antimony sulfide ore

Type metal

Alchemists had shown that when stibnite, an antimony sulfide ore, was heated with scrap iron, metallic antimony was produced. The typefounder would typically introduce powdered stibnite and horseshoe nails into his crucible to melt lead, tin and antimony into type metal. Both the iron and the sulfides would be rejected in the process.

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Antimony ore in the Fairbanks district, Alaska

Much of the ore is stibnite, with quartz as a minor impurity, and assays show the tenor to vary from 40 to 65 percent antimony. Sulphantimonites are less abundant but likewise occur as disseminated crystals and as kidney-shaped bodies. Antimony oxides appear on the weathered surface and along fractures within the sulfide ore.

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1. ehemical and Physical Data

antimony sulfide ore was smelted, persnal1W A airrne concentrations of antimony were 0.92-70.7 mg/m3; the author postulated a predominance of antimony trioxide (Renes, 1953). At another US antimony smelting plant, workers were expsed to antimony ore dust contain-ing priariy antimony trioxide at concentrations (area samples) ranging from 0.08 to 138

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12.3 Primary Copper Smelting

Ore concentration is roasted to reduce impurities, including sulfur, antimony, arsenic, and lead. The roasted product, calcine, serves as a dried and heated charge for the smelting furnace. Smelting of roasted (calcine feed) or unroasted (green feed) ore concentrate produces matte, a molten mixture of copper sulfide (Cu2S), iron sulfide

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Antimony

Although antimony trioxide is found in nature, it is too impure to be used. Flame-retardant grades of antimony oxides are manufactured from either antimony metal or the sulfide ore by oxidation in air at 600–800°C. The particle size and chemical reactivity is determined by the processing conditions, enabling the production of several ...

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Mineral Commodity Profiles: Antimony

the element; in any case, he described the extraction of metallic antimony from its sulfide ore in his treatise "The Triumphal Chariot of Antimony," published sometime be tween A.D.1350 and 1600 (Li, 1953). Pliny the Elder named the metal stibium, and the eighth century Arabian alchemist Geber (Jabir) referred to it as "antimonium,"

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Antimony Leaching from Stibnite and Complex Ores*

ANTIMONY LEACHING FROM STIBNITE AND COMPLEX ORES1 Y.T. John Kwong2, Allen Pratt2 and Gianluigi Botton2 Abstract. To shed light on the leaching of Sb from mine wastes containing stibnite, two series of experiments were conducted. In one experiment, polished slabs of a museum-grade stibnite and a mixed-sulfide ore sample containing 28% Sb were

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Beneficiation of antimony oxide ore: A review | SpringerLink

 · Antimony oxide ore beneficiation has become one of the world''s largest mineral processing conundrums. In recent years, many experimental studies dealing with antimony oxide ore have been carried out, resulting in new technical achievements. Much attention has been paid to improving the mineral processing technology of antimony oxide based on such experiments.

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A fundamental study of the alkaline sulfide leaching of gold

now employed for antimony production. Antimony recovery normally calls for a two step process of leaching followed by electrodeposition. The alkaline sulfide system is employed industrially in the CIS, China and the United States (Anderson, 2000). Essentially, the lixiviant is a mixture of sodium sulfide …

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Antimony

Antimony was discovered about 1450. It is a brittle, lustrous metalloid.Most antimony, like arsenic and bismuth, occur in nature in the form of sulfide minerals.Most Antimony is obtained from the sulfide ore, stibnite, and hence is given the symbol Sb is sometimes found in minor amounts in ores …

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8 Types of Gold Ore

 · Gold sulfide ore Properties of gold sulfide ore Gold sulfide ore is the inorganic compound with the formula Au2S. It is the principal sulfide of gold and decomposes to gold metal and elemental sulfur, illustrating the "nobility" of gold. In nature, the covalent radii of gold sulfide and silver are similar, and the two will form a solid solution.

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3 Antimony Ore Beneficiation Process

 · Antimony sulfide ore is generally separated by flotation. Xanthate and Dithiophosphate are commonly used collectors for antimony sulfide flotation, lead salt is a commonly used activator, and pine oil is a commonly used foaming agent.

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Antimony Ore

Antimony Ore. Antimony is a lustrous tin-white metal. Although it is usually described as a metal, it possesses mixed metallic and nonmetallic characteristics, and is more properly described as a semimetal or metalloid. The antimony ore found in our mine is Stibnite, which is a sulfide bearing ore and is concentrated using a froth flotation ...

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Sulfide

Sulfide (British English also sulphide) is an inorganic anion of sulfur with the chemical formula S 2− or a compound containing one or more S 2− ions. Solutions of sulfide salts are corrosive. Sulfide also refers to chemical compounds large families of inorganic and organic compounds, e.g. lead sulfide and dimethyl sulfide. Hydrogen sulfide (H 2 S) and bisulfide (SH −) are the conjugate ...

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The metallurgy of antimony

 · Iron precipitation: Rich sulfide ore or liquated antimony sulfide (crude antimony) is reduced to metal by iron precipitation This is illustrated in Eq. (6) . This process consisting of heating molten antimony sulfide in crucibles with slightly more than the (6) Sb 2 S 3 + 3Fe → 2Sb + 3FeS theoretical amount of fine iron scrap, depends on the ...

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Guides For High-sulfide Gold Processing

 · High sulfide gold ore refers to 20% -30% of gold wrapped by sulfide (mainly pyrite). It is better to use gravity separation, flotation, or flotation-cyanidation process. The following is an analysis of specific beneficiation tests, and introduces four commonly used gold processing methods for high-sulfide gold ores.

