Treatment with Flotation Cell ScientificNet
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In this paper the advantages and difficulties to process refining slag by flotation method are discussed based on property analysis of copper refining slag The refining slag is featured by high specific gravity high concentration and its particles distributing at both ends of small and large size...

Selective Sulfidation of Lead Smelter Slag with Pyrite and
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May 27 2016 0183 32 The selective sulfidation of lead smelter slag with pyrite in the presence of carbon and Na salts and the flotation behavior of synthetic ZnS were studied The effects of temperature time pyrite dosage Na salts and carbon additions were investigated based on thermodynamic calculation and correspondingly the growth mechanism of ZnS particles was studied at high temperatur...

PDF Flocculation for improving the processing of slag
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Slag from lead-zinc metallurgy is rich i n copper iron preci ous metals and other valuable components According to some estimates these components ca n be profi tably extracted Jeanette et al...

Lead smelting
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A combination of molten lead and slag sinks to the bottom of the furnace with a layer of the lightest elements referred to as speiss including arsenic and antimony floating to the top of the molten material The crude bullion and lead slag layers flow out of the furnace front and into the forehearth where the two streams are separated...

How lead is made
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Nevertheless lead particles do reach the atmosphere and in the United States federal regulations attempt to control how much is allowable Most of the solid waste product produced by the smelting process is a dense glassy substance called slag This contains traces of lead...

BENEFITS OF HIGH INTENSITY FLOT ATION AT THE HEAD
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affects causing an increase in smelter slag viscosity and higher metal losses to slag Historically treatment has consisted of flotation followed by depression often with ambiguous results Hoffman et al 1965 and Lyon et al 1971 Investigation by Grano et al 1990 identified the natural floatability of carbonaceous pyrite...

Dore slag treatment
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I claim 1 A method of treating dore slag which comprises the steps of grinding the slag mixing the obtained pulp with water to form a slurry adding a suitable collector to the slurry for selective flotation of precious metals adding a suitable frother aerating the slurry to produce a precious metals concentrate in the form of a froth on top of the slurry and separating said concentrate...

Minerals Engineering Conferences
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The role of slag chemistry in the design of freeze linings for zinc slag fuming E Jak and P Hayes University of Queensland Australia Flotation of lead-zinc or Effect of high chrome grinding media on zinc depression in a lead cleaner circuit J Kinal Magotteaux Pty Ltd Australia Effect of dispersion on the flotation of a lead-zinc...

Probing Study on Separating Pb Zn and Fe from Lead Slag
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Their flotation test revealed that the obtained concentrate contains 3276 Zn and the total recovery rate of Zn is 8817 18 Wang et al applied fuming process to treat lead slag and found the Zn volatilization rate can up to 83 3 Nevertheless only one or two metals have been recycled via these processes and most valuable metals have not...

Physicochemical properties of slags produced at various
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Apr 18 2016 0183 32 In the process of lead production from lead-bearing materials generated in copper metallurgy a large amount of hazardous waste in the form of slag is produced To assess the effect of the slag on the environment its physicochemical properties were determined In this study the following methods were used wavelength dispersive X-ray fluorescence WD XRF X-ray diffraction XRD...

Probing Study on Separating Pb Zn and Fe from Lead Slag
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Lead slag was mixed with coal and additive and treated in a laboratory tube furnace In the process of direct reduction Pb and Zn compounds were reduced to ele-mentary substances and entered into flue gas as dust Fe was reduced to metallic iron and separated from flotation test revealed that the obtained concentrate contains...

Mineração SEM study of a lead
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flotation process for the recovery of lead contained in a metallurgical slag consist - ing mainly of iron lead The slag is gener - ated by the industrial metallurgical process used at Acumuladores Moura Company for recycling used batteri Froth flotation is the main and most widely used tech-nique for mineral processing it is based...

Leads Lags and Floats
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Lead smelting - Wikipedia...

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