Pyrite Flotation Tailing
Extraction of Alumina from Coal-Derived Pyrite Flotation Tai
Extraction of Alumina from Coal-Derived Pyrite Flotation Tailing by Pre-Desilication–Bayer Process. Jun Luo, Mingjun Rao, Mingxia Liu, Guanghui Li, and Tao Jiang. Discounted member price: 10.00. Your price: 25.00. You could save 60.0%. Quantity: Related Items. No related products found ...
Occurrence Characteristics of Fine-Grained Pyrite in Coal …
Flotation desulfurization is the process of separating sulfur from coal samples into tailing products based on the differences in the physical and chemical properties of the mineral surfaces without changing the original sulfur content of the entire coal. ... The presence of ferric ions inhibited the pyrite flotation recovery and its …
Activation flotation of lime-depressed pyrite with carbon …
Activation flotation of lime-depressed pyrite by sulfuric acid (H 2 SO 4) is usually accompanied by safety hazards and environmental pollution.Exploring eco-friendly, economical and effective activator to replace H 2 SO 4 holds great significance for the sustainable development of mining industry. In this study, carbon dioxide (CO 2) as a …
The Development of Innovated Complex Process for …
A sample of old pyrite flotation tailings obtained at an industrial concentrator was used. The main elements contents and mineral composition of the old pyrite flotation tailings are presented in Table 14 and Table 15 and Figure 4. The sample was milled using an LDI-65 disc eraser (Techoborudovanie, Saint Petersburg, Russia) …
Advances in depressants used for pyrite flotation separation …
Pyrite is separated from other minerals mainly by flotation. However, the hydrophilicity of pyrite is affected by many factors, causing it to easily enter the concentrate and …
Interaction mechanism of the adopted reagents in the flotation …
Sphalerite (ZnS), galena (PbS) and pyrite (FeS 2) are the important metallic sulphide minerals.These three sulphide minerals are often associated with each other, and large amounts of sphalerite and pyrite are lost in the galena flotation tailings. In this study, the flotation method was employed to recover sphalerite and pyrite from a galena …
A critical review on metallurgical recovery of iron from iron …
Flotation tailing Fe:0.81 Pb:0.43 Cu:0.34 Zn:0.37 Ag:21 ppm: Acidithiobacillus ferrooxidans, ... Notably, pyrite (FeS 2) present in the IOTs can undergo oxidation, generating sulfuric acid in situ, which leads to a decrease in slurry pH and facilitates the dissolution of the primary copper mineral, chalcopyrite. This mechanism …
Physico-chemical properties of tailing slurries during …
The flotation experiments on tailings L were done at three different pH levels (7.5, 9 and 10.5) to test the various collectors cited in the Experimental.The frother was D-200, which is commonly used for sulphide flotation, and the target in term of collector dosage was 150 g/t (purity of each product was not taken into account).
A process mineralogy approach to optimize molybdenite flotation …
PSD analysis results of feed, concentrate and tailing for the flotation circuit (determined using laser particle size analyser) are shown in Fig. 3, ... Therefore, due to the ease of flotation of pyrite as well as the point mentioned above, changes in pyrite content (of feed) can be an effective factor in the decrease of molybdenum and increase ...
Separation of chalcopyrite and pyrite from a copper tailing …
The flotation tailings obtained from Bor Copper Mine contain pyrite (FeS2) and chalcopyrite (CuFeS2), these sulfide minerals are known to promote acid mine drainage (AMD) which poses a serious ...
Extraction of Alumina from Coal-Derived Pyrite …
for the use of resource of pyrite tailings. Experimental Materials The chemical and mineralogical compositions of the coal-derived pyrite flotation tailing are shown in Table I and Table II, respectively. Mineralogical analysis of the initial sample (XRD, Fig.1) was performed by using a D/Max2500 X-ray diffractometer with scanning angle
Pyrite behaviour in a tailings pond
This paper deals with the behaviour in a tailings pond of the residues produced during the flotation of a complex sulphide ore. The composition of the tailing was essentially pyrite (63.4%) with minor amounts of Cu, Pb and Zn sulphides (1.4, 0.5 and 0.8, respectively). In addition, sulphite ion and other thiosalts were present in the liquid phase.
Unlocking High-Value Metals: Efficient Flotation Techniques …
Also, f, c, and t are the grade of certain element in the feed, concentrate and tailing, respectively. The efficiency of flotation processes was evaluated, and the optimal conditions for maximum recovery were identified. ... To improve the lead (Pb) grade in the re-cleaner concentrate and mitigate excessive pyrite flotation, two primary methods ...
Solving the mystery of natural pyrite flotation
Pyrite is known to readily report to flotation concentrates, diluting their value and resulting in excess sulphur dioxide production during smelting. The presence of …
Synthesis of 4A Zeolite from Kaolinite-Type Pyrite Flotation …
As a solid waste, kaolinite-type pyrite flotation tailings (KPFT) are a type of low-quality kaolin that contain impurities, such as iron and titanium. In this study, KPFT were calcined at 800 °C for two hours. The calcined production (CKPFT), which is mainly metakaolin, was used as the silicon and aluminum source to synthesize 4A zeolite …
Recovery of pyrite from copper tailings by …
Keywords: Copper tailing, Pyrite recovery, Flotation, Split factor Accumulated recoveries as a time function of the rougher, scavenger, cleaner, and recleaner flotation stages.
