scholarly journals Flotation enrichment of antimony ore using the environmentally friendly reagent-collector KCSb

2021 ◽  
Vol 6 (2) ◽  
pp. 221-228
Author(s):  
G. V. Mikheev ◽  
S. A. Bogidaev
Keyword(s):  
Environmentally Friendly ◽  
Operating Parameters ◽  
Flotation Process ◽  
Antimony Content ◽  
Model Experiments ◽  
Antimony Oxides ◽  
Oxide Minerals ◽  
Flotation Concentration

The problems of extraction and processing of antimony ores are analyzed. The reagent-collector of oxide forms of antimony KCSb is described. It is used to develop operating parameters of the flotation concentration of ore at the Zhipkhosha deposit. The semi-industrial model experiments identified that KCSb is more efficient thatn other known reagents used to enrich antimony oxides. The operating technological conditions of the flotation process were optimized; the use of a collecting reagent indicates the expediency and effectiveness of its use. This fact was confirmed by technical and economic calculations, according to which the profit was up to 30 million rubles per 1 million of processed ore per year. An increase in the resulting product in the form of concentrate was 700–800 tons with 32–36% antimony content, which corresponds to the KSUF-3. This method can be used by antimony deposits containing oxide minerals (10% or more). 

scholarly journals Utilization of slaked lime for the regulation of pH value in the process of copper

2009 ◽  
Vol 63 (1) ◽  
pp. 61-66
Author(s):  
Aleksandar Petkovic ◽  
Sonja Petkovic ◽  
Srdjana Magdalinovic
Keyword(s):  
Ball Mill ◽  
Ph Value ◽  
Gas Production ◽  
Flotation Process ◽  
Total Cost ◽  
Milk Glass ◽  
Slaked Lime ◽  
L Value ◽  
Flotation Concentration ◽  
Storage Place

The investigations of used lime at plant from company Messer-Tehnogas, Belgrade, were in the aim to improvement technologically results from flotation concentration of copper minerals in flotation plant Veliki Krivelj. This paper shows usage of slaked lime, which is waste in the process of technical gas production, for regulation of pH value in the process of copper minerals flotation concentration. It is important to point out that slaked lime is a waste material that is not dangerous. Preparation and dosage includes preparation procedures, which enable introduction into flotation process with the aim of achieving better results. Lime from Limekiln Zagradje is brought into four storage places in flotation. Volume of each storage place is 80 m3. Lime in pieces from storage place is added by airbladders on transportation line and by system of transportation lines lime gets to the ball mill. At the mill entrance water is added and then follows lime grinding. Milk glass of lime thus prepared goes to the pump basket from where is transported by pipeline to conditioner, and then by manual and (or) automatic valves it is dosed to the flotation concentration of copper minerals process. Prospect of advancement and rationalization of the used lime in flotation plant Bor, Veliki Krivelj and Majdanpek as well as a way to link different branches of industry was demonstrated. Total cost of lime supplying, transporting, preparation and distribution related slaked lime is lower for 2.955 din/kg. Particularly, using lime from Messer in content of 2.1 g/l value of pH 11.82 is possible to obtain.

scholarly journals Extraction of Phosphorous from a Phosphorous-Containing Vanadium Titano-Magnetite Tailings by Direct Flotation

Processes ◽  
2020 ◽  
Vol 8 (7) ◽  
pp. 874 ◽  
Author(s):  
Junhui Xiao ◽  
Chao Chen ◽  
Wei Ding ◽  
Yang Peng ◽  
Tao Chen ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Paraffin Wax ◽  
Low Grade ◽  
X Ray Diffraction ◽  
Flotation Process ◽  
X Ray ◽  
Pine Oil ◽  
Flotation Concentration ◽  
Scanning Electron

