processing antimony trioxide
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processing antimony trioxide

US5783166A - Process for producing antimony trioxide ...

A process for the production of antimony trioxide comprising the steps of: (i) reacting antimony trisulfide with iron (III) chloride to produce antimony trichloride; and (ii) hydrolyzing antimony trichloride to produce antimony trioxide. In a preferred embodiment, the process is substantially closed or near-closed loop. Antimony trioxide is a known flame retardant for use in plastics, ceramics ...

Antimony trioxide - Wikipedia

Antimony(III) oxide is the inorganic compound with the formula Sb2O3. It is the most important commercial compound of antimony. It is found in nature as the minerals valentinite and senarmontite. Like most polymeric oxides, Sb2O3 dissolves in aqueous solutions with hydrolysis. A mixed arsenic-antimony oxide occurs in the nature as the very rare mineral stibioclaudetite.

WO1998011021A1 - Process for producing antimony trioxide ...

A process for the production of antimony trioxyde comprising the steps of: (i) reacting antimony trisulfide with iron (III) chloride to produce antimony trichloride; and (ii) hydrolyzing antimony trichloride to produce antimony trioxide. In a preferred embodiment, the process is substantially closed or near-closed loop. Antimony trioxide is a known flame retardant for use in plastics, ceramics ...

US4078917A - Extraction of antimony trioxide from antimony ...

Disclosed is a process for extracting antimony trioxide from antimony sulfide ore concentrate by solubility differential of the trioxide in lower alkanol solutions of sodium or potassium hydroxide and wherein the total amount of water contained in the concentrate, the alkanol and the hydroxide is not more than 26.52 volume percent of the antimony sulfide content; which process includes ...

Antimony Trioxide - an overview ScienceDirect Topics

Jan 03, 2010  A.M. Emsley, G.C. Stevens, in Advances in Fire Retardant Materials, 2008 Antimony trioxide. Antimony trioxide (ATO) is commonly used as a co-synergist with halogenated flame retardants to enhance their effectiveness. Recent comprehensive genotoxicity studies and a critical review by the European Commission have indicated that, contrary to the indications of earlier less well

ANTIMONY TRIOXIDE HAZARD SUMMARY Antimony Trioxide ...

* Antimony Trioxide may damage the kidneys, liver and heart. IDENTIFICATION Antimony Trioxide is a white, odorless crystalline (sand-like) powder. It is used as a flame-proofing agent, in pigments and ceramics, to stain iron and copper, and to decolorize glass. REASON FOR CITATION * Antimony Trioxide is on the Hazardous Substance List

Antimony Trioxide - Proposition 65 Warnings Website

Antimony trioxide is a chemical used in the manufacture of some polyethylene terephthalate (PET) plastic, which is used to make food and beverage containers. These include ovenproof or microwavable plastic trays, as well as some plastic water bottles.

Antimony Trioxide - CAS 1309-64-4 - City Chemical LLC.

More Information; Description: Sb2O3 Antimony Trioxide is an inorganic compound predominantly utilized as a flame-retardant synergist for plastics, paints, rubber, electronics, and textiles. Antimony Trioxide is often combined with halogenated compounds when used as a flame retardant, without antimony trioxide, about twice as much halogenated compound would be required to produce an

manufacturing process antimony trioxide

manufacturing process of antimony metal - paramounthotelsin. production process of antimony trioxide from antimony production process of antimony trioxide fromto metallic antimony in a refined by an electrolysis process to produce a 999% pure antimony metal Read more. How tin is made - material, used, processing, steps, Get Price

WO1998011021A1 - Process for producing antimony trioxide ...

A process for the production of antimony trioxyde comprising the steps of: (i) reacting antimony trisulfide with iron (III) chloride to produce antimony trichloride; and (ii) hydrolyzing antimony trichloride to produce antimony trioxide. In a preferred embodiment, the process is substantially closed or near-closed loop. Antimony trioxide is a known flame retardant for use in plastics, ceramics ...

Antimony trioxide - Wikipedia

It is produced via two routes, re-volatilizing of crude antimony(III) oxide and by oxidation of antimony metal. Oxidation of antimony metal dominates in Europe. Several processes for the production of crude antimony(III) oxide or metallic antimony from virgin material. The choice of process depends on the composition of the ore and other factors.

Antimony Trioxide Applications and Specifications

Antimony oxide can be prepared by two processes, the direct and the indirect process. Indirect process. In this process, antimony metal or ores is melted in a furnace to give ATO vapors. The vapors are quenched with air and cooled to convert the vapor to white powder. These powders are further filtered to give antimony trioxide powder. Direct ...

