A study on the sulphuric acid leaching of copper converter slag …
The slag sample was crushed in a jaw crusher and ground in a ball mill and then sieved. The fraction of −74 μm (200 mesh) was used in all experiments. Particle size distribution analyses indicated that the mean particle diameter of −200 mesh converter slag sample is 25.3 μm.
Copper Processing
The underflow is sent to a secondary ball mill and trommel screen, for additional grinding and ... at a slight angle. A leaching reagent (dilute sulfuric acid) is sprayed onto the bed and trickles down through the heap, where it dissolves the copper from the ore. ... sulfur and iron, and slag, a dense, glassy material made of iron, silica, and ...
Sulfuric acid leaching of ball-milling activated FePO4 …
The ball-milling was performed in the Planetary ball Mill (LVERISETTE 5, Fritsch, German). 2.2.3. Leaching. For all the experiments, 500 mL sulfuric acid solution for each leaching test was prepared and poured into a three-necked flask immersed in a water bath (Figure S1 reported in the Supplementary Material).
Sulfuric Acid Leaching of Mechanically Activated Vanadium–Bearing
Samples for this study were taken from the converter slag disposal site in Panzhihua Iron and Steel Group Corp. As shown in Fig. 1, the converter slag was crushed to a particle size finer than 125 μm (120 US mesh) through a series of jaw crushers and ball mills. Then separated the magnetic iron through a magnetic separation.
Ultrasound-assisted mild sulphuric acid ball milling …
To mitigate this challenge and ensure the efficient industrialization of cellulose nanomaterials, lignocellulose nanofibers (LCNFs) were prepared through an easy, feasible and environment friendly method relative to conventional techniques. 1–3% Sulphuric acid was used in combination with ball milling and ultrasound to produce …
Degradation effects in concrete bound ferrochrome slag …
Ferrochrome slag (FS) having favourable mechanical properties) may be gainfully utilised as concrete aggregate. The concrete specimens with FS, natural stones (NS) and NS concrete mixed with 2% chromium nitrate salt (CR) as coarse aggregate were prepared. The samples were cured in aggressive curing solution like sulphuric acid …
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Recovery of Manganese from Ferromanganese Slag by …
Investigations on extraction of manganese from ferromanganese slag, a waste product from a local ferroalloy industry, were carried out using sawdust as a reducing agent. Leaching of manganese was done with sulphuric acid. The effects of particle size, stirring speed, contact time, acid concentration, temperature and dosage of reductant …
sulfuric acid in ball mills
Sulfuric Acid In Ball Mills - heute-im-tv.de. Sulfuric Acid In Ball Mills Ultrasound assisted mild sulphuric acid ball milling,mar 27, 2019 To mitigate this challenge and ensure the efficient industrialization of cellulose nanomaterials, lignocellulose nanofibers were prepared through an easy, feasible and environment friendly method relative ...
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Ball Mill Mining Grade - Steel Forged Grinding Balls. From $925 ... Sulphuric Acid 98%. From $307 View. Caustic Soda/Sodium Hydroxide 99% (Flakes) From $408 View. Hydrofluoric Acid 70%. Regular ... With thousands of suppliers competing for our business, Kemcore has proven to be the most reliable and consistent import/export …
Extraction of vanadium from converter slag by two-step sulfuric acid …
Vanadium slag (100 g) was first mixed with calcium carbonate (12.3 g) and was mechanically activated in a planetary ball mill (Retsch PM 100, Germany) for 40 min at a rotation rate of 400 rpm and a ball-to-slag weight ratio of 5:1. ... The reaction of roasted vanadium slag with dilute sulfuric acid can be simply described as follows (Kozlov and ...
Slag or Reacted Binder, Which Dissolves First in Sulphuric Acid…
The results confirm the importance of the slag structure and reacted amount of slag on the sulphuric acid resistance of NFS-AAM. The findings here are instrumental in providing solutions to improve sulphuric acid resistance of NFS-AAM. ... After dried in oven at 105 ℃ for 12 h, the slag was milled using a disk mill and then an attritor ball ...
A study on the sulphuric acid leaching of copper …
A study on the sulphuric acid leaching of copper converter slag in the presence of dichromate H.S. Altundogan a,*, M. Boyrazli b, F. Tumen a a Department of Chemical Engineering, Firat University ...
