metals in industryOpt

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Metals in Industry, working with metals 100’s of free ppt’s from www.pptpoint.com library
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Iron and Steel In previous work we considered the role of the blast furnace in  extracting iron from its ore. The iron contains roughly 5% carbon and different metals and  is very ________.  In order to reduce these impurities and  convert the iron into _________ the molten iron is  transferred into another furnace where it is mixed with  recycled scrap iron and pure ___________.  The oxygen  reacts with the metal impurities to form ________ oxides.   Calcium carbonate is also added to remove some of the acidic  oxides as _______ when the furnace is tilted. Words  – slag, brittle, steel, oxygen, acidic
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Making steel – the reactions 1)  Mixing oxygen with silicon impurities: 2)  Decomposition of limestone: 3)  Adding these products together: Silicon + oxygen                Silicon oxide
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This note was uploaded on 11/09/2011 for the course CHEM 210 taught by Professor Wilson during the Fall '10 term at BYU.

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metals in industryOpt - 100s of free ppts from...

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