scholarly journals Industrial energy productivity project. Iron and steel industry. Final report

1983 ◽  
Keyword(s):  
Steel Industry ◽  
Final Report ◽  
Iron And Steel Industry ◽  
Energy Productivity ◽  
Iron And Steel ◽  
Industrial Energy

Computation of Chemical Exergy Potential in an Industrial AC Electric ARC Furnace

2005 ◽  
Vol 127 (1) ◽  
pp. 66-70 ◽  
Author(s):  
U¨nal C¸amdali ◽  
Murat Tunc¸
Keyword(s):  
Steel Industry ◽  
Electric Arc Furnace ◽  
Electric Arc ◽  
Energy Costs ◽  
Iron And Steel Industry ◽  
Arc Furnace ◽  
Iron And Steel ◽  
Dead State ◽  
Chemical Exergy ◽  
Industrial Energy

Chemical exergy is equal to the maximum amount of work obtainable when the substance is brought from the environmental state to the dead state by a process involving heat transfer and exchange of substances only with the environment. As it is well known the iron and steel industry is the largest industrial energy consumer. After the employee costs, energy costs (about 30% of the total) represent the second highest cost element in integrated steel works. In this study, the chemical exergy potential in an electric arc furnace (EAF) is calculated and these potentials are distributed depending on production materials, emphasizing the chemical exergy concept.

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