Chloridizing roasting
WebFeb 8, 2024 · Chloridizing roasting of bismuthinite (Bi 2 S 3) with NaCl–O 2 has been studied to remove the impurity Bi by volatilization from copper concentrates that contain bismuthinite. The study was conducted using mixtures of Bi 2 S 3 and NaCl in a horizontal furnace and TGA apparatus. WebDec 15, 2024 · In regards to cobalt recovery, many works have concentrated on chloride roasting as the pretreatment to convert cobalt compounds into soluble chloride, followed …
Chloridizing roasting
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WebThe optimum conditions for chloridizing roasting from the high copper pyrite cinder were identified as a dosage of CaCl2addition of 4.8 wt%, a roasting time of 19.28 min and a roasting temperature of 1151.51 °C; under such conditions, a copper volatile ratio of 97.82% was achieved. WebThe roasting of sulfide ores and concentrates, mixed with sodium chloride, to convert the sulfides to chlorides. Ref: CTD Click here to see list of references, authorities, sources …
WebThis paper describes a chloridizing roasting process applied to two types of nickel and copper-bearing sulfide concentrates. One was copper rich and the other nickel rich. The … WebThe chlorination process, introduced in Europe in 1843, roasted ore with chlorides, followed by a hot brine leach and subsequent precipitation of the silver on copper. In 1887 it was discovered that gold and silver can be recovered by sodium cyanide, and this process displaced the dangerous chlorination process.
WebOct 26, 2012 · This paper describes a chloridizing roasting process applied to two types of nickel and copper-bearing sulfide concentrates. One was copper rich and the other … WebDec 21, 2024 · To solve situation of high-sulfur copper slag utilization, an innovative technology was proposed for oxidation roasting with composite agglomerates. The oxidation-roasting process was studied by factage7.3 software. The thermodynamics were calculated about sulfur removal, sulfur adsorption and decomposition. The adsorption of …
WebFeb 7, 2024 · A key step in the ferronickel production process is sulfate-chloridizing roasting. At this stage, highly volatile chlorides and (or) metal oxychlorides under certain conditions are transferred to the gas phase (chloride sublimation) for subsequent separation and obtaining high-purity materials.
WebYAN Y F. Thermodynamic analysis of roasting process of gold concentrate containing arsenic, antimony and iron sulfide[J]. Gold, 1986, 7(3): 27-32. of China[J]. Geology of Chemical Minerals, 2024, 40(1): ... DING J, YE S F. Research on gold recovery from residue of roasting-cyaniding process by chloridizing roast[J]. darcsintWebMar 5, 2024 · The roasting process is not limited to chloridizing but may be advantageously applied to oxidizing gold ores for cyanide treatment, and oxidizing and … darcotin ovulosWebThe chloridizing roasting of burnt pyrites and the like was formerly carried out in furnaces, of the non-mufiied type, in which the material was raked. Later, rotary chloridizing furnaces, like the Herreshoif furnace, came into use. The Eamen, Beskow and Wedge furnaces were of the rotary type and were of suitable construction for chloridizing ... darcy addison chicagoWebThe chlorination process, introduced in Europe in 1843, roasted ore with chlorides, followed by a hot brine leach and subsequent precipitation of the silver on copper. In … darcy cantinWebThe chloridizing of stibnite with calcium chloride was studied as an alternative to volatilize antimony from impure copper concentrates because the vapor pressure of antimony chloride is higher than the vapor pressures of antimony oxide or sulfide at low temperatures. ... the chloridizing roasting of Sb2S3 using CaCl2–O2 was investigated to ... darcy amphibia 3d modelWebChloridizing Roast. 20. Chloridizing Roast.At the commencement this is the same as an oxidizing roast; but salt is mixed with the ore, either at the time of charging the furnace or at a certain stage of the operation. The … darcy amphibia pinterestWebof Chloridizing roast is to convert certain metals to their water soluble chlorides. Notable among such applications is the treatment of pyrite cinders with CaCl 2 for the … darcy brereton golfer