In this study, there is 1.42% P2O5 in the P-containing V-Ti magnetite tailings in Miyi Region of China, with the valuable minerals mainly including apatite, and aluminosilicate minerals as the main gangue components. The direction flotation process was used to recover phosphorous from the low-grade phosphorous-bearing V-Ti magnetite tailings. The results showed that an optimized phosphorous concentrate with a P2O5 grade of 31.35% and P2O5 recovery of 88.02% was obtained by flotation process of one roughing, three scavengings, and three cleanings under roughing conditions, which employed pulp pH of 9, grinding fineness of <0.039 mm occupying 90%, flotation concentration of 25%, and dosages of carboxymethylcellulose, oxidized paraffin wax soap, and pine oil of 400 g/t, 300 g/t, and 20 g/t, respectively. Optimized one scavenging, two scavenging, and three scavenging conditions used a pulp pH of 9, and dosages of carboxymethylcellulose, oxidized paraffin wax soap, and pine oil of 200 g/t, 150 g/t, 10 g/t; 100 g/t, 75 g/t, and 5 g/t; and 100 g/t, 75 g/t, and 5 g/t, respectively. Optimized one cleaning, two cleaning, and three cleaning condition dosages of carboxymethylcellulose of 100 g/t, 50 g/t, and 25 g/t, respectively. Study of analysis and characterization of phosphorous concentrate by X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy dispersive spectroscopy (EDS) show that most gangue minerals enter the flotation tailings, the main minerals in phosphorous concentrate are apatite, olivine, and feldspar.

scholarly journals Recovering Cobalt and Sulfur in Low Grade Cobalt-Bearing V–Ti Magnetite Tailings Using Flotation Process

Processes ◽  
2019 ◽  
Vol 7 (8) ◽  
pp. 536 ◽  
Author(s):  
Xiao ◽  
Zhang
Keyword(s):  
Copper Sulfate ◽  
Metal Sulfide ◽  
Raw Material ◽  
Low Grade ◽  
Sulfur Recovery ◽  
Butyl Xanthate ◽  
Flotation Process ◽  
Pine Oil ◽  
Cobalt Recovery ◽  
Flotation Concentration

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. The results showed that an optimized cobalt–sulfur concentrate with a cobalt grade of 2.08%, sulfur content of 36.12%, sulfur recovery of 85.79%, and cobalt recovery and 84.77% 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 < 0.074 mm occupying 80%, flotation concentration of 30%, and dosages of butyl xanthate, copper sulfate, and pine oil of 100 g/t, 30 g/t, and 20 g/t, respectively. Optimized one sweeping, two sweeping, and three sweeping conditions used a pulp pH of 9, and dosages of butyl xanthate, copper sulfate, and pine oil of 50 g/t, 15 g/t, 10 g/t; 25 g/t, 7.5 g/t, 5 g/t; 20 g/t, 5 g/t, 5 g/t, respectively. Optimized one cleaning, two cleaning, and three cleaning condition dosages of sodium silicate of 200 g/t, 100 g/t, 50 g/t, respectively. Study of analysis and characterization of cobalt–sulfur concentrate by X-ray diffraction (XRD), automatic mineral analyzer (MLA), scanning electron microscopy (SEM), and energy dispersive spectroscopy (EDS) showed that the main minerals in cobalt–sulfur concentrate are FeS2, Co3S4 and (Fe,Co)S2, of which FeS2 and (Fe,Co)S2 accounted for 65.64% and Co3S4 for 22.64%. Gangue minerals accounted for 11.72%. The element Co in (Fe,Co)S2 is closely related to pyrite in the form of isomorphism, and the flotability difference between cobalt and pyrite is very small, which makes it difficult to separate cobalt and sulfur. Cobalt–sulfur concentrate can be used as raw material for further separation of cobalt and sulfur in smelting by pyrometallurgical or hydrometallurgical methods.

ANTIMONY OXIDE FORM ENRICHMENT LINE ON THE EXAMPLE OF THE «ZHIPKHOSHA» FIELD

2021 ◽  
Vol 27 (5) ◽  
pp. 36-43
Author(s):  
G. Mikheev ◽  
◽  
S. Bogidaev ◽  
Keyword(s):  
Russian Federation ◽  
Antimony Oxide ◽  
Processing Plant ◽  
Economic Calculation ◽  
Antimony Content ◽  
Associated Production ◽  
Antimony Oxides ◽  
The Russian Federation ◽  
Difficult Times ◽  
Ore Dressing

