Flotation of Antimony Ores with High Arsenic Content. Mustafa Özer. Physicochemical Problems of Mineral Processing. Today, in metal and oxide form of antimony is an important source of raw materials with its use in flame-retardants, lead-acid batteries, chemicals, ceramics, glasses, heat stabilizers and plastics. The factors that increase the ...
The technology of concentration of the sulfide antimony-arsenic gold-bearing ore containing 3.6 g/tn Au, 0.3% Sb, and 0.4% As is developed. This technology implies the flotation separation of antimonite and arsenopyrite into separate products and allows them to perform in various cycles, increasing production efficiency due to a decrease in consumption of sulfuric …
Existing Form: ① Natural compounds and intermetallic compounds, such as natural antimony, arsenic antimony ore; ② Sulfides and sulfide salts, such as stibnite, pyro-copper antimony ore, sulfide antimonite ... The antimony concentrate of the flotation machine will go to the thickener and then to the disc vacuum filter machine to get the ...
Antimony concentrate is produced by separating the bulk gold sulfide concentrate as flotation froth. Bulk-selective flotation is used for processing of arsenic-antimony ores. In this process, all sulfides are extracted in the concentrate. For selection, depressants are used to surpress pyrite and arsenopyrite flotation.
Especially for sulfide antimony ores, the most common beneficiation method is flotation. Therefore, antimony ore consisting of stibnite mineral obtained from Tokat-Turkey region was used in this study.
At present, more than 35% of China's gold resources (with a total amount of more than 1,000 tons) are difficult to be exploited and smelted, and about 700 tons of gold ores with high arsenic, antimony or sulfur are difficult to be directly cyanide leached (Lei et al., 2016).
Especially for sulfide antimony ores, the most common beneficiation method is flotation. Therefore, antimony ore consisting of stibnite mineral obtained from Tokat-Turkey region was used in this study. Due to the low antimony (5.06%Sb) and the high Arsenic (1.38%As) content, it is an important requirement to increase the Sb content of this ore ...
The technology of concentration of the sulfide antimony-arsenic gold-bearing ore containing 3.6 g/tn Au, 0.3% Sb, and 0.4% As is developed. This technology implies the flotation separation of antimonite and arsenopyrite into separate products and allows them to perform in various cycles, increasing production efficiency due to a decrease in consumption of sulfuric …
A study by Ealedona and Fujita (2006) revealed an important reduction in the arsenic content of the flotation concentrate (from 0.61% to 0.12% As), an increased recovery of …
Polyacrylamide is modified and innovatively used as an inhibitor of arsenite. Modified polyacrylamide can suppress the recovery rate of arsenite to less than 5%, while the recovery rate of stibnite is almost unaffected. Modified polyacrylamide is a naturally degradable, non-toxic, relatively inexpensive green agent, which has great potential application value in antimony …
Antimony and arsenic share the same primary group (Group VA) in the periodic table of elements and have comparable chemical characteristics [2,3]. They have both metallic and nonmetallic physical and chemical characteristics. Antimony and arsenic are primarily found in both III and V oxidation forms in the environment.
: Efficient evaluation of antimony ores, which are on the critical raw materials list due to the supply risk by the European Union, is an important necessity. In this context, ore preparation and enrichment processes are very important during the process from ore to metal. Especially for sulfide antimony ores, the most common beneficiation method is flotation. …
The high arsenic content of the flotation concentrate obtained from a gold-bearing enargite ore for pyrometallurgical processing strongly diminishes its market value.
Antimony (Sb) has received increasing environmental concerns due to its potential toxic and carcinogenic properties. In the present work, the electrocoagulation technique was used to treat the flotation wastewater from a heavy antimony polluted area, and the mechanism of removing Sb was also investigated.
Flotation tests were carried out on the arsenic-containing antimony sulfide ore by selective collector method and alkaline slurry method, and satisfactory results were obtained.
The technology of concentration of the sulfide antimony-arsenic gold-bearing ore containing 3.6 g/tn Au, 0.3% Sb, and 0.4% As is developed. This technology implies the flotation separation of antimonite and arsenopyrite into separate products and allows them to perform in various cycles, increasing production efficiency due to a decrease in consumption of sulfuric acid for bacterial …
Rejection of deleterious impurity minerals containing antimony and bismuth from sulphide deposits by flotation has been reviewed. The key antimony minerals of commercial interest to remove are stib... Skip to main content ... Woodcock JT. 2007. The flotation of metallic arsenic as a function of pH and pulp potential – A single mineral study. ...
