OUR smelting of antimony

Right to Know Hazardous Substance Fact Sheet - New Jersey

Antimony is a naturally occurring, silvery-white, hard, brittle metal. It is also formed as a by-product of smelting Lead and other metals. It is used in alloys with Lead and other metals, electric storage batteries, solder, sheet and pipe metal, castings and pewter. Reasons for Citation f Antimony is on the Right to Know Hazardous Substance

Mineral Commodity Profiles: Antimony - USGS

antimony plummeted during the early years of the Depression of the 1930s but recovered after a few years and then climbed sharply during the late 1930s as global conflict threatened again. Recovery of demand in the United States was somewhat more protracted. Antimony was again used in large quantities in World War II when world demand

Antimony in 1998 - USGS

antimony used by battery manufacturers has been declining in recent years because of changing materials requirements for batteries. Industry stocks remained steady (table 4). Antimony was mined as a principal product and was a byproduct of the smelting of base metal ores in 15 countries. Ninety-five percent of world primary antimony was mined in

Slags, antimony-smelting - Substance Information - ECHA

Slags, antimony-smelting Substance resulting from the smelting of materials containing antimony obtained from primary and secondary sources and including recycled plant intermediates. Consists primarily of antimony and SiO2 and may contain other residual non-ferrous metals and their compounds.

The exposure to and health effects of antimony

Antimony may enter the environment as a consequence of mining and processing of its ores and in the production of antimony metal, alloys, antimony oxide, and combinations with other substances. Antimony released from smelters may remain in particulate quantities in the air, some of which reaches the soil during rainfall where it attaches ...

Antimony smelting process generating solid wastes and dust ...

Xikuangshan Flash-Antimony Industry Limited Liability Company is a smelting plant in the Xikuangshan area with an annual production of 4 × 10 4 tons of antimony. The wastes produced in the smelting processes in the Xikuangshan area mainly include water-quenched slag (WQS), desulfurized slag (DS), arsenic-alkali residue (AAR) and blast furnace ...

Working with antimony question (total noob) - Smelting ...

Jan 16, 2013· Antimony is used in lead bullet alloys - IIRC, linotype is about 84% lead, 12% antimony and the balance is tin. One issue with melting and casting is that when the metal does finally melt, it does so immediately and you can have a potentially dangerous situation if you aren't prepared for that event.

Huachang Antimony Smelting Plant--Huachang Antimony …

Huachang Antimony Smelting Plant is a joint-stock enterprise holding by Huachang Five Star Group. It is located in Yiyang city with convenient traffic. Based on this, the company has developed to be a group company that owns the total asset of RMB 200 million, with its production capacity of all kinds of antimony products of 21,000 Mt ...

COMPLETE BIBLIOGRAPHIES. FOR STUDENTS, …

antimony smelting were freely given and -jladly received. I also desire" gratefully to aeknowlodge the assistance derived from the consideration of articles which have appeared in the

The extraction of Antimony from its ore - LEVITY

The extraction of Antimony from its ore The following photographic documentation of the process of extracting antimony from its ore made by one of my French correspondents and one of his colleagues. He says:-"These pictures describe an experiment undertaken a few years ago related to the Dry path of antimony (or Stibnite Path) as followed by E ...

US2330307A - Process of smelting antimony ore - Google Patents

The method of recovering antimony from antimony trioxide which comprises forming a crucible of a hot slag composed of sodium sulphate and sodium chloride, filling said crucible with a mixture of carbon and antimony trioxide, covering the mixture with some of the slag which has been cooled and granulated, sealing the crucible with the hot slag ...

How to Remove Arsenic, Antimony & Bismuth from Copper

Removal of arsenic, antimony and bismuth from copper may take place in the smelting operations by scorification, volatilization, or, under special treatment, by processes of concentration. Owing to the great variety of materials that are treated in economical metallurgy, it is rarely possible to obtain exact weights from any particular operation.

Antimony Trioxide - CAREX Canada

Antimony trioxide (Sb 2 O 3) is a slightly soluble, white crystalline powder. [2] It is produced by smelting antimony-containing ores [2] or reacting antimony trichloride with water. [3] Antimony is not abundant in the earth's crust. [4]

History: Antimony Metal - The Balance

Apr 26, 2018· In 1784, British General Henry Shrapnel developed a lead alloy containing 10-13 percent antimony that could be formed into spherical bullets and used in artillery shells in 1784. As a result of the British military's adoption of Shrapnel's technology in the 19th century, antimony …

Improved Smelting and Refining Processes for Production of ...

