http://www.epa.gov/nsr/ghgdocs/ironsteel.pdf
                                            
                                          Twin-Shell DC Arc Furnace
A twin-shell furnace includes two EAF vessels with a common arc and power supply system. The system increases productivity by decreasing tap-to-tap time, and reduces energy consumption by reducing heat losses.
| Development Status | Products | 
|---|---|
| 
                                  Commercial
                                 | 
                                  EAF Steel
                                 | 
Twin-Shell DC Arc FurnaceCosts & Benefits
| Parent Process: Electric Arc Furnace | |
|---|---|
| Energy Savings Potential | Electricity savings are 0.068GJ/t-steel. | 
| CO2 Emission Reduction Potential | Emissions reduction potential of the technology is 11.1KgCO2/t-steel. | 
| Costs | Retrofit capital cost is $9.4/t-steel over that of a single-shell furnace. The payback time is estimated as 3.5 years.. | 
Twin-Shell DC Arc Furnace Publications
Available and Emerging Technologies for Reducing Greenhouse Gas Emissions from the Iron and Steel Industry
Page Number:
                                    11
                                  
                                




