Post on 16-Mar-2020
CO2
Power Plant Air PollutantControl “Mega” Symposium
August 25 - 28, 2008
Integrated SO2 Control andCO2 Capture in a Coal FiredPower Plant
Presented by: Rick Birnbaum Devin Shaw
Cansolv Technologies at aGlance
Founded in 1997 as Union Carbide spin-off Canadian Controlled Private Corporation Located in Montreal, Canada and
Shenzhen, P.R.C. Global leader in amine based
regenerable scrubbing for SO2 and CO2 Providing solutions for:
• Oil & Gas applications : Sulfur plants, FCCs,Cokers
• Industrial combustion applications: coal andbitumen boiler flue gas
• Smelter applications (lead/zinc furnaces,copper anode furnaces)
• Others: acid plant tail gas, incinerator off-gas
SATISFIED CUSTOMERSWORLDWIDE
2009<1000.5%157,000USAAcid Plant Tail Gas
20070.90%50,000CanadaSpent catalyst
20090.40%35,000ChinaSulfuric Acid plant
2002< 150.50%40,000USASulfuric Acid plant
20080.40%960,000ChinaCoal-Fired Cogen Boiler
20070.09% – 2%40,000ChinaCopper Smelter
20090.1% – 10%30,000ChinaLead Smelter
20051500.1% – 11%35,000IndiaLead Smelter
200230 - 457% – 10%4,000CanadaZinc Smelter
2006250.20%430,000USAFluid Coker
200625800 ppmv740,000USAFluid Catalytic Cracking unit
20092%18,000CanadaSulfur Recovery unit
2006< 1404%20,000USASulfur Recovery unit
2002101%12,000BelgiumSulfur Recovery unit
START-UPDATE
FINALEMISSIONS(ppmv)INLET SO2
GAS FLOW(Nm3/h)LOCATIONAPPLICATION
CANSOLV® AROUNDTHE WORLD
Plants in operation Projects (Engineering/Construction phase)
Pilot Plants 2006 - 2008 Cansolv Offices
Learnings from the First10 Years
• Regenerable SO2 Scrubbing is a viable market • Amine is stable in the presence of oxygen, SO2 and metal oxide and ash derived particulates• Amine chemistry is robust• Process operability is sound at all scales of operation• Amine molecule is excellent candidate for CO2
capture
CANSOLV CO2CAPTURE
The CO2 Value Chain is DevelopingBut Much Work Needs to be Done
24/7hrs/day365 day/yr25+ yearProjectLife
CO2 InjectionBasis
Injection
ReservoirEngineerQualifying Disposal Options
CombustionAnd Fuel
Power ProducersExploringOptions
Capture Technology
Capture TechnologiesAdjusting toClient needs
CompressionTechnology
TransportAnd Boosting
CompressionTechnologiesBetter fit intoValue Chain
The CO2 Value Chain isDeveloping
24/7hrs/day365 day/yr25+ yearProjectLife
CO2 InjectionBasis
Capture Technology
CompressionTechnology
TransportAnd Boosting
Injection
ReservoirEngineerQualifying Disposal Options
CombustionAnd Fuel
Power ProducersExploringOptions
Capture TechnologiesAdjusting toClient needs
CompressionTechnologiesBetter fit intoValue Chain
Regulatory and LegalFramework Developing
CO2 Capture Market
Utility perspective• 10 to 30 year carbon reduction targets (tons/kWh)• CCS competes with low carbon intensity sources:
renewables, hydro, nuclear• Capture from highest concentration sources
(coal)• Sequestration economics geography dependant• Timeline: study, pilot, demonstrate, measure,
price.• Political impact central to current activities.• Carbon now central to decisions on new capacity
CO2 Capture Market (Cont’d)
Utility perspective• Not familiar with amine capture. Need to
better understand and manageimplementation risk
• Focus on process / heat integration tominimize energy costs
• Will require extensive knowledgedevelopment in byproduct managementmarkets
CO2 Capture Technology -Current Leaders
Oxy-combustion - Focus on O2 production/ CO2 purity
Chilled Ammonia - Focus on energy costs and flue gas cooling
Amine Based Capture Systems - Focus on energy; degradation and amine losses and integration with power cycle
Cansolv CO2 TechnologyDevelopment Strategy
SO2 compatible Amine based Easy operability of system Lower energy & degradation
than benchmark• stable• reasonable cost• easily sourced• acceptable HS&EA properties
The technology developers challenges:• Developing technology literacy among
