world coal-to-liquids presentation
DESCRIPTION
Presented at the World CTL Conference 2009 in Washington, D.C.TRANSCRIPT
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1 /GE /
GE Energy Gasification
World CTL Conference
Robert CarpenterMarketing Program Manager, Gasification
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2 /GE /
Agenda
GE leadership & experience
Important design characteristics
Process description
Critical process elements
Project complexities
+/- of Illinois #6 coal
Key results/data
Summary
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GE leadership & experience
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4 /GE /
GE Energy: gasification leadership
GE Energy’s Experience
• Gasification leader since 1948
• 65 facilities worldwide (+19 under construction)
• ~120 gasification vessels in operation
• 1966: first heavy fuel oil gasification
• 27 plants today on liquid fuels
• 27 turbines with syngas
• 1MM+ operating hours
• 33 projects globally that separate CO2
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5 /GE /
~ 15 lb/hr~ 100 Mt/hr
Dry /Wet InjectBangalore
Drop Tube FurnaceCalifornia
HP Coal FeedShanghai
Proposed Research Center Wyoming
Quench Flow FacilityNew York
ConversionControls
ConversionFoulingFuel Flexibility
Adv TechnologiesOperability & ControlsFuel Flexibility
Injection TechnologiesOperability & ControlsFuel Flexibility
EntrainmentStability & ControlQuench Chamber Design
Continuing to invest in technology
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6 /GE /
The HPG-ATC at the U of WyomingHigh Plains Gasification Advanced Technology Center:
Developing the next generation of gasification technologies
Status
• Site Selection…May ‘09
• Start PreFEED…May ‘09
• COD 2012
• PRB & other coals• Scaled facility• Commercial level gasification
– Dry feed (pressure/metering)– Dry injection (spray dispersion)– Dry gasification (O/C ratio)
• Complete process blocks– Coal feeding system– Gasification island– Carbon capture systems– Water treatment systems– Data acquisition & controls
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Important configuration characteristics
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8 /GE /
Configuration basis for presentation
• Note: GE does not own F-T technology
• Gasification to support 40,000 bpd CTL plant
• Choice of feedstock: Illinois #6 coal
• Diesel: 28,000 bpd
• Naphtha/LPG: 14,000 bpd
• Plant location: US
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Process description
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10 /GE /
Indirect CTL with F-T superior fuels
GasificationProcess
Syngas Cleanup Process
Coal Oxygen
SourSyngas
SweetSyngas
Clean Fuels
Power block
SulfurCO2
Stream
• Proven, commercial process, operating in South Africa• F-T diesel high cetane, low aromatics, near zero sulfur• Naphtha straight chain paraffinic, near zero sulfur
Fischer-Tropschsynthesis
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11 /GE /
Process visual model of IGCC plant
Click for visual model
Today’s discussion focus is here
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12 /GE /
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13 /GE /
Purge Water
Clarifier
Particulate FreeSynthesis Gas
PARTICULATE SCRUBBER
Quenched Syngas
GASIFIERCoal Feed
Recycle
Oxidant
GASIFICATION AND GAS COOLING GAS SCRUBBING
Coarse Slag to Sale/Disposal
SLAG SUMP
LOCKHOPPER
SLURRY PUMP
Slag Separator
Recycle
Water
GRINDING AND SLURRY PREPARATION
GRINDING MILL
SLURRY TANK
QUENCH CHAMBER
Char
GE’s quench system configuration
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Critical process elements
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15 /GE /
Syngas quality & treatment are criticalKey needs
Cost effective solution for hydrogen, CTL & chemicals
Entrained flow
Refractory-lined
Slurry feed
Quench configuration
Saturated syngas
Up to 1200 psig
Fuel flexibility
Water recycle
Fue
l
Rea
ctor
Oxi
dant
Syn
gas
Pro
duct
Simple
Reliable
High H2:CO
Solids removal
Water for shift
Min. compression
Fuel flexibility
Water use minimization
GE Energy’s Quench
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Project complexities
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17 /GE /
Project complexities are massive
Integration is complicated by: • Increased schedule & cost (multi party contracts) • Risk allocation for financing • Wrapping for process/performance guarantee?
• No sole engineer• Multiple licensors
• Multiple operation scenarios • Turndown • Off-design periods• Polygeneration
Integration offers sizeable benefits: • higher efficiency• operator ownership of optimized plant performance• thermal balance (minimized waste heat)
Financing the highest hurdle: • CAPEX scale is enormous for large scale refinery equivalents• Securing financing in today’s environment• Need strong balance sheet partners
Integration = opportunity
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Key results/data
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19 /GE /
The results/performance
•CO2 from gasification step only1SSEB 2005, DOE 2007, RAND 2008
• CO2 production in tons/bbl? 0.23 Tonnes/bbl CTL*
• Needs of water in tons/bbl? 2.3 bbl water/bbl CTL
• Can biomass be added? Up to what %? Our customers have tested up to 5% … not in our current process design
• CAPEX $ for this 40,000 BPD plant (inside battery limits) Recent, public estimates $60-105k/bpd capacity1
Coal feed 18,000Tpd
ProductsDiesel 26,700 bpdNaphtha 9,500 bpdLPG 3,800 bpdTotal 40,000bpd
Power Gross Power 620 MWExport 45MW
Overall balance
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Summary
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21 /GE /
Summary
www.ge-energy.com/[email protected]
GE leadership & experience
Important design characteristics
Process description
Critical process elements
Project complexities
+/- of Illinois #6 coal
Key results/data
Summary
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22 /GE /
GE Energy Gasification
World CTL Conference
Robert CarpenterMarketing Program Manager, Gasification