Stibnite froth flotation: A critical review
Highlights. •. Froth flotation plays a key role in the recovery of stibnite from primary and secondary sources. •. A critical literature review on stibnite flotation had not been undertaken for over 3 decades. •. This exhaustive review covers multiple flotation scales, from laboratory to industrial testwork. •.
Floatability of Low-Oxidizable Molybdenum and Antimony …
Flotation is the main method of industrial processing of molybdenum-bearing and gold-antimony sulfide ores. Molybdenum is used in ferrous metallurgy as an alloying additive in steelmaking. The main industrial sulfide mineral molybdenite (MoS 2 ) quite often contains rhenium and selenium in the form of isomorphic impurity, which are in demand …
Fault Condition Recognition Based on Multi-scale Texture …
The application results show that this method of froth image clustering with feature semi-supervision can provide key technical support for the accurate control of the dosage of reagents and the quality of clean coal product in the coal flotation production process, reduce the cost of re agents and the number of production accidents, improve the …
Flotation concentration of the sulfide antimony-arsenic gold-bearing
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 …
Reagent Dosage Control for the Antimony Flotation …
A reagent dosage hybrid control strategy for the antimony flotation process is proposed in this work. This strategy consists of two parts: reagent dosage tracking …
Record antimony production at Olimpiada
Nils Backeberg. Polyus, Russia's largest gold producer, has reported record antimony contained in flotation concentrate production from its Olimpiada mine in H1 2023. In …
Rejection of antimony and bismuth in sulphide flotation – a literature
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 stibnite, tetrahedrite, and jamesonite, while the main bismuth mineral is bismuthinite. The most promising methods for separating antimony and bismuth ...
Stibnite froth flotation: A critical review
Typical antimony content in the feed to flotation varies widely among stibnite froth flotation testwork carried out in the reviewed studies, which covers …
Coordinated optimization setting of reagent dosages in
Considering the influence of reagent adjustment in different flotation bank on the final production index and the difficulty of establishing an effective mathematical model, a coordinated optimization method for dosage reagent based on key characteristics variation tendency and case-based reasoning is proposed. On the basis of the expert …
Antimony Sb Ore Flotation Concentrates
The Antimony Sb conentrates and ore we purchases: Antimony is a silvery- white metal that is found in the earth' s crust. Antimony ores are mined and then mixed with other …
A working condition recognition method based on
Fig. 1 shows the typical diagram of gold–antimony flotation process. Rougher flotation is the first step of flotation after the gold–antimony ore is ground, mixed with water and classified. Rougher flotation products include the rougher froth and the pulp, and the froth is located above the pulp in the rougher flotation cell.
Removal of antimony from antimony mine flotation wastewater by
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 investi …
Online detection of concentrate grade in the antimony flotation …
The entire antimony flotation procedure and its online capture of the mixed minerals' Raman spectra in the layer from the cleaner cell are illustrated in Fig. 1. As shown in Fig. 1, the unprocessed antimony ore is crushed into micron-sized particles, mixed with water to create a slurry, and then supplied into a mixing tank. ...
Removal of antimony from antimony mine flotation …
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.
Potential of Equisetum ramosissimum Desf. for remediation of antimony
A flooding event caused collapsing of the Stolice flotation tailing dam and spilling of large volumes of sludge into environment. ... Potential of Equisetum ramosissimum Desf. for remediation of antimony flotation tailings: a case study Int J Phytoremediation. 2019;21(7):707-713. doi: 10.1080/15226514.2018.1556590. Epub 2019 Jan 18. ...
Online detection of concentrate grade in the antimony flotation …
Froth flotation is the most critical process for separating stibnite from raw ore. Concentrate grade is a vital production indicator in the antimony flotation process. It is a direct reflection of the product quality of the flotation process and an essential basis for the dynamic adjustment of its operating parameters. Existing methods of measuring …
Online detection of concentrate grade in the antimony flotation …
Finally, the application of Froth-CapsNet to monitor the working conditions of the antimony flotation process indicates that this model can provide a guide for operators to precisely adjust the ...
