Lurgi’s MPG Gasification plus Rectisol Gas Purification ... · 16 08.11.2005 GTC 2005, San...
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Transcript of Lurgi’s MPG Gasification plus Rectisol Gas Purification ... · 16 08.11.2005 GTC 2005, San...
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© Lurgi AG
Lurgi’s MPG Gasification plus Rectisol® Gas Purification –Advanced Process Combination for Reliable Syngas Production
Ulrich Koss, Holger SchlichtingGasification Technologies 2005San Francisco, 9. – 12. October 2005
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08.11.2005 GTC 2005, San Francisco, 9.-12. Oct. 20052
MPG - Multi Purpose Gasification
ContentContent
Multi Purpose Gasification– History of Lurgi’ Gasification Know-How– Features of MPG– HP-Pox Demonstration Plant– Application in Ammonia Plant
Gas Purification Technology– Advantages of Rectisol for a Hydrogen Plant
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08.11.2005 GTC 2005, San Francisco, 9.-12. Oct. 20053
MPG - Multi Purpose GasificationLurgi’s Gasification TechnologiesLurgi’s Gasification Technologies
75% of Syngas
from
Coal World Wide
produced in this
type Gasifier
30 years operation
with slurry
feedstockOperates since 5
years with
feedstock mixture
of coal, petcoke
and municipal
waste
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08.11.2005 GTC 2005, San Francisco, 9.-12. Oct. 20054
MPG - Multi Purpose Gasification
Special Features of MPGSpecial Features of MPG
Feed
QuenchWater
O2 + Steam
Gas-offtake
Soot Slurry
Feed A Feed BSteamCooling Water
O2
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5
MPG - Multi Purpose GasificationAdvantages of MPG
• Feedstock Flexibility• No limitations on Flash Point of
Feedstock• Viscosity up to 300 cSt• Particles up to 1 mm
• Life Time of Burner Higher Reliability and Availability
• Restart without Inspection• Inherent Safety by pressurized Cooling
Water System• Low Feedstock Pressure Drop allows
for cheaper Oil-Pumps • Simultaneous feeding of immiscible
Feedstock• Integrated Heat-up Burner
Client did not inspect burner even
during 2 weeks general turnaround
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08.11.2005 GTC 2005, San Francisco, 9.-12. Oct. 20056
MPG - Multi Purpose GasificationComparison Quench/BoilerComparison Quench/Boiler
Feed
Soot Slurry
QuenchWater
Oxidant(O2 Air)Steam
Feed
Oxidant(O2 Air)Steam
Syngas
Syngas
Burner
Boiler Configuration
Sat. HP-steam
HeatRecovery
Boiler
Quench Configuration
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08.11.2005 GTC 2005, San Francisco, 9.-12. Oct. 20057
MPG - Multi Purpose Gasification
Comparison Quench versus Boiler ConfigurationComparison Quench versus Boiler Configuration
Boiler Configuration
Feedstock limitations due to possible Boiler fouling
HP-Steam availablehighest thermal efficiency
2 step gas cleaningstrong Claus gas
Higher costs for boiler(normally payback < 2 years)
Quench Configuration
Feedstock flexibility
MP-steam availabletrade off efficiency versus costs
Fastest route to hydrogenbut weak Claus gas
Lowest cost for hydrogen production unit
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08.11.2005 GTC 2005, San Francisco, 9.-12. Oct. 20058
MPG - Multi Purpose GasificationHP-POX Demonstration Plant at Technical University of Freiberg, Saxonia, Germany
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08.11.2005 GTC 2005, San Francisco, 9.-12. Oct. 20059
MPG - Multi Purpose Gasification
HP-POX Demonstration Plant
Multi Process Test Facility:
ATR, Gas-Pox, MPG (liquid feedstock)
Feedstock:Liquid Feedstock 500 kg/h
Natural Gas 500 m3/h(0.5 MMSCFD)
Reactor:Operating Pressure 100 bar
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08.11.2005 GTC 2005, San Francisco, 9.-12. Oct. 200510
MPG - Multi Purpose GasificationHP-POX Demonstration Plant
WaterTreatment
Storage
Compressor
Pump andVaporizier
Steam Generator
Soot Water Cooler
Fresh water
LiquidFeeds
NitrogenSupply
Instrument AirSupply
MeasuringStation
Power Supply AnalyticalArea
DesulphurisationReactor
Flar
e Sy
stemNatural
Gas
Liquid O2
Soot Water
Flue Gas
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08.11.2005 GTC 2005, San Francisco, 9.-12. Oct. 200511
MPG - Multi Purpose Gasification
MPG-Reactor in Asphalt based NH3-PlantMPG-Reactor in Asphalt based NH3-Plant