The separation of chalcopyrite and chalcocite from pyrite …
Pyrite flotation was strongly depressed after mixing with chalcopyrite in cleaner flotation. As studied previously, pyrite flotation was depressed in alkaline solutions, ... Fig. 12 shows S 2p XPS spectra of flotation tailing with 96% pyrite and 4% chalcopyrite. Due to the predominant pyrite composition, the XPS spectra illustrate the …
A novel selective collector MIBATC and its performance on flotation …
After that, the flotation reagents (MIBATC, terpineol) were added for 2 min. Finally, the concentrate and tailing in the flotation cell were dried, weighed and the recovery rate was calculated. ... O-methylisobutyl-n-allyl thionocarbamate (MIBATC) was synthesized and used to separate chalcopyrite from sphalerite and pyrite first. The …
Pyrite Flotation Separation and Encapsulation: A …
Pyrite flotation separation and encapsulation in tailings dams is proposed as a viable way to chemically stabilize tailings. Characterization of potential acid mine …
Valorisation of a flotation tailing by bioleaching and brine …
Given that bacteria grow using pyrite as a substrate and that flotation tailing is mostly pyrite (Fig. 4A), the final Fe balance in the medium indicates the degree of attack suffered by the matrix of the bioleached mineral. However, high acidity conditions along with the presence of iron sulphides favour the formation of Fe ...
Pyrite activation in seawater flotation by copper and lead …
Pyrite (FeS 2), as the most widely distributed sulfide mineral in the Earth's crust, is the main gold carrier in various gold deposits, where gold as solid-solution and micro-inclusions hosted in the crystal structure of pyrite [8], [9], [10].Usually, auriferous pyrite is enriched via froth flotation as the first step to recover gold [11], [12], [13].
Natural Pyrite as a Catalyst for a Fenton Reaction to Enhance …
The efficient treatment of mineral-processing wastewater has attracted soaring interest recently. This study's objective was to degrade xanthate from flotation tailings wastewater using a pyrite-catalyzed Fenton system. A sodium butyl xanthate (SBX) removal rate of more than 96% was achieved via the method under optimal conditions (a …
Valorisation of a flotation tailing by bioleaching and brine …
Flotation tailing is a problematic mining waste, because contains sulphides that exposed to oxidising conditions generate acidic drainage and the subsequent metal mobilisation. In this study, a flotation tailing produced within an integral process for the treatment of polymetallic sulphide ores is cleaned and valorised seeking a better use of …
Application and depression mechanism of sodium sulfite on galena-pyrite
Then, galena is floated from the galena-pyrite (Pb-Fe) mixed concentrate, leaving the Pb tailing containing pyrite and sphalerite. Another sphalerite concentrate is floated from the Pb tailings. In the bulk flotation process, maximum flotation recovery is achieved by treating galena and pyrite with a high dosage of ethyl xanthate (EX ...
Flotation in acid mine drainage control: Beneficiation of …
The objective of this work was to examine the possibilities to produce a chemically harmless fraction from a pyrite flotation tailing of a complex sulfide ore and to characterize the flotation concentrate produced in this Acid Mine Drainage (AMD) operation. Beneficiation of the flotation concentrate is discussed, particularly from the …
Environmental Impact Variability of Copper Tailing …
The analysis of tailing materials, waters from leaching tests and natural waters flowing in the system show that changes in separation processes can have a major role in the environmental impact of tailing …
Effect of pyrite textures and composition on flotation …
A summary of the pyrites variations and their effect on pyrite flotation behaviour based on major texture variations is shown in Table 1. Furthermore, since …
Highly selective flotation separation of chalcopyrite and pyrite …
(1) ε 1 = m 1 m 1 + m 2 × 100 % (2) ε 2 = γ × β α × 100 % where ε 1 is the flotation recovery of chalcopyrite or pyrite, m 1 and m 2 are the weight (g) of concentrates and tailings in single mineral flotation experiments, respectively, ε 2 is the flotation recovery of Cu or Fe element from concentrates and tailings products in ...
Environmental Impact Variability of Copper Tailing …
The analysis of tailing materials, waters from leaching tests and natural waters flowing in the system show that changes in separation processes can have a major role in the environmental impact of tailing dumps. Pyrite separation during flotation has a key role as a single flotation setting that deposits pyrite to the tailings produces lower ...
Pyrite Tailings Recovery by Flotation
Pyrite has long been used as a source of sulphur, and its recovery as a by-product from the flotation of certain base metal ores is a well established practice. Large tonnages of mill tailings which have …
Flotation of Gold and Gold-Bearing Ores
The demand for sulfuric acid initiated by the booming uranium industry during the late 1960s provided the catalyst for the installation of pyrite flotation plants on numerous gold mines in South Africa (Bushell, 1970, Broekman et al., 1987).After roasting the pyrite flotation concentrate to generate sulfur dioxide for the sulfuric acid plant, the …
Interaction mechanism of the adopted reagents in the flotation …
In this study, the flotation method was employed to recover sphalerite and pyrite from a galena flotation tailing waste. The reagent scheme, including Cu 2+ activator and butyl xanthate (BX ...
Recovery of sphalerite from a high zinc grade tailing
In this work, the flotation recovery of sphalerite and pyrite from an old high zinc grade tailing was studied. In particular, the effect of different flotation reagents such as collector, auxiliary collector, depressant, activators, and frother on the flotation performance were investigated.
Molybdenum Ore Processing by Flotation
This molybdenum flotation circuit, based on 250-500 tons per 24 hours is designed for low-grade molybdenum ore having high-grade streaks and with pyrite-quartz gangue.It is also basically sound for …