what is iron ore slag

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Iron and Steel Slag Statistics and Information

Iron and steel slags are coproducts of iron and steel manufacturing. In the production of iron the blast furnace is charged with iron ore fluxing agents usually limestone and dolomite and coke as fuel and the reducing agent. The iron ore is a mixture of iron oxides silica and alumina. From this and the added fluxing agents molten slag and

Types of iron and steel slag : NIPPON SLAG ASSOCIATION

Blast furnace slag. Blast furnace slag is recovered by melting separation from blast furnaces that produce molten pig iron. It consists of nonferrous components contained in the iron ore together with limestone as an auxiliary materials and ash from coke. Approximately 290 kg of slag is generated for each ton of pig iron.

Mineral Resource of the Month: Iron and Steel Slag

Ferrous slag forms as a dominantly calcium sili e melt that floats on top of the molten crude iron or steel the slag is then removed from the liquid metal. For typical iron ore grades 60 to 66 percent iron blast furnace slag output will be about 0.25 to 0.30 metric tons of slag per ton of crude iron produced.

Slag Some Meteorite Information Washington University in

Slag usually refers to a glassy byproduct of smelting ores to retrieve the metal. I use the term here to also include any manmade rocklike byproduct of heating things to high temperature. Thus clinkers are a form of slag. Slags ch people attention because of their morphology. Many slags contain metal from inefficient separation of

What is Slag Glass Price Guide and History

Slag glass gets its name from slag or the byproduct of steel production. When iron ore is smelted in that process the remaining residue is a glasslike often glossy material that takes on different colors depending on the minerals and elements present in the iron.

Its slag Answer to FoW 33 Ohio History Connection

Slag from Hope Furnace Vinton County Ohio. Several of you recognized this hard shiny material as slag. Though it can look like the mineral obsidian slag is actually the byproduct of the smelting process to obtain metal from ore. Metals such as iron lead copper and others are found in nature in their impure states called ores.

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.

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