Flotation of Antimony Ores with High Arsenic Content
Antimony ore samples (mean assay 18. 7 per cent antimony) from Endeavour Inlet, Marlborough Sounds, New Zealand, were tested for upgrading by flotation to a saleable product ( greater than ...
Reagent Dosage Control for the Antimony Flotation …
A reagent dosage hybrid control strategy for the antimony flotation process is proposed in this work. This strategy consists of two parts: reagent dosage tracking control based on a froth size probability density function (PDF) and reagent dosage compensation control based on a distributed-machine vision predictive model. The proposed method …
Shape-weighted bubble size distribution based reagent predictive
Antimony flotation is a complicated industrial process with an unknown system structure. Manual manipulation is still widely used by observing the froth appearance, which relies on operators' experience. Therefore, this paper proposes a reagent predictive control strategy for the antimony flotation process based on machine …
Antimony: Unveiling Its Uses, Properties, and Health Impacts
Antimony is a chemical element with the symbol Sb and atomic number 51. It is a lustrous gray metalloid that belongs to the nitrogen group. Antimony has been used for centuries in various applications, including as a component in alloys, flame retardants, and medicines. It is also used in the production of semiconductors and as a catalyst in …
Flotation and adsorption mechanism studies of antimony …
The variation of flotation recovery for antimony sulfide, iron sulfide and cadmium sulfide with different pH value were shown in Fig. 3 (a) under 25 ℃. During flotation process, the concentrations of HpODT and SIBX were 5 × 10-5 mol·L-1 respectively. It indicated that under experimental pH range (pH 3.0 ~ 11.0), the collecting …
HOME | usantimony
USAC operates the only significant antimony smelter in the United States and it is in a "sold out" condition. The Company has proven experience in underground and open pit mining, flotation and gravimetric milling, crushing and screening, dry grinding, cyanide …
Fault Condition Recognition Based on Multi-scale
The key point to achieve automatic control and optimal operation in flotation process is to recognize the flotation conditions correctly. By the fact that it's difficult to detect and identify fault conditions in antimony flotation process, a fault condition recognition method based on multi-scale texture features extraction and k-means …
How Antimony is Processed by Flotation
Antimony payment is based on a short ton unit containing 20 lbs. antimony. A 1963 quotation for 65% antimony concentrate was $4.25 per short ton unit. REAGENTS. …
Flotation and adsorption mechanism studies of …
The flotation results indicated that at pH around 4.5 ~ 6.5, HpODT owned good flotation selectivity for antimony sulfide against cadmium sulfide and iron sulfide. …
Value-iteration-based Adaptive Optimal Reagents Control for Antimony
This paper investigates a data-driven adaptive optimal control approach for antimony flotation process in presence of input time-delay and disturbance. The integration frame of adaptive dynamic programming (ADP) and value iteration (VI) is applied to the optimal controller design without requirement of system dynamics. Fundamentally different from …
Reagent Predictive Control Using Joint Froth Image Feature for Antimony
Since antimony flotation is a multivariable process, and there are complex nonlinear interrelationships between reagent dosage and froth features. The model was constructed based on MLS-SVR to predict the froth features ( 1/ )k ky in section 4. To reduce the cumulative effects to model inaccuracy and unmeasured disturbances that …
Research on dosage matching for gold and antimony froth flotation …
A flotation concentrate grading 21.04% Sb with a recovery of 77.15% is achieved by sulphidization roasting and flotation from a feed grading 1.11% Sb in which cervantite is the main antimony ...
Three Methods To Antimony Ore Beneficiation And Processing
There are many varieties of antimony ore, including antimonite, antimonite, antimony, antimony ochre, etc. Depending on the properties of the ore, the optional beneficiation processes include manual selection, gravity separation and flotation. The density, color and metallic luster of stibnite are significantly different from those of …
