furnace for dolomite treatment to obtain magnesium by pidgeon process

European Type Jaw Crusher

European Type Jaw Crusher is a new crushing machine, the jaw crusher manufacturer, after the release of traditional jaw crusher. This jaw crusher is a perfect combination of modern science and technology and the production practice, which can better satisfy the automatic production demands of vast customers.

Input Size: 0-930mm
Capacity: 12-650TPH

Materials:
Granite, marble, basalt, limestone, quartz, pebble, copper ore, iron ore.

VSI6X Series Vertical Crusher

Due to the increasing market demand for the scale, intensification, energy conservation, environment protection and high-quality machine-made sand, a Chinese professional sand maker manufacturer, further optimizes the structure and function of traditional vertical-shaft impact crushers and launches a new generation of sand-making and reshaping machine with high efficiency and low costs --- VSI6X Series Vertical Crusher.

Input Size: 0-50mm
Capacity: 100-583TPH

Materials:
Granite, quartz, basalt, pebble, limestone, dolomite, etc.

LM Vertical Mill

 furnace for dolomite treatment to obtain magnesium by pidgeon process

High drying efficiency, Low running cost, Good environmental effect

LM Vertical Mill integrates crushing, drying, grinding, classifying and conveying together, and it is specialized in processing non-metallic minerals, pulverized coal and slag. Its coverage area is reduced by 50% compared with ball mill, and the energy consumption is saved by 30%-40% similarly.

Applications: Cement, coal, power plant desulfurization, metallurgy, chemical industry, non-metallic mineral, construction material, ceramics.

MTW Trapezium Mill

furnace for dolomite treatment to obtain magnesium by pidgeon process

Large capacity, Low consumption, Environmental friendly

MTW European Trapezium Mill has a large market share in the grinding industry. Whether bevel gear overall drive, inner automatic thin-oil lubricating system or arc air channel, these proprietary technologies makes machine advanced, humanized and green.

Applications: Cement, coal , power plant desulfurization, metallurgy, chemical industry, non-metallic mineral, construction material, ceramics.

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furnace for dolomite treatment to obtain magnesium by pidgeon process

Little abrasion wear, Long service life

Based on 30 years of development experience of grinding equipment, LM Heavy Industry produced LUM Series Superfine Vertical Roller Grinding Mill to make ultra-fine powder. The grinding roller doesn't contact with millstone usually, which makes abrasion little and service life longer.

Applications: Superfine dry powder of none-metal ores such as calcite, marble, limestone, coarse whiting, talc, barite and dolomite and so on.

furnace for dolomite treatment to obtain magnesium by pidgeon process

furnace for dolomite treatment to obtain magnesium by

furnace for dolomite treatment to obtain magnesium by pidgeon process (PDF) Solar Carbothermic Reduction of Dolomite: The thermal reduction of dolomite by the Pidgeon of silica using electric arc furnace is the most widely used process in silicon industry and clean process for magnesium metal production . Treatments of Magnesium Slag to Recycle Waste from .

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Magnesium Smelting via the Pidgeon Process SpringerLink

30/04/2021 Magnesium smelting via the Pidgeon process is a process in which raw material (dolomite) is fed into a reduction tank that is externally heated by a reduction furnace, and then the calcined dolomite is thermally reduced to metallic magnesium using 75% ferrosilicon as a reducing agent in vacuum. The method is named after the inventor, L.M. Pidgeon, and has

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Production of Magnesium Metal From Calcined Dolomite

Production of Magnesium Metal From Calcined Dolomite Via Pidgeon Process out as variables in order to obtain high recovery efficiency ratios. The net reaction between ferrosilicon and dolomite is given with Eq. 1. The reaction for the use of CaC 2 to reduce dolomite gives metallic magnesium of 3 moles as shown in Eq. 2. 2MgO·CaO+FeSi 2Mg+Ca 2SiO 4+Fe (1)

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MAGNESIUM PRODUCTION FROM ASIAN ABE-GARM DOLOMITE

removal from the furnace, the magnesium “crown” is taken off the sleeves [1]. Approximately, 80% of the world demand for magnesium is currently supplied by China and nearly 95% of the primary magnesium output of China is produced using the Pidgeon process mainly due to low labor and energy costs and lax environmental act [2, 3, 4]. The main scope of this research is

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The Pidgeon Process China Magnesium Corporation

The Pidgeon Process. The existing Magnesium Plant (and its proposed expansions) use (will use) the Pidgeon process. The basic raw material supply and magnesium production process is as follows: 1. Mining and crushing of the dolomite: The dolomite is mined and crushed by the supplier at the quarry, and delivered to the Magnesium Plant in 15-25mm granules. 2.

