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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 ...

Process for producing antimony trioxide - Roycefield ...

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.

Nomination Background Information: Antimony Trioxide

2021-8-22  Production Processes Antimony trioxide is produced from the reaction of antimony trichloride (SbCl3) with water, direct combination of metallic antimony with air or oxygen, roasting of antimony trisulfide, or alkaline hydrolysis of an antimony trihalide followed by dehydration of the hydrous oxide (HSDB, 2002; NRC, 2000).

Antimony Trioxide Applications and Specifications

2012-5-12  Antimony oxide can be prepared by two processes, the direct and the indirect process.

Features of Antimony Trioxide as Catalysts Nihon Seiko ...

Antimony compounds are excellent catalysts to accelerate the polymerization in polyester manufacturing. Antimony trioxide is the most widely used polymerization catalyst in both domestic and overseas markets in the manufacture of polyethylene terephthalate(PET)from ethylene glycol(EG)and high purity terephthalic acid(TPA), or dimethyl terephthalete(DMT).

Project Report on antimony trioxide, Feasibility Report ...

Detailed Project Report (DPR) on antimony trioxide Present Market Position and Expected Future Demand, Technology, Manufacturing Process, Investment Opportunity, Plant Economics and Project Financials. comprehensive analysis from industry covering detailed reporting and evaluates the position of the industry by providing insights to the SWOT analysis of the industry.

(PDF) Antimony Production and Commodites

25% antimony are volatilized to antimony trioxide, 25-40% antim ony ores are smelted in a blast furnace, and 45-60% antimony ores are treated by liquation or iron

1309-64-4 三氧化二锑 cas号1309-64-4分子式、结构式 ...

industrial production with other oxides mostly being the transition product of various kinds of antimony production process. Antimony trioxide (Sb2O3, Mr291.50) is a dual-type substance including cubic crystal and monoclinic crystal type. For different the ...

Improved Smelting and Refining Processes for Production

Improved Smelting and Refining Processes for Production of Antimony and Its Oxides in Xikuangshan, China. PB89112817. Publication Date: 1987: Personal Author: Xiao, Y. F. Page Count: 15: Abstract: The antimony smelting techniques that have been developed in Xikuangshan are typical of smelters in China. Traditional smelting methods have been ...

Antimony Oxide (sb2o3) - an overview ScienceDirect Topics

During the combustion process, the foaming source of the flame retardant can cause the whole material to swell up. The carbon source decomposes into carbon-based char, protecting underlying structures by inhibiting mass and heat flow. The acid source of the flame retardant will act as a catalyst to stimulate the pyrolysis of polymer into char.

Process for producing antimony trioxide - Roycefield ...

The present invention relates to a process for the production of antimony trioxide. 2. Description of the Prior Art . Antimony trioxide, also known as antimonous oxide and/or Sb 2 O 3, is a known compound useful in the manufacture of paints, plastics, ceramics, and the like. The principal utility of antimony trioxide is as a flame retardant.

Features of Antimony Trioxide as Catalysts Nihon Seiko ...

Antimony compounds are excellent catalysts to accelerate the polymerization in polyester manufacturing. Antimony trioxide is the most widely used polymerization catalyst in both domestic and overseas markets in the manufacture of polyethylene terephthalate(PET)from ethylene glycol(EG)and high purity terephthalic acid(TPA), or dimethyl terephthalete(DMT).

Antimony trioxide--Jiangyin Hanfeng Technology Co., Ltd.

Antimony Trioxide Introduction: Antimony trioxide is one of our company's main products, all of which use the original mines in the Lengshuijiang area of Hunan Province, using advanced production techniques and scientific production processes, complete inspection methods, in strict accordance with national standards (GB/T 4062-2013) Production and sales of national standard quality products.

ANTIMONY OXIDE LISTING BACKGROUND - US EPA

2016-4-4  2. DESCRIPTION OF MANUFACTURING PROCESSES 2.1 PRODUCTION PROCESS DESCRIPTION Antimony oxide can be prepared using one of two processes: the direct and the indirect. In this section, general descriptions of these two processes are provided. The process flow diagrams for these general production descriptions are presented in Figure 2.1.