Antimony Trioxide Tradeasia International

Antimony oxide can be prepared by two processes, the direct and the indirect process. Indirect process. In this process, antimony metal or ores is melted in a furnace to give ATO vapors. The vapors are quenched with air and cooled to convert the vapor to white powder. These powders are further filtered to give antimony trioxide powder. Direct ...

ANTIMONY TRIOXIDE CAMEO Chemicals NOAA

Antimony trioxide is a white crystalline solid. It is insoluble in water. The primary hazard is the threat to the environment. ... Chemical Facility Anti-Terrorism Standards, and the U.S. Occupational Safety and Health Administration's Process Safety Management of Highly Hazardous Chemicals Standard List ...

Antimony Trioxide Nonferrous Metal Materials Trading ...

Describes the antimony trioxide manufacturing operations of Yamanaka Co., Ltd. The material is used widely as a flame-retardant auxiliary and also as a catalyst for plastic production. Yamanaka Sangyo began the smelting of antimony in Japan in 1900. Mass production of antimony trioxide was launched in

Antimony Compounds - United States Environmental ...

Antimony is a silvery-white metal that is found in the earth's crust. Antimony ores are mined and then either changed to antimony metal or combined with oxygen to form antimony oxide. (1) Antimony trioxide is a white powder that is very slightly soluble in water. (1) Antimony metal is a very brittle, moderately hard metal. (1)

manufacturing process antimony trioxide

manufacturing process of antimony metal - paramounthotelsin. production process of antimony trioxide from antimony production process of antimony trioxide fromto metallic antimony in a refined by an electrolysis process to produce a 999% pure antimony metal Read more. How tin is made - material, used, processing, steps, Get Price

Flame Retardant Smoke Suppressant Products Marshall ...

Antimony Trioxide (AO) and our AO replacement synergists enhance the flame retardancy of chlorine and bromine based chemicals and polymers. The mechanism works in the vapor phase by capturing the free radicals generated by the combustion process. FDAO 100% antimony trioxide synergist for halogenated flame retardant systems. SDS.

Antimony – Two Sisters Ecotextiles

Recycling PET is a high temperature process, which creates wastewater tainted with antimony trioxide – and the dyeing process for recycled PET is also problematic. Another problem occurs when the PET (recycled or virgin) is finally incinerated at the landfill – because then the antimony is released as a gas (antimony trioxide).

Antimony Recovery from End-of-Life Products and Industrial ...

Feb 08, 2016  Antimony has become an increasingly critical element in recent years, due to a surge in industrial demand and the Chinese domination of primary production. Antimony is produced from stibnite ore (Sb2O3) which is processed into antimony metal and antimony oxide (Sb2O3). The industrial importance of antimony is mainly derived from its use as flame retardant in plastics, coatings, and

Process for producing antimony trioxide - Roycefield ...

Sep 12, 1996  What is claimed is: 1. A process for the production of antimony trioxide comprising the steps of: (i) reacting antimony trisulfide with iron (III) chloride to produce a first aqueous solution comprising antimony trichloride, and contacting the first aqueous solution with an organic solvent resulting in extraction of antimony trichloride from the first aqueous solution; and

Antimony - AMG Corporate

Feb 14, 2017  AMG Antimony produces antimony trioxide from base forms of antimony metal. Worldwide production of antimony trioxide is estimated at about 130k tons. With processing facilities in France, AMG’s capacity is approximately 13k tons of antimony trioxide annually and is one of Europe’s first antimony trioxide manufacturers.

#ChemicalCallout: Polyethylene Terephthalate (PET or PETE)

Jul 30, 2019  Antimony trioxide is commonly used as a catalyst in the production process. Antimony trioxide is classified as possibly carcinogenic, and some forms are potentially endocrine disrupting. Researchers have found antimony at detectable levels in polyester textiles. Even at low temperatures, antimony can migrate from polyester to saliva and sweat.

Antimony Trioxide Tradeasia International

Antimony oxide can be prepared by two processes, the direct and the indirect process. Indirect process. In this process, antimony metal or ores is melted in a furnace to give ATO vapors. The vapors are quenched with air and cooled to convert the vapor to white powder. These powders are further filtered to give antimony trioxide powder. Direct ...

Process for producing antimony trioxide - Roycefield ...