The antimony industry in the Russian Federation is currently experiencing difficult times. The main enterprise that produces and enriches antimony today is GeoProMining LLC, which owns a processing plant at the Syralakhskoye field (Yakutia), where the ore of the Sentanchansky field is processed, production on a smaller scale is carried out in the Krasnoyarsk Territory at the Udereyskoye field of the Novoangarsky GOK, and associated production is carried out at the Olympiadinsky GOK from the tailings of the gold-antimony ore enrichment. Many fields are not being developed at all. The reason for this is the profitability of the development and processing of antimony deposits, due to the low price of metal and the difficulty of obtaining conditioned concentrates due to the presence of metal oxide forms in antimony-containing deposits. Oxide forms of metal in deposits occur in the form of lenses and films, which complicates the enrichment (extraction) of such metal due to the lack of methods and methods or the high cost of processing. The article presents the relevance of the problem of extraction and processing of antimony ores. The reagent-collector of antimony oxide forms KCSb is presented and, based on its application, the parameters of flotation ore dressing of the Zhipkhosha deposit are developed, which contributes to a significant increase in metal recovery. It is noted that the use of КCSb is more effective in comparison with other known reagents used for the enrichment of antimony oxides. The results of studies of this collector reagent, when it is introduced into the technological scheme of flotation of antimony oxide forms, are obtained, which indicate the feasibility and effectiveness of its use. This fact is confirmed by a technical and economic calculation, according to which the conditional profit is 30-31 million rubles per 1 million processed ore per year. The increase in the resulting products (concentrate) is about 700-800 tons, with a quality (antimony content) of 32-36 %, corresponding to the KSUF-3 brand. This method is recommended for use in various antimony and antimony-containing deposits containing oxide minerals (from 10 % or more)

scholarly journals Research on modeling the technology of processing anthropogenic old tailings of Primorsky Concentrating Factory

2020 ◽  
Vol 192 ◽  
pp. 02011
Author(s):  
Elena Shepeta ◽  
Natalia Litvinova ◽  
Marina Bubnova ◽  
Mehmet Bilen
Keyword(s):  
Mass Fraction ◽  
Experimental Studies ◽  
Sand Fraction ◽  
Flotation Process ◽  
Flotation Machine ◽  
Average Mass ◽  
Scheelite Concentrate ◽  
Concentration Degree ◽  
Flotation Concentration

The possibility of processing old tailings of the Primorsky Concentrating Factory (PCF) has been assessed. The average mass fraction of WO3 is 0.08%, Cu is 0.052%, the average content of Au is 0.38 ppm, Ag is 1.1 ppm. The grain size of scheelite and chalcopyrite is from 0.03 mm and below. Basically, intergrowths of scheelite are in quartz, less often is in pyroxene, chalcopyrite is in pyrrhotite, less often is in quartz. The results of experimental studies of the washability of secondary mineral material using flotation and gravity beneficiation methods are presented. The possibility of intensifying the flotation process of concentration using a Pneuflot® flotation machine was investigated. The recovery of scheelite at the same degree of concentration using a Pneuflot® flotation machine is 16.5% higher compared to the standard mechanical flotation machine, mainly due to the more efficient flotation (1.5 times) of sludge (-15+0 μm). Flotation of the sand fraction of old tailings (SFOT) in a Pneuflot® flotation machine showed an opportunity of scheelite recovery into enriched concentrate of rough flotation from -44+15 microns material by 82%, and -15+0 microns (from sludge) by 75% of those classes, the case being for the mechanical machine (volume 3 l) – 77% and 49% of those classes, respectively. The content of the obtained flotation concentrate corresponds to the quality of the feed of rough scheelite flotation at PCF (at a concentration degree of 8.5 in the enriched product, the scheelite recovery was 69%), enabling to integrate it to the technological scheme of PFC. According to the combined gravity-flotation concentration scheme, a conditioned scheelite concentrate with a mass fraction of 70.9% WO3 was obtained, throughout recovery being 57.3%.