Improved Smelting and Refining Processes for Production

Improved Smelting and Refining Processes for Production of Antimony and Its Oxides in Xikuangshan, China. PB89112817. Publication Date: 1987: Personal Author: Xiao, Y. F. Page Count: 15: Abstract: The antimony smelting techniques that have been developed in Xikuangshan are typical of smelters in China. Traditional smelting methods have been ...

1309-64-4 三氧化二锑 cas号1309-64-4分子式、结构式 ...

industrial production with other oxides mostly being the transition product of various kinds of antimony production process. Antimony trioxide (Sb2O3, Mr291.50) is a dual-type substance including cubic crystal and monoclinic crystal type. For different the ...

Antimony Trioxide - Proposition 65 Warnings Website

2021-9-3  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 is also added to some flame retardants to make them more effective in ...

“Campine investigates how to reinsert Antimony Trioxide

2020-12-9  The recovered antimony trioxide will be combined with a lot of impurities (remnants of the dissolution process, but also other additives out of plastics). Campine investigates the antimony and how it can be re-inserted as fast as possible in the chain. This will certainly reduce the footprint of

Campine introduces new process for antimony extraction ...

2021-1-14  The new process to recycle antimony is already in its start-up phase.”. Alongside its antimony recycling, Campine has also been expanding its extraction of other metals such as tin, silver and gold from industrial waste streams. In May 2018, the company announced its intention to invest up to €25 million ($30 million) in recycling projects ...

Antimony Recovery from End-of-Life Products and

2016-2-8  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

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 ...

TSCA Work Plan Chemical Risk Assessment Antimony

2021-6-25  A‐9‐3 OECD Assessment for Antimony Trioxide ... public comment period and peer review process. Mention of trade names does not constitute ... operational antimony mines or primary antimony production in the US in 2011, except for one company in Montana that produced antimony metal and oxide from a foreign feedstock (USGS, ...

A Clean Production Process for Producing NaSb(OH) 6

Antimony-bearing dust, a byproduct of the lead-smelting process, is an important secondary resource of antimony. A clean production process for producing NaSb(OH) 6 by oxidation in an NaOH solution has been proposed to solve the difficulties of recovering antimony from antimony-bearing dust. First, antimony trioxide in the dust was leached into a sodium hydroxide solution.

Antimony Trioxide - CAREX Canada

General Information. Antimony trioxide (Sb 2 O 3) is a slightly soluble, white crystalline powder. [] It is produced by smelting antimony-containing ores [] or reacting antimony trichloride with water. [] Antimony is not abundant in the earth’s crust. [] Antimony trioxide may also be referred to as diantimony trioxide (DAT), antimony oxide, or in manufacturing as antimony

Process for producing colloidal antimony oxide - Japan ...

The present invention relates to a process for the continuous production of colloidal antimony oxide. More particularly, the invention relates to a process wherein an aqueous dispersion, in which antimony trioxide and hydrogen peroxide are dispersed in the ratio of 1 mol of the former to 2 mols or more of the latter, is passed through an extremely elongated tubular reactor having a particular ...

1309-64-4 三氧化二锑 cas号1309-64-4分子式、结构式 ...

industrial production with other oxides mostly being the transition product of various kinds of antimony production process. Antimony trioxide (Sb2O3, Mr291.50) is a dual-type substance including cubic crystal and monoclinic crystal type. For different the ...

Improved Smelting and Refining Processes for Production

Improved Smelting and Refining Processes for Production of Antimony and Its Oxides in Xikuangshan, China. PB89112817. Publication Date: 1987: Personal Author: Xiao, Y. F. Page Count: 15: Abstract: The antimony smelting techniques that have been developed in Xikuangshan are typical of smelters in China. Traditional smelting methods have been ...

“Campine investigates how to reinsert Antimony Trioxide

2020-12-9  The recovered antimony trioxide will be combined with a lot of impurities (remnants of the dissolution process, but also other additives out of plastics). Campine investigates the antimony and how it can be re-inserted as fast as possible in the chain. This will certainly reduce the footprint of

A New Procedure for the Preparation of Antimony of High ...

2019-11-6  Computation-assisted analyzing and forecasting on impurities removal behavior during zone refining of antimony. Journal of Materials Research and Technology 2020 , 9 (2) , 1221-1230.