Ferric Chloride | FeCl3 | CID 24380
Hazardous Substances Data Bank (HSDB) Benzo (a)pyrene (0.5 mg), in itself weakly carcinogenic, when given in combination with ferric chloride (0.16 mg) or iodine (0.2 mg), alone noncarcinogen, induced a number of tumors of different parts of the respiratory tract of Syrian golden hamsters. PMID:700030.
Minerals | Free Full-Text | Cupric and Chloride Ions: Leaching …
In this paper, the effect of the cupric and chloride ions concentrations on copper dissolution from chalcopyrite concentrate was studied in acidified media. Variables included three different concentrations of Cu2+ (0.5, 1.5, and 2.5 g L−1), four different concentrations of Cl− (0, 5, 7, and 10 g L−1), two different pH values of 1 and 2, and a …
The Complete Aqueous Ferric Chloride Solutions Density …
The table below gives the density (kg/L) and the corresponding concentration (% weight) of Ferric Chloride (FeCl 3) solutions in water at different temperatures in degrees centigrade (°C). The table was taken from "Perry's Chemical Engineers' Handbook" by Robert H. Perry, Don Green, Seventh Edition. Please see the Examples page for more details.
How To Mix Ferric Chloride for Etching
To create a liter of acid, pour 500 ml of distilled water into the container, followed by 500 ml of the concentrated ferric chloride etching solution. Pour the acid slowly to avoid splashing, which can cause reactions with nearby surfaces and release toxic fumes. Stir the mix until the solution dissolves completely.
Ferric Chloride (FeCl3)
Ferric chloride is a dark colour crystal with the oxidation state of iron being +3. It is also called Iron (III) chloride or Molysite. It is an iron coordination entity which functions as an astringent and Lewis acid. The chemical formula of Ferric Chloride is FeCl3. Molysite solution is colourless to light brown and has a faint hydrochloric ...
Copper leaching from chalcopyrite concentrate in …
1. Introduction. Ferric chloride and/or cupric chloride leaching processes have been extensively studied to treat sulfide concentrates of copper, lead and zinc (Peters, 1977, Dutrizac, 1990, Dutrizac, 1992, O'Malley and Liddell, 1987).Chloride leaching has several advantages for hydrometallurgical processes, with respect to sulfate …
Effects of chloride ions on corrosion of ductile iron …
Nie et al. 19 examined the carbon steel corrosion in salty test soils with the chloride concentration as high as 1.41 wt.%. However, it only emphasized the essential …
Recovery of Copper, Iron, and Sulfur from Chalcopyrite Concentrate
Smelting of copper concentrates results in the discharge of millions of tons of SO, to the atmosphere each year. Because of increasing concern with air pollution, the Bureau of Mines has developed a hydro-metallurgical procedure to obtain elemental sulfur from chalcopyrite by means of the following reaction: CuFeS2 + 3FeCl3 → CuCl + …
Hydration of ferric chloride and nitrate in aqueous …
Here, ferric chloride and nitrate aqueous solutions are studied using polarized Raman spectroscopy as a function of concentration and referenced to their respective sodium salt or mineral …
Preferential leaching of lead zinc complex sulphide ore using ferric …
The increase in ferric chloride concentration (beyond 0,15 M) or increase in temperature affects the preferential leaching. ... Kinetics of dissolution of sulphide minerals in ferric chloride solution and application to complex sulphide concentrates. Trans. IMM (Sect. C), 97: 159-162. Shon, H.Y. and Wadsworth, M.E., 1979. Rate Processes of ...
Variable surface passivation during direct leaching of
The degree of surface passivation: ferric sulfate > ferric chloride > ferric nitrate ... 2010), and is a desired route for metal extraction, especially for low grade and mineralogically complex concentrates (Aydogan, 2006; Aydogan et al., 2005; Jena and Brocchi, 1992). ...
using a Ferric Chloride Leach
using a Ferric Chloride Leach by F. P. Haver and M. Wong Smelting of copper concentrates results in the dis charge of millions of tons SO, to the atmosphere each year. Because of increasing concern with air pol lution, the Bureau of Mines has developed a hydro metallurgical procedure to obtain elemental sulfur
Chemical Composition and Nutritional Value of Protein Concentrates
Effects of protein precipitators, ethanol and ferric chloride, on yield, resolubility, chemical composition and nutritional value of protein concentrates isolated from industrial potato fruit juice (PFJ) were studied. Optimum precipitating concentrations of ethanol and ferric chloride in PFJ were 4 M (23.1% v/v) and 20 mM …
Ferric chloride leaching of mechanically activated chalcopyrite
To this end, chalcopyrite was autogenously milled in a horizontal mill, and leaching was conducted using a 5 M chloride leach solution. Leaching of as-received concentrate resulted in copper extractions of 75% in 5 h of leaching, whereas leaching mechanically activated concentrates resulted in copper extractions over 95% after 3 h of …
Ferric Chloride Leaching of Chalcopyrite Concentrate
Ferric Chloride Regeneration. ... concentrate would reduce the cost of flotation as well as save some metal values lost during the production of cleaner concentrates. If the value of the sulfur recovered from the leach residue is low, its recovery would be uneconomical. Under this condition the sulfur could be discarded with the leach residue.
