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1.The impurities during the extraction of a metal above the molten metal in a furnace containing mostly silicates are slag.
2.The impurities that form as a protective layer in welding that help control the cooling process, help suck some impurities from the weld, and prevent outside contaminents from entering the weld as it cool's, like oxygen that causes rapid rust while the metal is near multen hot, to multen.
What else can I help you with?
What is the specific heat of slag?
209 kj/kg
Is a waste product from iron ore?
not yu get a life
How is plastic dyed?
Before the plastic is molded dyes are added to the molten plastic.
Why KCl or KF is added in the electrolysis of molten NaCl?
To decrease melting point of NaCl
What are facts about the blast furnace?
The oldest extant blast furnaces were built during the Han Dynasty of China in the 1st century BC, that's pretty interesting if you ask me. And of course the fact you get a 'SLAG' at the end.
What are the 2 liquids that are tapped off from a blast furnace?
The two liquids tapped off from a blast furnace are molten iron and slag. Molten iron is the main product, while slag is a byproduct that is formed from impurities in the ore.
What does molten slag contain?
Molten slag typically contains a mixture of metal oxides, silicon dioxide, and other impurities left over from the smelting process. The composition of slag can vary depending on the type of metal being processed and the specific smelting conditions.
What is added to remove rocky waste and it forms molten slag?
Limestone
What kind of fire bricks are used for molten blast furnace slag?
High alumina fire bricks are commonly used in applications involving molten blast furnace slag due to their high refractoriness and resistance to thermal shock. These bricks are able to withstand the high temperatures and harsh conditions of the slag without deforming or deteriorating quickly.
Gold or silver bars how do you remove the slag?
To remove slag from gold or silver bars, you can heat the bars in a furnace until the slag becomes molten. Then, you can carefully pour off the slag, leaving behind the purified metal. It's important to use proper safety gear and follow appropriate procedures when handling molten metals.
What is slag powder?
Slag is the unwanted stuff that floats on top of molten metal. It is often glassy. My house has slag powder as insulation in the floors (it was built in 1940 and there was (and still is) an iron foundry in the town.
What is a word for molten metal scum?
Dross is a term used to describe impurities or scum that float on the surface of molten metal.
Which material formed during smelting is denser molted metal or slag?
The molten metal is the denser material, the slag floats on top of it and can be "scooped" off during the smelting process.
Does iron ore slag sink to the bottom of the blast furnace?
Slag is the waste which is skimmed off the top of the molten iron that comes out of the blast furnace. It is a mixture of calcium and magnesium compounds, plus other impurities such as iron oxide, but is mainly calcium silicate. The formula for calcium silicate is CaSiO3.
Why limestone is used in the blast furnace?
Limestone is used in the blast furnace as a flux material to help remove impurities such as silica, which would otherwise form a slag that interferes with the smelting process. When limestone is added, it combines with the impurities to form a molten slag that can be easily separated from the molten iron.
What is slag from welding?
Slag is the residue left on a weld bead from the flux. It shields the hot metal from atmospheric contaminants that may weaken the weld joint. Slag can also be globules of molten metal that are expelled from the joint and then re solidify on the metal surface. in either case, they are usually chipped away with a slag hammer.
What is added to the flux and form a slag?
Common additives to the flux, such as limestone or silica, react with impurities in the metal to form a slag. This slag helps to remove impurities from the metal during the refining process and is then removed from the surface of the molten metal.