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20 Interesting Facts About Antimony

 · He described the extraction of metallic antimony from its sulfide ore in his treatise "The Triumphal Chariot of Antimony," published sometime between A.D. 1350 and 1600. When Gutenberg and others began using cast metal printing type in the mid-15th century, antimony was incorporated.

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CHAPTER 5. POTENTIAL FOR HUMAN EXPOSURE

retardants (USGS 2004). Most of the primary antimony generated in the United States was generated as antimony trioxide. Antimony trioxide is produced by oxidizing antimony sulfide ore or antimony metal in air at 600–800°C (Avento and Touval 1980). In 1987 and 1988, 18,758, and 18,226 metric tons of the

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Establishing thE ProcEss MinEralogy of gold orEs

Gold in non-refractory sulfide ores can be recovered by whole-ore cyanidation, or some combination of flotation and cyanidation. Acceptable extraction of refractory gold can only be achieved by employing a pre-oxidation process prior to cyanide leaching. Antimony, bismuth sulfide and telluride gold ores: Antimony, bismuth sulfide and telluride ...

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Antimony revisited | Feature | RSC Education

 · Evidence for the occurrence of antimony can be traced back to antiquity. 1 The name comes from the Greek, anti and monos, meaning ''metal not found alone''. 2 Indeed, antimony is usually found as the sulfide ore, stibnite, Sb 2 S 3, the black form of which was used by ancient Egyptian women as a cosmetic for darkening their eyebrows and eyelashes. 3,4 The earliest record of metallic antimony …

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EP0806487A1

A hydrometallurgic and electrochemical process for processing sulfur antimony ores and residues is disclosed, the end products from which are electrolytic antimony and elemental sulfur. The concentrate of sulfur antimony ore, leached with a solution of caustic alkali according to the known techniques dissolves, as sulfur salts as much Sb as possible, whilst the other heavy and precious metals ...

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The reasons of gold refractory, Gold ore classification ...

 · 2. Pyrite, Arsenical pyrite, realgar, orpiment, and Arsenic antimony sulfur gold ore. The most of refractory ore is gold bearing sulfide. Sulfide iron ore includes many kinds of pyrite and ...

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VOLCANIC-ASSOCIATED MASSIVE SULFIDE DEPOSITS …

with felsic rock. Other ore minerals are present in much lower abundances, but constitute important potential heavy metal sources. The most common accessory sulfide and sulfosalt minerals are those of the tennantite-tetrahedrite series, arsenopyrite, and various lead-antimony-bismuth sulfosalt minerals, particularly in deposits associated with

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Antimony Ore | MSquare Mining

Antimony trisulfide - Wikipedia

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U. S. Antimony Announces Operational Update

 · Apart from sulfide ore sources in Mexico, the Company is investigating potential sources in Bolivia and Guatemala. China, historically the sole supplier of lump antimony trisulfide has held back the export of antimony trisulfide, leading to a potential world-wide shortage.

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USAC Metallurgy

SULFIDE ORES: The mineral dressing of sulfide ores is primarily accomplished by flotation although it can be accomplished by gravity and hand -sort methods. Recoveries of un-oxidized sulfides can be in the mid 90% range with concentrate grades of 60 to 68% for stibnite ores.

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Antimony sulfide | Podcast | Chemistry World

Antimony sulfide (stibnite) We begin with what some might consider to be the very first chemical equation in the very first chemistry textbook. The equation can be found on page 168 of an edition of Tyrocinium Chymicum, or ''Beginner''s Chemistry'', published 400 years ago in 1615. A copy of this rare book was somehow obtained by Glasgow ...

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[Oxidation of gold-antimony ores by a thermoacidophilic ...

Antimony leaching from sulfide ore samples by an experimental consortium of thermoacidophilic microorganisms, including Sulfobacillus, Leptospirillum, and Ferroplasma strains was studied. The ores differed significantly in the content of the major metal sulfides (%): Sb(S), 0.84 to 29.95; Fe(S), 0.4 …

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Sulfide Ore | Article about Sulfide Ore by The Free Dictionary

Sulfide ores may be simple or complex. Complex sulfide ores containing sulfides of copper, zinc, and lead are especially common, as are complex copper, nickel, cobalt, antimony, and mercury ores. Many sulfide ores contain Pt, Au, Ag, Cd, In, Se, and Te as admixtures.

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Procedure for processing sulphide gold containing arsenic ...

The task is solved in that in the method for processing sulfide gold-arsenic-antimony concentrates and ores, including rihtovanie, roasting, condensation of gaseous compounds of antimony and arsenic, gold leaching of the calcine, according to the invention the mixture is prepared by mixing the concentrate or ore and chloride and/or ammonium ...

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Refractory Gold Ore Treatment Methods

 · Stibnite (Antimony Sulphide, Sb2S2) This mineral in an ore acts as a weak acid, combining with alkalis to form salts, of the order of M1/3SbS2 and M1/3SbS4 alkaline sulphantimonite and sulphantimonate, especially in the presence of iron …

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Antimony | Podcast | Chemistry World

The sulfide ore of antimony, stibnite. It''s very curious that the subject of this dispute should be antimony, because this element is actually rather toxic, causing liver damage in large enough doses. But pharmaceutical uses of antimony have a long history. In the ancient world it was known primarily in the form of its black sulphide ore ...

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