The antimony smelting techniques that have been developed in Xikuangshan are typical of smelters in China. Traditional smelting methods have been improved since the 1940s, but several novel achievements have been introduced in recent years.

The Metallurgy of Antimony | Request PDF

The effects of the main variables influencing the yield and content of antimony in the smelting slag were investigated in detail for the content-optimized slag, and the following optimum smelting ...

Lead and Zinc Smelting - IFC

Lead and Zinc Smelting Industry Description and Practices Lead and zinc can be produced pyrometal-lurgically or hydrometallurgically, depending on the type of ore used as a charge. In the pyromet-allurgical process, ore concentrate containing lead, zinc, or both is fed, in some cases after sin-tering, into a primary smelter. Lead concentra-

Nomination Background Information: Antimony Trioxide …

Antimony Trioxide [CAS No. 1309-64-4] Brief Review of Toxicological Literature ... during processing and packaging of antimony compounds and during processing and smelting of antimony ores, and limits for workplace exposure are set for antimony compounds as a group (0.5 mg ... Nomination Background Information: Antimony Trioxide [Cas No. 1309 ...

Antimony Mining - Encyclopedia of Arkansas

Antimony mining took place intermittently in Arkansas after the metal's discovery in 1873. Smelting attempts were made first in 1887 but were unsuccessful. The first commercial production was recorded in 1889. Mining activity peaked during World War I when metal prices were high, and sporadic efforts to continue mining ended in 1924 due to ...

Chemie der Erde - Massachusetts Institute of Technology

C.G. Anderson / Chemie der Erde 72 (2012) S4, 3–8 5 Table 3 Plant capacities of historic leading producers of refined antimony. Company Location Total capacity and products (Sb tonne/year) Hsikwangshan Mining Administration China 30,000 (metal, trioxide, pentoxide, sodium antimonate) Kadamjaisk Antimony Combine Kyrgystan 20,000 (metal, trioxide)

Antimony Smelting - Mineral Processing & Metallurgy

The history of the antimony industry of China dates back to 1897 when the Tai Shing Co. was formed, under contract with the Hunan Bureau of Mines, for the smelting of the ore to crude; and in 1908 the Wah Chang Mining & Smelting Co. was formed for the smelting and refining of …

How to melt antimony - Cast Boolits

Nov 25, 2018· Hello all I have a question for those better than myself here. I have stumbled upon a small quantity of pure antimony and i know that is what is used to harden, water-quench bullets. I tried to make a batch of hardball equivalent lead alloy (2%tin, 6%antimony, and 92% lead) and I was unable to get the antimony to melt and flux/mix in.

The metallurgy of antimony - ScienceDirect

Jul 17, 2012· 1. Background. Antimony is a silvery, white, brittle, crystalline solid that exhibits poor conductivity of electricity and heat. It has an atomic number of 51, an atomic weight of 122 and a density of 6.697 kg/m 3 at 26 °C. Antimony metal, also known as 'regulus', melts at 630 °C and boils at 1380 °C.Antimony and the natural sulfide of antimony were known as early as 4000 BC.

REDUCTION SMELTING OF ANTIMONY CONCENTRATE …

The formation of metallic antimony occurred without any decomposition in the course of the direct reduction of sodium metaantimonate. The concentrate reduction smelting carried out in presence of a refining flux provided to obtain rough antimony of low impurities content. Keywords: antimony concentrate, reduction smelting, rough antimony.

Lead and Zinc Smelting - IFC

lead oxide, along with copper, antimony, and other elements, floats to the top and solidifies above the molten lead. The dross is removed and is fed into a dross furnace for recovery of the nonlead mineral values. The lead bullion is refined using pyrometal- ... Lead and Zinc Smelting. ...

U.S. Antimony Reports Antimony Prices and Production

Mar 06, 2017· Compared to 2016, antimony production was lower in Mexico during January and February 2017 due to the transition from the custom smelting to …

CDC - Antimony Smelters (Antimony Exposure) - NIOSH Study ...

Antimony Smelters (Antimony Exposure) 1997. Study Background. NIOSH studied 1,014 antimony smelter workers. We used company and government records to do the study. Purpose of the Studies. Animal studies show that exposure to antimony may cause lung cancer and lung disease in rats.

Antimony - Wikipedia

Antimony is a chemical element with symbol Sb (from Latin: stibium) and atomic number 51. A lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite (Sb 2 S 3). Antimony compounds have been known since ancient times and were powdered for use as medicine and cosmetics, often known by the Arabic name, kohl.