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08.11.2005 GTC 2005, San Francisco, 9.-12. Oct. 200512
MPG - Multi Purpose GasificationFeedstock and Product
Feedstock:Residue Asphalt 970 t/dC/H-Ratio 8.8 kg/kg
Ash Content 0.04 wt%
Viscosity at 180°C 360 cSt
Viscosity at 290°C 20 cSt
Flash Point 170 °C
Products:Ammonia 1350 t/dEquivalent H2 113 000 Nm3/h
(100 MMSCFD)Urea 2000 t/d
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MPG - Multi Purpose Gasification
Fertilizer Plant Based on Residue Asphalt
Gasification+ WHB
RectisolH2S Removal CO-Shift Rectisol
CO2 RemovalLiquid
N2 WashNH3
Synthesis
CarbonRecovery Claus Unit Urea
Synthesis
Air Separation
HP-SteamBoiler
Air
Feed
HP-Steam
SulfurSoot and AshPellets
Pure CO2Urea
LiquidAmmonia
O2
RefrigerationUnit
Pure Hydrogen
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08.11.2005 GTC 2005, San Francisco, 9.-12. Oct. 200514
MPG - Multi Purpose Gasification
Raw Syngas
Natural Gas
Off-Gas
Rectisol®
Purisol®
aMDEA
MDEA / DEA
Others Tail Gas Treating
Sulphur
Ultra Pure Syngas
Turbine Gas
Pipeline Gas
Pure Off-Gas
Pure CO2 By-Product
Sulphur Recovery
Own TechnologySpecific Expertise
Lurgi´s Gas PurificationTechnology Ownership
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08.11.2005 GTC 2005, San Francisco, 9.-12. Oct. 200515
MPG - Multi Purpose Gasification
Product Gas Purity
Rectisol® 0.1 - 1 ppm H2S + COS10 - 50 ppm CO2
Purisol® 5 - 50 ppm H2S, no COS removal
MDEA 3 - 50 ppm H2S; no COS removal
aMDEA® 1- 50 ppm H2S5 - 50 ppm CO2
Selection of Appropriate Gas Purification Process
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08.11.2005 GTC 2005, San Francisco, 9.-12. Oct. 200516
MPG - Multi Purpose Gasification
MPG based H2 PlantMPG based H2 Plant
HydrogenRectisol® PSA
High BTULow SulfurFuel Gas
Pure CO2
Waste WaterTreatment
Process Water
OxyClaus®
Sulphur
O2
H2S+CO2
Feedstock
MPGQuench
Steam
CarbonSlurry
MARS
Metals/AshAir
ASU
O2
Raw GasShift
GasCooling
LP-Steam
Metha-nation
97%HydrogenSelective
AGR
Impure CO2
Low BTUS > 100 ppm
Fuel Gas
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08.11.2005 GTC 2005, San Francisco, 9.-12. Oct. 200517
MPG - Multi Purpose Gasification
“Five-in-one”:1. Trace contaminant removal COS, CS2, NH3, HCN, Hg …….
2. Deep Desulfurization directly to synthesis feed quality (Total S < 0.1 ppmv)only with Rectisol® !
3. Bulk CO2 removal 100 % CO2 can be recovered
4. CO2 purification Total S < 5 ppmV in CO2 Stream
5. Acid Gas Enrichment Claus-suited acid gas even at a CO2/H2S ratio of > 500
one Rectisol® compares with five tasks to be performed in five processes steps
Rectisol® - A costly technology?
So, set up the right B.L. when comparing costs!
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08.11.2005 GTC 2005, San Francisco, 9.-12. Oct. 200518
MPG - Multi Purpose Gasification
Trace Contaminants
Carbonyls
COS
NH3
Mercaptans
HCN
Hg
CS2
VOC´s
© Wilhelm Busch
It´s the small bugs that can bother you most!
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MPG - Multi Purpose Gasification1950- 2005: The Rectisol® Story
Capacity Installed & Operating
0
50
100
150
200
250
300
350
1960 1965 1970 1975 1980 1985 1990 1995 2000 2005
Mio
Nm
3/da
y ex
Gas
ifiers
Pure IGCC
Others
Rectisol
Today, Rectisol purifies
75 % of the world´s syntheticgas produced from oil residue, coal, & wastes
90 % of synthesis gasproduced by gasification (non-IGCC use)
Source: GTC Gasification Data Base
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MPG - Multi Purpose Gasification
SummarySummary
A Gasification Plant consists not only of the gasifier
Consider optimum integration of the required process steps– Gasification– CO-Shift Conversion– Gas Purification– Soot Water Handling– Claus Process
Advantages of Rectisol Gas Purification are worldwide recognized
6 new Rectisol plants in the last 2 years
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08.11.2005 GTC 2005, San Francisco, 9.-12. Oct. 200521
MPG - Multi Purpose Gasification
Dr. Holger SchlichtingProcess Manager MPGDept. A-TEEPhone +49 69 5808 1418Fax +49 69 5808 2645e-mail [email protected]
? Comments ?Contact :
Ulrich KossHead Syngas TechnologyDept. A-TEPhone +49 69 5808 3740Fax +49 69 5808 2645e-mail [email protected]
Lurgi AGD-60295 Frankfurt am MainGermanyInternet: www.lurgi.de
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MPG - Multi Purpose Gasification