Study on Floatability and Separation of High Ash and Difficult Floatable Coal

2012 ◽  
Vol 502 ◽  
pp. 96-100 ◽  
Author(s):  
Gan Chen ◽  
Li Qiang Ma ◽  
Ji Hui Ii ◽  
Zeng Chuan Yue ◽  
Xian Ming Xue
Keyword(s):  
Surface Properties ◽  
Process Intensification ◽  
Separation Process ◽  
Coal Slurry ◽  
Flotation Process ◽  
Existing Problems ◽  
Coal Slime ◽  
Flotation Concentration ◽  
Analytical Approaches ◽  
Inflation Volume

According to the actual demand of scare coal resources in our country, there is a vital significance in the study on strengthening separated process of high ash and difficult floatable coal. In terms of the limitations and deficiencies of process intensification and flotation efficiency at home and abroad, by means of experimental and analytical approaches, the surface properties of scarce coal slime separation process and process intensification were focused on in this paper. The association between mineral dissemination and variation during flotation process was also focused on. The superficial properties of difficult floatable coal slurry and the existing problems of the traditional reagents in the separating process of difficult floatable coal were analyzed. The reagents dosages suitable for coal slime with high ash were proposed. In the process, kerosene and octanol were respectively taken as collector and frother. The conclusions were obtained that kerosene dosage was 320g/t, Octanol dosage was 110g/t, flotation concentration was 100g/L, and inflation volume was 0.37m3/m2•min.

A New Biohydrometallurgical Method for Processing of Deep-Sea Mineral Resources

2009 ◽  
Author(s):  
Yasuhiro Konishi ◽  
Norizoh Saitoh ◽  
Takashi Ogi
Keyword(s):  
Deep Sea ◽  
Mineral Resources ◽  
Environmentally Friendly ◽  
Sulfide Minerals ◽  
Experimental Results ◽  
Metal Extraction ◽  
Valuable Metals ◽  
Oxide Minerals ◽  
Hydrothermal Sulfides

This paper concentrates on the application of a biohydrometallurgical method for processing deep-sea mineral resources. Bioleaching technologies developed for terrestrial sulfide minerals now can be applied for metal extraction from deep-sea hydrothermal sulfides. However, little attention has been given to the bioleaching of terrestrial oxide minerals. A potentially attractive bioleaching system using the Fe(III)-reducing bacterium has recently been proposed for manganese crusts and nodules. Experimental results obtained from these systems demonstrate that bioleaching is an economical and environmentally friendly processing avenue to recover valuable metals from deep-sea mineral resources.

The Harmonious Design on the Beneficiability of the Pt-Pd Ores Containing High-MgO Gangues in Yunnan

2013 ◽  
Vol 634-638 ◽  
pp. 3551-3557
Author(s):  
Min Tang ◽  
Shu Ming Wen
Keyword(s):  
Thermodynamic Properties ◽  
Promising Method ◽  
Flow Sheet ◽  
Leaching Tests ◽  
Flotation Process ◽  
Copper Nickel ◽  
Sulfide Flotation ◽  
Flotation Concentration

Flotation characteristics of the fine-disseminated copper-nickel sulfides containing Pt and Pd and thermodynamic properties of high amounts of serpentine gangues by diluted acidic leaching in the ore sample of Yunnan were investigated by bench flotation tests and acidic leaching tests and their combination tests have also been conducted to exploit the harmonious design to extract all the values from the ore sample. Based on the results of bench flotation tests, it has been suggested that traditional flotation with the target of only metallic values in the ore was not available and profitable due to the fact that it was inevitable of the deteriorated dilution of serpentines in the flotation concentration using common various kinds of flocculants or depressants, in which the content of MgO in the concentrate was around 20.0%, while leaching tests by waste acids from producing TiO2 indicated that this may be a promising method to extract MgO andα-Fe2O3 from the ore sample, since it can weaken the disturbance of serpentines significantly and lead a satisfied results of the Cu-Ni sulfide flotation. In this study, a harmonious flow-sheet, which involves leaching by waste acids and traditional flotation process, had been designed with the objective of extracting the metallic values and two non-metallic products, which includesα-Fe2O3 and MgO, from the ore sample. It is worthy noticed that the acidic waste liquids from a TiO2 company in Panzihua was used as leaching agent, which can dissolve 98.81% Mg2+ and 78.43% Fen+ with little Ni2+ and Cu2+. By the comparison of the flotation results and benefits between traditional flotation alone and harmonious design, besides the two more qualified non-metallic products, α-Fe2O3 and MgO, a better concentrate containing a grade of only 2.64% MgO at the grades of 2.58% Cu, 2.97% Ni and 81.02 g/t Pt+Pd with the recoveries of 93.79% Cu, 83.14% Ni and 79.19% Pt+Pd respectively, were harvested from the harmonious design.