Remove Copper from Moly by Ferric Chloride Leaching
Here molybdenum concentrates are slurried with hot ferric chloride leach solution to dissolve the copper and lead contaminants present. The primary function of the filtration and thickening circuits is to recover spent ferric chloride leach solution from the leached moly concentrates. Since approximately 2.5 percent of the ferric chloride in ...
The leaching of sulphide minerals in chloride media
The CANMET ferric chloride leach process [ 100 ] achieves > 99% Zn and Pb extraction, as well as 97% Cu and 96% Ag extraction, from complex pyritic bulk concentrates. As shown in Fig. 9, the process consists of a two-stage FeCl3 leach in FeCla-NaCl media with interstage thickening.
The kinetics of dissolution of chalcopyrite in ferric ion …
The kinetics of dissolution of chalcopyrite (CuFeS2) in ferric chloride-hydrochloric acid and in ferric sulfate-sulfuric acid solutions have been investigated using the rotating ... treating copper concentrates was advanced and ferric ion leaching processes were prominent among these. The United States Bureau of Mines developed a ferric ...
Copper Leaching from Chalcopyrite Concentrates
CHLORIDE LEACHING Only chlorides of metals in a higher valence state, such as ferric or cupric chloride, will leach metals from their sulfi des because oxidation is necessary. Of the numerous chloride routes, ferric chloride (FeCl 3) leaching of chalcopyrite concentrates, which was initiated by the U.S. Bureau of Mines' Reno Metallurgy
Ferric Chloride | FeCl3 | CID 24380
Ferric Chloride | FeCl3 or Cl3Fe | CID 24380 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and …
Optimization of Domestic Wastewater Treatment Using Ferric Chloride …
The study investigates the effectiveness of Ferric Chloride as a coagulant for removing pollutants from domestic wastewater in El Jadida, Morocco. It analyzes various parameters, including Total Suspended Solids (TSS), Chemical Oxygen Demand (COD), Biological Oxygen Demand (BOD), pH levels, and heavy metals. The study combines …
Microorganisms | Free Full-Text | Two-Stage Oxidative …
It has been shown in a number of studies that one-stage ferric leaching of various raw materials (slags, sulfide concentrates) using solutions containing ferric sulfate makes it possible to effectively extract non-ferrous metals into solution [66,67,68,69]. However, the problem is obtaining solutions of ferric ions in amounts sufficient for the ...
A Critical Review of the Ferric Chloride Leaching of Galena
Ferric chloride leaching is a potentially attractive method of processing lead concentrates, and many studies have been carried out on the kinetics of dissolution of galena (PbS). In this paper, the extensive literature on galena dissolution is critically reviewed and the various results are compared on a consistent basis.
Improving of copper extraction from chalcopyrite by using …
ARBITER N, MCNULTY T. Ammonia leaching of copper sulfide concentrates [C]// Copper 99-Proceedings of the Fourth International Conference Phoenix Arizona, USA: CIM, TMS, 1999: 197–212. ... MAURICE D, HAWK J A. Ferric chloride leaching of mechanically activated chalcopyrite [J]. Hydrometallurgy, 1998, 49: 103–123.
(PDF) Ferric and Cupric Chloride Leaching of …
In ferric chloride leaching, maximum copper extraction (95 %) was obtained at the highest ferric ion concentration (50 g/L), however even with the lowest concentration of the oxidant (10 g/L ...
Simultaneous autogenous milling and ferric chloride …
Building on our previous work 6, 7 on the mechanically activated leaching of concentrates using concentrated ferric chloride solution, we attempted to combine grinding and leaching operations into a single step using the source ore as the grinding media and a concentrated ferric chloride solution as the lixiviant. 2. Experimental …
Sulfation Roasting of a Bornite Flotation Concentrate to Optimize
Copper extraction efficiencies in excess of 90% were attained in the weak acid leach while 90% silver extraction was achieved in the ferric chloride leach, along with copper and lead extractions as high as 93% and 99% respectively. The two-stage leaching process resulted in overall extraction efficiencies of 99% copper and 90% silver. Keywords
Ferric Chloride
Ferric chloride is an inorganic compound with formula FeCl3 which has numerous industrial, pharmaceutical and laboratorial uses. In this article we will discuss ferric chloride structure with its physical and chemical properties, ferric chloride test for phenols and applications in various fields. Ferric chloride is named as iron chloride.
Ferric Chloride Supplier & Distributor | Univar Solutions
Contact us. Back to top. Univar Solutions is one of the largest suppliers of ferric chloride in the United States with more than 120 locations throughout the nation. Our offering …
Chemical composition and nutritional value of protein concentrates …
Optimum precipitating concentrations of ethanol and ferric chloride in PFJ were 4 M (23.1% v/v) and 20 mM (2% w/v), resulting in yield of 69% and 86.5% of total protein, respectively. Contents of total glycoalkaloids and potassium in both protein concentrates were significantly lower (P < 0.05) as compared with contents in PFJ dry …