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Recycling Technology Aurubis

Pyrometallurgical preparationsmelting and refiningbegins in the Kayser Recycling System (KRS). The central operation is a submerged lance furnace which is almost 13 m high. A special feature is the use of a submerged combustion lance, which is immersed into the furnace from above and supplies the process with heating oil, oxygen and air.

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Antimony (UK PID)

Gerhardsson et al (1982) reported significantly higher antimony (p<0.001) concentrations in 40 deceased smelter and refinery workers who had been exposed to antimony for some 30 years, compared to 11 unexposed controls. The time from last exposure to death varied from 0-23 years.

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Hydrometallurgical smelter dust treatment the case for

Dec 11, 2021 · They can be removed in the smelter and copper refinery from different sources. The most problematic impurities in smelting processes are arsenic, antimony, bismuth, lead, and zinc. Concentrate pre-treatment methods like blending and partial roasting of concentrates are widely used to control impurity metal levels in both the smelter and refinery.

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The metallurgy of antimony ScienceDirect

Jul 17, 2021 · Antimony compounds, primarily sodium antimonate, are also used in decolorizing and refining agents for optical glass and CRT glass. In the electronics industry, Sb use grows for diodes. Antimony metal is also used for production of antimonial lead, which is an important product of the secondary lead smelter.

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UAMY United States Antimony Corp Stock Price, Quote and

It has three segments United States antimony operations, Mexican antimony operations and United States zeolite operations. Its operations include a smelter and a metal refinery in Montana, and a

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Lead processing The metal and its alloysBritannica

Lead processing Lead processing The metal and its alloys Refined lead usually has a purity of 99 to 99.99 percent, but lead of 99.999 percent purity (known as "five nines") is becoming more common commercially. At these levels, the grades of lead differ mostly by their bismuth content. With modern smelting and refining techniques, it is possible to reach these high levels of purity

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EP0438622B1 Method and apparatus for removing arsenic

EP0438622B1 EP19900101459 EP90101459A EP0438622B1 EP 0438622 B1 EP0438622 B1 EP 0438622B1 EP 19900101459 EP19900101459 EP 19900101459 EP 90101459 A EP90101459 A EP 90101459A EP 0438622 B1 EP0438622 B1 EP 0438622B1 Authority EP European Patent Office Prior art keywords lead oxygen cylinder antimony arsenic Prior art date 1988-09-20 Legal status (The legal

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The Story of the Consolidated Mining and Smelting Company

1-iHE Consolidated Mining and Smelting Company of 'ad1, Limited was formed in 1906 by combining rhc smelter interests of the Canadian l1cilic Railway Company with those of the Ccmre St;ir and 'far Eagle companies of Rosshnd, and die Sr. Eugene Company of l'v1oyic,

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SPMP Project Tri Star

The SPMP Smelter converts primary sulphide concentrates, produced in mines from almost every region around the world into finished antimony, a strategic minor metal. At full capacity, SPMP will produce 20,000 tonnes of antimony products (metal and trioxide) and 50,000 ounces of gold per annum.

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Crude Tin Refining-Tin- Metalcess

The refining of crude tin is to remove these impurities and recover valuable metals like indium, bismuth and copper, which helps to reduce production cost to a large extent. The common purities in crude tin incudes iron, arsenic, antimony, copper, lead, bismuth and sulfur. Crude tin is treated by either fire-refining or electro-refining.

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HistoryNonferrous Metal Materials Trading Company

This is the company history page of Yamanaka & Co., Ltd. The company was founded in 1858 and is active in the following fields Nonferrous metals, chemicals, electronic materials, molded parts, stainless steel and aluminum products, construction materials, processed products, decorative construction, food

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Removal of Antimony and Bismuth from Copper

Sep 14, 2021 · The copper electrodeposits produced during antimony and bismuth removal contain arsenic, making the material hazardous. The deposits are recycled to a smelter with the majority of the group 15 elements eventually returning to the refinery in future anodes.

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Axora Resources

Antimonial dust is a by-product of lead smelting and an important material for extracting antimony. New pyrometallurgical processes are used for producing antimony white from the antimonial dust. The process mainly consists of three steps, which are reduction smelting, alkaline refining, and

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Base metal smelters (Glencore) environmental agreement

Base metal smelters (Glencore Canada) environmental agreement. The objective of the Agreement is to implement the Base Level Industrial Emissions Requirements (BLIERs) developed for the base metals smelting and refining sector.

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Borates in lead recycling borax

smelting furnace to the refinery pots thus saving on time and energy in re-melting. The principal impurities which are removed in secondary lead refining are copper, tin, antimony and arsenic. Copper can be removed in a similar fashion to that outlined for primary lead. Some companies use

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ZINC DIVISION Where There is Zinc, There is Lead The

Iron-rich slag is drawn off and granulated by high-pressure water. Lead bullion is tapped and sent to the refinery. The lead refinery consists of a series of 21 kettles. As the bullion passes through them, trace elements such as bismuth and antimony are removed. High-silver dross is drawn off the seventh kettle and sent to the silver refinery.