In this study, a combined process of alkaline pressure oxidative leaching (APOL) and Na 2 S leaching was proposed to extract arsenic and antimony from high arsenic smelter ash. The arsenic was selectively dissolved into the leachate during APOL, while the antimony was separated into the residue as insoluble NaSb(OH) 6.The effects of different process …
The technique route includes three stages: arsenic and antimony xides were leached from the copper smelter dust with hydrochloric acid; trivalent arsenic ions (As 3+) were then reduced to less toxic simple arsenic (As) by sodium hypophosphate (NaH 2 PO 2) and recovered; and stepwise recovery of antimony by SbCl 3 was achieved by the ...
While antimony (Sb) and arsenic (As) co-contamination in subsurface soil systems due to the legacy of Sb smelting wastes has been documented, the role of inherent heterogeneity on pollutant migration is largely overlooked. Herein this study investigated Sb and As migration in a slag impacted, vertically stratified subsurface at an abandoned Sb smelter.
In Zimbabwe antimonite is mined together with lead and arsenic which are regarded as contaminants and hence the need to selectively remove them. We report on the selective …
The Flame Atomic Absorption Spectroscopy (FAAS) and X-Ray Florescence (XRF) analytical techniques were used to measure the changes in concentrations of antimony, lead and arsenic during...
system to arsenic, antimony, and mercury bearing materials. The equations that describe the antimony and mercury dissolution are similar to the equations presented above for arsenic and therefore they won't be presented here. Also, due to space constraints, only the leach results for a series of lead smelter products will be shown in this paper.
antimony flotation concentrate. Investigation of feed material has been occurred. Mineralogical ... Exceptions to this rule would include arsenic, tin and mercury [ 8, 9].
Özer, Flotation of antimony ores with high arsenic content, Physicochemical Problems of Mineral Processing, № 58 Panjin, Research progress on arsenic removal by flotation of arsenic-containing copper sulfide ore, Multipurpose Utilization of Mineral Resources, № 05, с. 45 ...
Keywords: antimony, arsenic, flotation, rougher, cleaning 1. Introduction Today, in metal and oxide form of antimony is an important source of raw materials with its use in flame-retardants, lead-acid batteries, chemicals, ceramics, glasses, heat stabilizers and plastics. The
In this study, flotation parameters as pH, the type and dosages of collector and depressor, number of cleaning stages and flotation time were investigated in order to obtain …
Due to the low antimony (5.06%Sb) and the high Arsenic (1.38%As) content, it is an important requirement to increase the Sb content of this ore by flotation, as well as to …
Antimony is a non-renewable strategic mineral resource and an indispensable and important raw material for modern industrial development. With the high-intensity resource mining in recent years, the consumption of antimony resources is too large. Antimony beneficiation methods are important to improve the recovery rate of antimony ore.
An example of this material is the tailings from the stibnite flotation process (Güven et al., 2012, Radková et al., 2020). In general, this type of tailings contains toxic elements such as remaining unrecovered antimony (Sb), arsenic (As), and iron (Fe) in sulfide mineral form and precious metals such as Au and Ag (Wu et al., 2019).
The crude concentrate obtained by the flotation of the lead xanthate collector by the action of lead nitrate is selected by the alkaline slurry method for the separation of antimony-arsenic separation and anti-flotation, and the fine antimony concentrate and arsenic concentrate can also be obtained. The concentrate grade is 55.59%, the recovery ...
Request PDF | On Apr 30, 2019, T. N. Matveeva and others published Developing a selective flotation process for antimony and arsenic sulfides in complex gold ore processing | Find, read and cite ...
In this process, antimony was recovered in a single step in the form of cathode antimony (> 98%), thereby resolving the technical problem of antimony and arsenic separation and hence, preventing ...
Semantic Scholar extracted view of "Low-Alkalinity flotation separation of antimony and arsenic minerals with modified polyacrylamide" by Jiaqi Lu et al.
The volatilization of arsenic (As) and antimony (Sb) impurities in a copper ore consisting of tennantite (Cu 12 As 4 S 13)/tetrahedrite (Cu 12 Sb 4 S 13) by roasting in both nitrogen and air atmospheres was investigated in this study.The roasting experiments were performed at different temperatures ranging from 500 to 1200°C and different retention times from 15 to 60 minutes …