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Хімізм процесу добування чавуну

Хімізм процесу добування чавуну. Fe 2 O 3  Fe 3 O 4  FeO  Fe. 3Fe 2 O 3 + CO  2 Fe 3 O 4 + CO 2 . Fe 3 O 4 + CO  3 FeO + CO 2 . FeO + CO  Fe + CO 2 . Fe + C = Fe 3 C. 3 Fe + 2 CO  Fe 3 С + CO 2 . С aCO 3 = CaO + CO 2 . С aO + SiO 2 = CaSi O 3. Хімізм процесу

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Хімізм процесу добування чавуну

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  1. Хімізм процесу добування чавуну Fe2O3 Fe3O4  FeO  Fe 3Fe2O3 + CO  2Fe3O4 + CO2 Fe3O4 + CO  3FeO+ CO2 FeO + CO  Fe+ CO2 Fe + C =Fe3C 3Fe+ 2CO  Fe3С+ CO2 СaCO3= CaO + CO2 СaO+ SiO2 = CaSiO3

  2. Хімізм процесу виплавки сталі 2C + O2= 2CO  2Fe + O2=2FeO + Q Si + 2FeO= SiO2 + 2Fe +Q Mn + FeO= MnO+ Fe + Q 2P + 5FeO= P2O5 + 5Fe + Q C + FeO= CO+ Fe - Q

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