driving innovation delivering results
TRANSCRIPT
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National Energy Technology Laboratory
Driving Innovation ♦ Delivering Results
Nelson F. Rekos
14 June 2016TRIGTM Technology from Wilsonville to Kemper
8th International Freiberg Conference on IGCC and XtL TechnologiesCologne, Germany
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TRIGTM Gasifier
Attributes/Advantages
• Simple, Well Established Design• Flexible Operation – Air-Blown or
Oxygen-Blown• Moderate Gas Temperatures
Less expensive materials of construction
10 -20 year refractory life No slag – ash leaves as a powder
• Dry Feed Ideal for High Moisture Fuels
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Development of the Transport Gasifierfor Power and Chemical Production
TRIGTM Leverages Long History of Fluid Catalytic Cracking (FCC) Expertise
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Technology Development
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Modifications Implemented
• 2004 - Commissioned Continuous Fine Ash Depressurization (CFAD)
• 2005 - Commissioned Continuous Coarse Ash Depressurization (CCAD)
• 2006 - Commissioned Transport Gasifier Modifications– Gas Flow Distribution Modification in the Mixing Zone – Gasifier Configuration Modifications
• Incorporated a two stage solid separations unit• Increased riser diameter• Evaluation of various refractory materials
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Fluid Bed Dryer
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Feed System Development
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Hot Gas Filtration Technology
• In the advancement of hot gas filtration technology, efforts focused primarily on:– Testing filter element materials– Identifying reliable failsafe designs– Understanding and addressing ash bridging– Enhancing instrumentation– Defining the relationship between gasification ash characteristics and
PCD design requirements
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The Next step for TRIGTM Technology -KEMPER
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Kemper County IGCC Project Overview• 2x1 Integrated Gasification Combined Cycle (IGCC)
– 2 Transport Gasifiers– 2 Siemens SGT6-5000F CTs– 1 Toshiba Steam Turbine– 582 MWe peak and 524 Mwe on syngas– >65% CO2 capture– Mine Mouth Lignite
• Owner & Operator: Mississippi Power• Commercial Operating Date: 3rd Qtr of 2016
– Combined Cycle in Service August 2014
• Zero Liquid Discharge• By-Products (TPY)
– ~3,000,000 – Carbon Dioxide used for EOR– ~135,000 – Sulfuric Acid– ~20,000 - Ammonia
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Operator Training Simulator
Issues Solved Using the Simulator
• Has proven to be beneficial for procedure, DCS controls, SIS, and interface checkout.
• Numerous findings have saved coutlesshours that would have been spent during startup.
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What’s Next
1. Coal Feed (Train B).
2. Commission AGR Refrigeration Unit.
3. Syngas to Cleanup Unit.
4. Byproduct Generation.
5. Syngas to Turbine.
6. Refractory Cure (Gasifier A).
7. Repeat 1-5 (Train A)
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