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SIC Industry 3339 Primary Smelting and Refining of

Establishments primarily engaged in smelting and refining nonferrous metals, except copper and aluminum. Establishments primarily engaged in rolling, drawing, and extruding these nonferrous primary metals are classified in Industry 3356, and the production of bullion at the site of the mine is classified in Division B, Mining.

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High-arsenic copper concentrates International Mining

"EcoMetales' Copper Flue Dust Treatment Plant (PTPA for its acronym in Spanish) and Arsenic and Antimony Abatement Process (PAAA for its acronym in Spanish), located near Calama in Chile, treat smelter flue dust, refinery effluent and other solid hazardous wastes from Codelco's Chuquicamata, Potrerillos (Salvador) and Ventanas smelter and

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Smelting and Refining Operations ILO Encyclopaedia

Mar 16, 2021 · Primary smelting and refining produces metals directly from ore concentrates, while secondary smelting and refining produces metals from scrap and process waste. Scrap includes bits and pieces of metal parts, bars, turnings, sheets and wire that are off-specification or worn-out but are capable of being recycled (see the article "Metal

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HHE Report No. HETA-94-0109-2494, Pan American Health

antimony smelter, with a cyclone-type volatilization furnace that has a capacity of 4,270 tons of metallic antimony (Sb) and 1,000 tons of antimony trioxide/year. The impure Sb oxides produced are reduced in rotary-type furnaces, and the crude metal is then delivered to reverberatory furnaces to refine them and obtain concentrations of 99.5-99

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ok contamination tsumeb

cuit of the smelter. From the lead refinery, the antimony compounds, together with the arsenic go into the Wet Harris Plant, where they are reduced. The resulting native anti-mony is then treated with soda to remove impurities (Schneider, 1992c). Nevertheless, by the late 1970s, the modern filters that were installed when the smelter was built in

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Antimony Hazardous AgentsHaz-Map

Antimony exposure can occur in smelting and refining operations and in alloy production. Antimony is used in glass, paints, ceramics, pigments, lead solders, and lead storage batteries. It is also used as a catalyst in the rubber and electronics industries.

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CN1162650A Method for smelting sodium sulfate from

A sodium sulfate smelting process for treating complex antimony ore concentrate includes such steps as smelting with sodium sulfate, extracting, settling antimony and removing iron to obtain sodium antimonate and other valuable metal (Pb and Au) ore concentrates, and features great reduction of treatment cost, thorough separation of Sb, As, Pb, or Ag from each other, effectively increasing the

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UAMY.A United States Antimony Corporation ProfileReuters

Its operations include a smelter and a metal refinery in Montana, and a smelter and over three mills in Mexico. It operates through Antimony Division and Zeolite Division.

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Facility DEC ID 3335202145 PERMIT Under the Environmental

Revere Smelting & Refining Corporation (Revere) operates a secondary lead smelter located in the Town of Wallkill, Orange County, New York. Incoming raw materialsAntimony, arsenic, tin, calcium, aluminum, and other alloying elements in the metal are oxidized to the slag while lead is refined to produce a low impurity lead metal. The lead

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ProcessPrecious Metals Refining

The smelter separates precious metals in a copper bullion, from mostly all other metals, concentrated in a lead slag, further treated at the Base Metals Operations. After leaching out the copper in the leaching and electrowinning plant, the precious metals are collected in a residue that is further refined at the precious metals refinery.

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Recovery of alkali, selenium and arsenic from antimony

A new process was proposed to dispose antimony smelting arsenic-alkali residue.The efficient recovery of alkali, selenium and arsenic was achieved.Se was recovered in the form of elemental selenium without adding reducing agent.The recycling process is clean and environmentally friendly.

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Assessment of Industrial Hazardous Waste Practices in the

----- Prepublication issue for EPA libraries and State Solid Waste Management Agencies ASSESSMENT OF INDUSTRIAL HAZARDOUS WASTE PRACTICES IN THE METAL SMELTING AND REFINING INDUSTRY Volume I Executive Summary This final report (SV-14So.l) describes work performed for the Federal solid waste management program under contract no. 68-01-2604 and is reproduced as

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Antimony Smelting at Mikuni Smelter

An historical note of antimony smelting in Japan is described at first. The Mikuni plant was established in 1938 and it may be said that it would be the oldest plant of antimony smelting in Japan. The smelting method of the sulphide ore is the iron precipitation method and oxide ore or poor ore may also be treated by the other methods.

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United States Antimony Corporation (UAMY)AAII Stock

The Company is a mining, transportation, milling, smelting and marketing company. It has three segments United States antimony operations, Mexican antimony operations and United States zeolite operations. Its operations include a smelter and a metal refinery in Montana, and a smelter and over three mills in Mexico.

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Our recycling operations

The smelter is a custom copper smelter which uses both copper concentrates and precious metal bearing recyclable materials as its feedstock to produce a 99.1% copper anode. The anode is shipped to the Canadian Copper Refinery (CCR) in Montreal to be converted into 99.99% copper cathodes which are sold on world markets.

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A Brief History of Antimony in ChinaAmspec

Many upgrades have been made to the planning and administering of the outdated shaft furnaces and their condensing and dust-collecting systems. The hearth area of reverberatory furnaces for antimony metal smelting has increased by more than 500%. Refining techniques have progressed to the point where 99.999% or more purity antimony is now feasible.

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