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Ultrasound-assisted mild sulphuric acid ball milling …
The action of the ball mill and mild sulphuric acid may have disrupted the bonding force of the lignin, damaging the hemicellulose and exposing the hidden cellulose of the fibers. The table shows that between 93% and 76% of the SFS lignin content remained after the defibrillation process at various milling times and acid concentrations.
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Ball Mills
Available cylinder sizes range from laboratory mills to 12′ in diameter.. Discharge Features. For discharge of the product on wet grinding processes we offer our standard media retention grate along with an adequate size discharge valve. For discharge of the product on dry grinding processes we offer our dry media retention grate and housing. ...
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Univar Solutions is your premier source for Sulfuric Acid. Sulfuric Acid is the most widely used chemical in industrial applications including the production of gasoline, fertilizer, …
Sulfuric Acid Slag Raymond Grinder Mill- Crusher …
sulfuric acid slag professional raymond mill. Sulfuric Acid Slag Marble Raymond Mill Mining Heavy. A wide variety of sulfuric acid mining options are available to you such as sprial separator raymond mill There are 392 sulfuric acid mining suppliers mainly located in Asia The top supplying countries or regions are China India and Hong Kong SAR …
What is the production process of a lithium slag vertical roller mill …
As a lithium slag grinding mill manufacturer, Guikuang Machinery, our GKLM series lithium slag vertical roller mill have been widely used in lithium slag powder production projects. ... while lithium slag is a by-product of the sulfuric acid method to prepare lithium carbonate. After spodumene is calcined at a high temperature of 1200C, …
Selective room-temperature leaching of copper from …
Herein, the room-temperature sulfuric acid leaching of copper smelter slag powder in the presence of potassium dichromate was investigated, resulting in the …
Sulfuric acid resistance behaviour of alkali-activated slag …
The acid resistance of cementitious materials is an important property when exposed to aggressive acidic environments. In this study, the waste glass powder (GP) and slag as precursors were activated by alkali (Na or K)-silicates or by a combination of (Na or K)-silicates with air pollution control () residues to produce alkali-activated materials …
CLEANING AND DESCALING STAINLESS STEELS
Hydrochloric acid solutions behave similarly to sulphuric acid mixtures. Because the action of hydrochloric acid on both oxide scale and base metal is exceedingly rapid, it must be used with extreme caution. Unlike sulphuric acid, however, hydrochloric acid produces ferric chloride which is a strong pitting agent. As the salt content builds
Hydrometallurgical nickel and cobalt plants and processes
centrator, sulfuric acid, and pyrometallurgical plants and processes, such as flash smelt-ing, direct flash smelting and converting (DON), Ausmelt nickel smelting and converting, and slag cleaning furnaces. Our unique technology solutions include laboratory testing, …
Extraction of vanadium from converter slag by two-step sulfuric acid …
Vanadium slag (100 g) was first mixed with calcium carbonate (12.3 g) and was mechanically activated in a planetary ball mill (Retsch PM 100, Germany) for 40 min at a rotation rate of 400 rpm and a ball-to-slag weight ratio of 5:1. The mechanically activated slag was then roasted in a muffle furnace at 800 °C for 1 h.
Kinetic Study on the Leaching of Vanadium-Bearing Converter Slag …
When leaching at pH < 0.5, CaV 2 O 7 dissolved in the sulfuric acid solution as VO 2 2+.The leaching behavior and kinetics of the calcification roasted converter slag in sulfuric acid (1–27%) have been investigated [].However, CaV 2 O 7 dissolved in the sulfuric acid solution as V 2 O 7 4− when leaching at pH 2.5, The leaching of …
What are the ways to use sulfuric acid slag
In order to avoid the pollution of sulfuric acid slag to the environment, use sulfuric acid slag as raw material, add active reducing agent (C6H1206), use waste …
Leaching of ilmenite to produce titanium based materials: a …
3.1.2 Leaching using sulfuric acid. Use of sulfuric acid for the dissolution of ilmenite has been reported in the literature [58,59,60]. Bangka Island-Indonesia is a well-known source of ilmenite. Latifa et al. report the digestion of ilmenite by sulfuric acid where TiOSO 4 is produced as the precursor material.
Solubilization of sulfuric acid lignin by ball mill treatment …
milled using a planetary ball mill (Pulverisette 7S, Fritsch Japan Co., Ltd, Japan) for 10 min at 600 rpm, performed three times with 15 min cooling intervals. For comparison, lignin …