Recent Trends in Heat Recovery Cokemaking Processes - ABM
Recent Trends in Heat Recovery Cokemaking Processes - ABM Recent Trends in Heat Recovery Cokemaking Processes - ABM
Environmental Impact Benefits • Low VOC emissions – Ovens operate under negative pressure conditions during coking cycle – Complete combustion of VM • SunCoke Energy sets the technology standard in United States – SDA / baghouse is typical – Successfully integrated advanced FGD with coking process • No net waste-water discharge – All process water consumed by quenching September 2011 SunCoke Energy 22
Factors Favoring Heat Recovery Plants • Minimal need for COG in the steel plant • High cost of electricity or no electricity supply available • Steam required for process needs – HHR is a Cogen plant and can replace existing boilers • Coal blend flexibility (no wall pressure limits) – Can utilize wide range of coals (lower cost blends) – Plant location at risk for coal supply disruptions • Strict environmental regulations • No or limited waste water treatment plant • Higher quality coke is required – Large blast furnaces and/or high PCI rates September 2011 SunCoke Energy 23
- 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 and 20: Typical SunCoke Energy Battery •
- Page 21: Heat Recovery Oven Flexibility Hypo
- 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
Environmental Impact Benefits<br />
• Low VOC emissions<br />
– Ovens operate under negative pressure conditions dur<strong>in</strong>g cok<strong>in</strong>g cycle<br />
– Complete combustion of VM<br />
• SunCoke Energy sets the technology standard <strong>in</strong> United States<br />
– SDA / baghouse is typical<br />
– Successfully <strong>in</strong>tegrated advanced FGD with cok<strong>in</strong>g process<br />
• No net waste-water discharge<br />
– All process water consumed by quench<strong>in</strong>g<br />
September 2011 SunCoke Energy 22
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