Combustion Zone
Reaction : Combustion of coke Temperature of the region: 2000 0 C..
Reaction : Combustion of coke Temperature of the region: 2000 0 C..Reduction Zone
Reduction of haemetite to molten iron takes place here. Temperature of the region: 500-700 C In the upper region of the furnace, the CO reduces the haemetite to molten iron and oxidizes it self to CO 2 . The molten iron produced is collected, poured into moulds and solidified to give pig iron..
Reduction of haemetite to molten iron takes place here. Temperature of the region: 500-700 C In the upper region of the furnace, the CO reduces the haemetite to molten iron and oxidizes it self to CO 2 . The molten iron produced is collected, poured into moulds and solidified to give pig iron..Zone refining method
When metals are required in a ultra pure state, the zone refining method is used. The principle-employed states that the impurities, which lower the melting point of a metal remain preferentially dissolved in the liquid phase and purer metal will emerge in the solid phase. In actual prac..
When metals are required in a ultra pure state, the zone refining method is used. The principle-employed states that the impurities, which lower the melting point of a metal remain preferentially dissolved in the liquid phase and purer metal will emerge in the solid phase. In actual prac..Arid zone:
In this zone the annual rainfall is very low (i.e., it ranges from 20 to 50 cm). Rajastan and parts of Gujarat fall under this region..
Zone Refining
This method is used for obtaining ultra pure metals like germanium, silicon and galliu..
b) Buffer zone
Limited human activity is permitted in the buffer zone..
Semi arid zone:
Annual rainfall is moderate (i.e. between 50-100 cm). Most parts of central India, Southern peninsula and parts of Rajasthan and Gujarat comes under this region..
Activity zone Animation
Differentiation Animation..
Differentiation Animation..Middle ear
The middle ear consists..
Middle pipe
The simultaneous pressure of air in the inner pipe and water of the outermost pipe forces the sulphur froth to rise up while the earthly impurities are left behind (Fig13.21). ..
The simultaneous pressure of air in the inner pipe and water of the outermost pipe forces the sulphur froth to rise up while the earthly impurities are left behind (Fig13.21). ..See what our Users say :
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