Sep 12, 1996  What is claimed is: 1. A process for the production of antimony trioxide comprising the steps of: (i) reacting antimony trisulfide with iron (III) chloride to produce a first aqueous solution comprising antimony trichloride, and contacting the first aqueous solution with an organic solvent resulting in extraction of antimony trichloride from the first aqueous solution; and

Antimony Trioxide Nonferrous Metal Materials Trading ...

Describes the antimony trioxide manufacturing operations of Yamanaka Co., Ltd. The material is used widely as a flame-retardant auxiliary and also as a catalyst for plastic production. Yamanaka Sangyo began the smelting of antimony in Japan in 1900. Mass production of antimony trioxide was launched in

Antimony trioxide (Antimony oxide) - Canada.ca

Antimony trioxide may be released to the environment via landfills and wastewater treatment systems as a result of industrial processes and through the use and disposal of consumer products containing this substance. Combustion of coal, non-ferrous metal production (smelters), antimony mining and abrasion of automobile brake pads are also ...

Antimony - AMG Corporate

Feb 14, 2017  AMG Antimony produces antimony trioxide from base forms of antimony metal. Worldwide production of antimony trioxide is estimated at about 130k tons. With processing facilities in France, AMG’s capacity is approximately 13k tons of antimony trioxide annually and is one of Europe’s first antimony trioxide manufacturers.

manufacturing process antimony trioxide

manufacturing process of antimony metal - paramounthotelsin. production process of antimony trioxide from antimony production process of antimony trioxide fromto metallic antimony in a refined by an electrolysis process to produce a 999% pure antimony metal Read more. How tin is made - material, used, processing, steps, Get Price

Antimony – Two Sisters Ecotextiles

Recycling PET is a high temperature process, which creates wastewater tainted with antimony trioxide – and the dyeing process for recycled PET is also problematic. Another problem occurs when the PET (recycled or virgin) is finally incinerated at the landfill – because then the antimony is released as a gas (antimony trioxide).

Classification International Antimony Association

The listing of Antimony trioxide on the RoC will not send the right signal or provide the right level of information to the producers and users of Antimony trioxide. ATSDR In October 2019, the United States Agency for Toxic Substances and Disease Registry (ATSDR) released a new Toxicological Profile for Antimony and Antimony Compounds.

Antimony Recovery from End-of-Life Products and Industrial ...

Feb 08, 2016  Antimony has become an increasingly critical element in recent years, due to a surge in industrial demand and the Chinese domination of primary production. Antimony is produced from stibnite ore (Sb2O3) which is processed into antimony metal and antimony oxide (Sb2O3). The industrial importance of antimony is mainly derived from its use as flame retardant in plastics, coatings, and

Gredmann Group

Gredmann Group.Gold Sun Technology is the leadingprovider of Antimony Trioxide in the global flame-retardant market. Gredmann Group ‧ Gold Sun Technology offers the most popular flame retardant (FR) relevant additive materials used in various kinds of plastic such as PVC, ABS, HIPS, PS, PP Rubber, Paint, Paper Industries.

SAFETY DATA SHEET - Fisher Sci

SAFETY DATA SHEET Creation Date 22-Dec-2009 Revision Date 18-Jan-2018 Revision Number 5 1. Identification Product Name Antimony(III) oxide Cat No. : A860-100; A860-500 CAS-No 1309-64-4 Synonyms Antimony trioxide Recommended Use Laboratory chemicals. Uses advised against Not for food, drug, pesticide or biocidal product use Details of the supplier of the safety data sheet

Antimony Trioxide, Sb 2 O 3

Antimony Trioxide, Sb 2 O 3 was known in ancient times; it is probably referred to by Pliny under the name of stibia femina, and by Basil Valentine under the name flores Antimonii. The latter name was subsequently applied to the product derived from the roasting of antimony sulphide. Antimony trioxide occurs naturally in the minerals senarmontite and valentinite, and in certain other more ...

Chemie der Erde - stuff.mit: students' portal

Antimony trioxide, Sb2O3, is the most important antimony compound produced. Today, antimony trioxide is produced by volatilizing antimony metal in an oxidizing furnace. It is used in halogen compound flame retarding formulations for plastics, paints, textiles and rubber. Most commercial grades of antimony

Antimony Trioxide Suppliers Buy Antimony Trioxide ...

Antimony oxide can be prepared by two processes, the direct and indirect process. Indirect process. In this process, antimony metal or ores is melted in a furnace to give ATO vapors. The vapors are quenched with air and cooled to convert the vapor to white powder .These powders are further filtered to give antimony trioxide powder. Direct process

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