scholarly journals An optimal technological scheme for flotation concentration of gold-copper-arsenic ores of the Taror deposit (Republic of Tajikistan)

2021 ◽  
Vol 25 (4) ◽  
pp. 498-508
Author(s):  
M. M. Solikhov ◽  
A. V. Aksenov ◽  
M. I. Karimov ◽  
G. G. Mineev ◽  
O. B. Rakhmanov
Keyword(s):  
Phase Analysis ◽  
Gold Recovery ◽  
Technological Scheme ◽  
Flotation Process ◽  
Chemical Phase ◽  
Ore Mineralization ◽  
Refractory Ores ◽  
Flotation Concentration ◽  
Primary Type ◽  
And Control

This article investigates the effect of material size on the efficiency of flotation concentration of gold-copperarsenic ores of the Taror deposit (Republic of Tajikistan) and studies the dependence of gold recovery on the duration of the process with the purpose of developing an alternative technological scheme for processing this ore type. According to X-ray phase analysis, Taror ore samples consist of rock-forming minerals by 92%. Ore mineralization is represented by sulphide minerals, mainly arsenopyrite, chalcopyrite and pyrite, in the total amount of 8%. Ore-forming elements include iron, sulphur, arsenic and copper with the mass fraction of 6.02%, 3.26%, 1.52% and 0.82%, respectively. Gold and silver are contained in the ore in the amount of 7.35 g/t and 20.28 g/t, respectively. The oxidation state of the ore calculated by iron comprises 51.3%. According to this indicator, this ore type can be distinguished as mixed, close to the primary type. According to the conducted chemical phase analysis of gold, this ore type belongs to the category of refractory ores. Flotation concentration experiments showed that grinding the original ore to a size of 95%–71 microns increases the recovery of gold in the concentrate by 10%, compared to grinding to a particle size of 80%–71 microns. The effect of the flotation process duration on gold recovery was also studied. To achieve the maximum gold recovery in the flotation concentrate, the duration of the main flotation and control flotation should be taken equal to 14 and 12 minutes, respectively. As a result of the experiments, a relatively simple technological solution was proposed for flotation concentration of the Taror ore, which includes the main, control and cleaning stages of flotation.

Current Developments in Precious Metal Plating for the Semi - Conductor/Micro - Electronics Markets

2015 ◽  
Vol 2015 (1) ◽  
pp. 000112-000120
Author(s):  
Steven Burling ◽  
Gary Nicholls ◽  
Stewart Hemsley ◽  
Sadayuki Nagatomo ◽  
Kazuhiko Shiokawa
Keyword(s):  
Electronic Packaging ◽  
Precious Metal ◽  
Environmentally Friendly ◽  
Pure Gold ◽  
Operating Parameters ◽  
Gold Plating ◽  
Plating Bath ◽  
Metal Plating ◽  
Metal Finishing

How the metal finishing (plating) industry is meeting the technical demands of the Microelectronic market as the demand of smaller, lighter, faster, cheaper moves on relentlessly. This paper will focus in particular on Pure Gold Plating, Silver Plating and Palladium Plating for this market. Electrolytic, electroless and immersion processes will be covered outlining the operating parameters and defining applications in particular to the rapidly changing electronic packaging market within microelectronics. In this market the effects of contamination on the deposit compositions, e.g. comparing a Modern Pure Gold Plating bath with traditional Pure Gold Plating processes, can be significant and will be discussed in detail. Details on silver plating for LED applications will also be covered in this paper. How these products are moving towards more Environmentally Friendly low and non-cyanide systems will also be shown.

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