Recent Trends in Heat Recovery Cokemaking Processes - ABM

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• Not limited by coal expansion – Can use high wall-pressure coals – Can use low and high rank coals HHR Coal Flexibility • SunCoke demonstrated use of PCI coal (25%), Petroleum Coke (10%), noncoking coal (10%), soft or semi-coking coal (25%) and breeze with minimal impact to CSR • No oven damage risk associated with blend changes – Minimal need to run pilot/moveable wall oven studies • Less risk of exposure to coal supply shortages / issues – SunCoke Energy facilities can change coal blends weekly – Up to 80+ different coal blends used per year September 2011 SunCoke Energy 20
Heat Recovery Oven Flexibility Hypothetical blend of 3 coals HR & By-Product • Heat recovery plants can blend in more high pressure coals HR only • Elimination of wall pressure constraints increases blend flexibility HHR Not constrained to this maximum September 2011 SunCoke Energy 21
Page 1 and 2: Recent Trends in Heat Recovery Coke
Page 3 and 4: Iron Production: Coke Usage Septemb
Page 5 and 6: Reduction Blast Furnace Reducing Ag
Page 7 and 8: Alternate Reductants for Coke Repla
Page 9 and 10: Sun Coke Process Flow Diagram SunCo
Page 11 and 12: Horizontal Non-Heat Recovery - Deve
Page 13 and 14: SunCoke Energy History since 2000 -
Page 15 and 16: Most recent project - Middletown, O
Page 17 and 18: Last 5-Year Technology Advancements
Page 19: Typical SunCoke Energy Battery •
Page 23 and 24: Factors Favoring Heat Recovery Plan
Page 25 and 26: SCE Horizontal HR Coke Plant Improv
Page 27 and 28: Coke Yield Improvements • Current
Page 29 and 30: Coal/Coke Chemistry and Blend Model
Page 31 and 32: Computational Fluid Dynamics (CFD)
Page 33 and 34: Next Generation Environmental Contr
Page 35: Summary • SunCoke Energy has adva

Recent Trends in Heat Recovery Cokemaking Processes - ABM

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