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Start-up slags for producing magnesium from dolomite ore

the reduction of magnesium oxide by a silicothermic process in which silicon (usually in the form of ferrosilicon) is used as a reducing agent. This process may be carried out in special reactors either externally heated retorts (the Pidgeon process) (Pidgeon, 1944, 1946; Pidgeon and Alexander, 1944; Pidgeon and King, 1948; Morsi et al., 2002),

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Magnesium Production by the Pidgeon Process Involving

In the conventional reduction approach to obtain pure magnesium, the Pidgeon process is one of the most commonly adopted approaches (Halmann et al. 2008). It

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pidgeon vertical magnesium reduction retorts

15/04/2018 Pidgeon process for Mg production 9 Furnace in production Dolomite (similar to limestone) is heated to remove carbon and leave magnesium and calcium oxides Ferrosilicon is added and, under high temperature, reduces magnesium oxide to pure magnesium vapour, which is condensed to solid magnesium "crown". Get More. Pidgeon Magnesium Reduction

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Manufacturing Process Dolomite Stone Splayers

Quicklime is one of many reagents offered by Mintek Resources Quicklime also referred to as lime (calcium oxide (CaO)) is derived from high quality natural deposits of limestone (calcium carbonate (CaCO 3manufacturing process dolomite stone splayers Dolomite is used as an ornamental stone a concrete aggregate a source of magnesium oxide and in the Pidgeon

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Production of Magnesium Metal From Calcined Dolomite

Production of Magnesium Metal From Calcined Dolomite Via Pidgeon Process out as variables in order to obtain high recovery efficiency ratios. The net reaction between ferrosilicon and dolomite is given with Eq. 1. The reaction for the use of CaC 2 to reduce dolomite gives metallic magnesium of 3 moles as shown in Eq. 2. 2MgO·CaO+FeSi 2Mg+Ca 2SiO 4+Fe (1)

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CN112742851A Treatment device and treatment process for

The invention discloses a treatment device of reducing slag for smelting magnesium by Pidgeon process, comprising: the device comprises a reducing slag charging barrel, a cooling machine, a primary sieve barrel, a secondary sieve barrel, a sieved reducing slag powder storage bin, a tubular ball mill and a finished product reducing slag powder storage bin; the treatment

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WO2005103309A1 Metallothermic process for magnesium

METALLOTHERMIC PROCESS FOR MAGNESIUM PRODUCTION is based on heating the batch mixture of calcined dolomite and ferrosilicon up to temperature of about 1200°C under residual pressure less than 670 Pa and condensing the magnesium vapor. To increase magnesium extraction, a batch mixture of fine­-dispersed at least partially calcined dolomite

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Mintek Thermal Magnesium Process

The Mintek Thermal Magnesium Process, MTMP, offers an alternative to the Pidgeon process in the Western world, and could compete effectively with the Chinese producers in terms of cash operating costs. Ideally, the process should be operated at an intermediate scale (5000t Mg/annum from a single furnace) in order to confirm the operational and metallurgical data

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Magnesium Metal Production with Magneterm Process by

Magnesite and dolomite are widely used as magnesium raw materials and these raw materials can produce high purity magnesium by thermal reduction process [3]. Although the silicotermic reduction method in pidgeon process is widely used over the world, we have used the aluminatermic reduction method in the MagnetTerm process.

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1 Deborah A. Kramer, Magnesite and Magnesia, from Minerals

subsequently used to produce magnesium by reaction with calcined dolomite. The Pidgeon and Magnetherm processes employ this procedure. The Pidgeon process is a batch process in which dolime and silicon are sized, briquetted, and cha rged into gas-fired or electrically heated retorts of nickel-chrome-steel alloy. The retort is equipped with removable baffles and a

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Effect of Reductant Type on the Metallothermic Magnesium

The Pidgeon Process is conducted through the reduction of magnesium from calcined dolomite via silicothermic reduction under vacuum atmosphere. Powdered calcined dolomite, ferrosilicon (as reductant) and a slight amount of fluorspar (CaF 2 as catalyst) are mixed prior to the reduction process as raw materials [7, 10]. Morsi et al. investigated

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Life cycle assessment of primary magnesium production

16/06/2009 From dolomite mine to magnesium production plants: Domestic factories using the Pidgeon process have easy access to local resources for production. The average distance, in the three scenarios, from the dolomite mine to the magnesium plant was assumed to be 50 km, and duty trucks with a net load of 15 tons would be used for the transport.

