slag granulation oxidation

Slag Granulation Oxidation

Blast Furnace Slag Granulation | Iron Making WRT ...

Blast Furnace Slag Granulation Saint-Gobain ceramic materials extend the lifetime of slag granulation equipment over traditional refractory lined and hardened steel components. Abrasion and corrosion can hinder operational efficiency and increase downtime.

Hatch Ironmaking Technologies | Dry Slag Granulation ...

Dry Slag Granulation Water granulation is the most commonly used method to handle blast furnace slag and requires a granulation and a dewatering step to process the slag. In water granulation, the energy in the slag is lost from water evaporation and cooling and is difficult or impossible to recover.

Blast furnace slag granulation at cast house – IspatGuru

May 05, 2013 · The process of slag granulation involves pouring the molten slag through a high pressure water spray in a granulation head, located in close proximity to the blast furnace. Granulation process is the controlled quenching of the slag in cold water which does not give time for crystalline growth to take place.

Mineralogy and Initial Chlorination of Water Granulated ...

Jul 18, 2013 · Water granulation of high titania slag causes oxidation of some of the trivalent titanium in the slag to the tetravalent form; in smaller granules, some iron is also oxidized to ferric. Oxidation changes the phase constitution of the slag, with more rutile present (containing some iron oxide in …

Blast Furnace Slag Granulation / Ironmaking / Our ...

BLAST FURNACE SLAG GRANULATION. Granulation, dewatering and storage of the slag can be done adjacent to the furnace or can be split up to suit available plant space or logistics. Modern condensation concepts and closed loop water circuits ensure effective environmental control.The INBA system with steam condensation is officially recognised as a Best Available Technology (BAT).


Production, Characteristics and Use of Ferrochromium Slags 173 2.1 Ferrochrome slag The temperature of the slag in tapping is 1700 °C and that of the ferrochrome 1600 °C. The smelting point of the slag has to be higher than the metal smelting point, because metal is heated up by using slag liquid phase.


Steel slags are produced at steel melting shop during steel manufacturing. To produce steel, removal of excess silicon and carbon from iron is achieved through oxidation by adding limestone and coke. The steel slag contains higher amount of iron and its physical characteristics are similar to air-cooled iron slag.

Granulation of titania slag - SAIMM

Granulation of titania slag has been identified as a potential viable alternative to the conventional block route. Granulation of furnace products is well known in the pyrometallurgical industry. Examples of the application of granulation in South Africa include matte and slag granulation (Jacobs), as well as ferrochromium alloy granulation (Visser).

Types of iron and steel slag : NIPPON SLAG ASSOCIATION

Electric arc furnace slag. It consists of oxidizing slag that is generated during oxidation refining, and reducing slag that is generated during reduction refining. Approximately 70 kg of electric arc furnace oxidizing slag and 40 kg of reducing slag are generated for each ton of electric arc furnace steel.

Slag - Wikipedia

Slag from steel mills in ferrous smelting, on the other hand, is designed to minimize iron loss and so mainly contains oxides of calcium, silicon, magnesium, and aluminium. Any sandy component or quartz component of the original ore automatically carries through the smelting process as silicon dioxide.


material handing, granulation, and off-gas treatment. Outotec’s Production Network concept provides economic flexi-bility by decoupling the smelting and converting processes. Dry feed mixture Matte Matte granules Ground matte Blister copper Hot off-gas Dust Hot off-gas Dust Slag Anode sheets Slag granules Discard slag Slag concentrate Anode ...

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