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Researchers develop microwave-driven, energy-efficient

18/05/2017 The Pidgeon process heats briquettes containing dolomite ore (dolomite: MgO, CaO) and Ferrosilicon (FeSi) to high temperatures in a silicothermic reduction and then cools the evaporated magnesium to obtain magnesium metal. The hot reaction zone is either gas-fired, coal-fired, or electrically heated in a furnace; the condensing section is water-cooled. The

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Magnesium ingot production by silicothermic reduction

Magnesium thermal reduction is the method that uses natural gas as the process main fuel and nowadays china is the main producer of magnesium and its alloys in the world which produces more than 85% of world magnesium. In 2011, Aramico as a knowledge based company started to build up a magnesium production plant in Iran using Pidgeon process

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Production of Magnesium Metal From Calcined Dolomite

Production of Magnesium Metal From Calcined Dolomite Via Pidgeon Process out as variables in order to obtain high recovery efficiency ratios. The net reaction between ferrosilicon and dolomite is given with Eq. 1. The reaction for the use of CaC 2 to reduce dolomite gives metallic magnesium of 3 moles as shown in Eq. 2. 2MgO·CaO+FeSi 2Mg+Ca 2SiO 4+Fe (1)

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furnace for dolomite treatment to obtain magnesium by

Magnesium Production by the Pidgeon Process Involving 06.03.2008 Thermochemical equilibrium calculations indicate the possibility of considerable fuel savi

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Smelting Magnesium Metal using a Microwave Pidgeon Method

12/04/2017 In the Pidgeon process, crushed Mg ore (dolomite) is subjected to a calcination process (1,000–1,300 °C) that produces dolomite (CaO • MgO). The calcined product is subsequently crushed and mixed with ferrosilicon, an alloy of iron and silicon made by the reduction of silica sand with coke and iron scrap in an arc furnace at a temperature of 1,600

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pidgeon vertical magnesium reduction retorts

15/04/2018 Pidgeon process for Mg production 9 Furnace in production Dolomite (similar to limestone) is heated to remove carbon and leave magnesium and calcium oxides Ferrosilicon is added and, under high temperature, reduces magnesium oxide to pure magnesium vapour, which is condensed to solid magnesium "crown". Get More. Pidgeon Magnesium Reduction

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NUMERICAL SIMULATION OF MAGNESIUM PRODUCTION BY THE

Pidgeon process is a thermal reduction process, which produces magnesium from calcined dolomite under a vacuum pressure of ~10 Pa and at a temperature of 1150~1200℃ using ferrosilicon as a reducing agent. A small quantity of calcium fluoride is added as a catalyst. The whole process is carried out in a refractory brick furnace which consists of a number of

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Life cycle assessment of primary magnesium production

16/06/2009 From dolomite mine to magnesium production plants: Domestic factories using the Pidgeon process have easy access to local resources for production. The average distance, in the three scenarios, from the dolomite mine to the magnesium plant was assumed to be 50 km, and duty trucks with a net load of 15 tons would be used for the transport.

get price

Researchers develop microwave-driven, energy-efficient

18/05/2017 The Pidgeon process heats briquettes containing dolomite ore (dolomite: MgO, CaO) and Ferrosilicon (FeSi) to high temperatures in a silicothermic reduction and then cools the evaporated magnesium to obtain magnesium metal. The hot reaction zone is either gas-fired, coal-fired, or electrically heated in a furnace; the condensing section is water-cooled. The

get price

1 Deborah A. Kramer, Magnesite and Magnesia, from Minerals

subsequently used to produce magnesium by reaction with calcined dolomite. The Pidgeon and Magnetherm processes employ this procedure. The Pidgeon process is a batch process in which dolime and silicon are sized, briquetted, and cha rged into gas-fired or electrically heated retorts of nickel-chrome-steel alloy. The retort is equipped with removable baffles and a

get price

China Pidgeon Process Magnesium Production Plant China

We can provide plant design, equipment/spare parts supply, consultation and technical service for dolomite & magnesite calcination. More than 50 years experience in magnesium industry. Design capacity of magnesium line: 5,000-25,000 tons per year. Professional Process Design Engineers, Equipment Engineers, Electrical Engineers.

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Western Magnesium Initiates the Buildout of Commercialized

28/04/2020 Western Magnesium Corporation (formerly Nevada Clean Magnesium), headquartered in Las Vegas, Nevada, has started the buildout of its first commercialized pilot plant, with several industrial sites in the U.S. under consideration. The company plans to use a proprietary technology for the production of low-cost, green magnesium metal using dolomite

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