customer base• Responding to intense demand for
information• Mastering integration across sectors and
applications• Developing executable, financeable
projects (packaging technical &financial risk)
• Managing market expectations
CO2 Capture Market (Cont’d)
Cansolv CO2 Flowsheet
ABSORPTION COLUMN
REGENERATION COLUMN
AMINE PURIFICATION UNIT
Treated Gas toStack
Impurities toBlowdown
Steam
Condensate
Rich Amine
Lean Amine
Feed Gas
PrescrubQuenchCooling
Water Wash
M/UWater
PurgeWater
CO2Product
LeanFlashSteam
InterstageCooler
Advantages- Standalone process; can be retrofitted as part of Carbon Capture Ready strategy- Up to 90% capture- Integrated internally with MVR and Reboiler Sizing Considerations- Energy consumption approaches 1.18 t steam per tonCO2
Cansolv CO2 CaptureFlowsheet
Energy Consumption is the MainChallenge for CO2 CaptureProcesses
Boiler
Fuel
Feed
Power
Flue Gas
CO2CO2 Capture CO2 Compression
Steam Systems1.4 - 1.7 lb stm/lb CO2
Power Systems
CoolingSystems
Engineering Can Reduce NetEnergy Consumption
Boiler
Fuel
Feed
Power
Flue Gas
CO2
CO2 Capture• Lean Flash MVR• Close Approach temp in Rblr.• Heat from Acid plant• Heat from SO2 Scrubber
CO2 Compression
Steam Systems1.0 - 1.3lb stm/lb CO2
Power Systems
CoolingSystems
LP Steam FromTurbine
Regenerable SO2 ScrubbingAdds to CO2 Efficiency
Basis - 500 MW; 5% S Coal; 80% Carbon
SO2 Scrubbing
H2SO4 Byproduct
CO2 Scrubbing
Steam
CANSOLV Focus - SO2 andCO2 Value Chain and ProcessIntegration
SO2 Scrubbing Byproduct Not historically valued by utilities Introduces by-product market risk and addedcomplexity to operations Recent positive shift in attitudes due to :
Liabilities related to landfilling gypsumCost of limestone / gypsum value chainIncreasing value of by-product (historic highs for
sulfur and sulfuric acid)Potential Post Combustion CO2 Capture obligations
SO2 Scrubbing Can SubsidizeCO2 Capture
Coal Fired Boiler Complex - China5% S, 25% ash boilerVery high mercury and arsenic in coal220 MW equivalent capacity9 tons per hour SO2 or 300 tons per day 98.5%
sulfuric acidNew single contact acid plant built to handle
off-takeAcid plant emissions also controlled by
CANSOLV SO2
Byproduct Byproduct value @ $300/ton:value @ $300/ton:USD 35 million / yearUSD 35 million / year
CANSOLV CO2-SO2 CAPTURE SYSTEM
Sequential removal of SO2 & CO2
99%+ Pure water saturated streamsdelivered
Bulk removal of CO2, ZERO SO2 emissions
Latent energy in SO2 regeneration used asadditional source of regeneration energy forCO2 regeneration
1 ton LP steam / ton CO2 removedachievable
Location: Japan
Demonstration Unit for a Coal Fired Blast
Furnace Slipstream Inlet Gas : 3,500Nm³/hr
CO2 Concentration : ~22 %
CO2 removal : 90%, 30 tpd
No SO2 present
Plant inProcurement
since April 2008
CO2 Capture fromflue gas of a CoalFired Blast Furnace
Process DescriptionStart-Up DateApplication
CO2 PROJECTS INENGINEERING/PROCUREMENT
Location: Norway
Demonstration Unit for a Gas Fired Boiler
Slipstream Inlet Gas : 80,000 Nm³/hr
CO2 Concentration : ~3 %
CO2 removal : 90%, 100 tpd
SO2 Concentration : 50 ppmv
SO2 Emissions : 0 ppmv
Plant inEngineering
since July 2008
CO2 Capture fromflue gas of a Gas
Fired Boiler
Process DescriptionStart-Up DateApplication
CO2 PROJECTS INENGINEERING/PROCUREMENT
CO2 PROJECTS INENGINEERING/PROCUREMENT
Location: Germany
Demonstration Unit for a Coal FiredPower Plant with SO2 and CO2 Scrubbing
Slipstream Inlet Gas : 20,000 Nm³/hr
CO2 Concentration : ~12 %
CO2 removal : 90%, 100 tpd
SO2 Concentration : 70 ppmv
SO2 Emissions : 0 ppmv
Plant inEngineering
since July 2008
CO2 Capture fromflue gas of a CoalFired Power Plant
Process DescriptionStart-Up DateApplication
CANSOLV SO2 - CO2 CAPTURE DEMOPLANT
ABSORPTION COLUMN
CO2 RegeneratorColumn
CO2 AMINE PURIFICATION UNIT
Treated Gas toStack
ImpuritiestoBlowdown
CO2Product
CondensateRichAmine
Feed Gas
Steam
In LineQuench
WaterWash
M/UWater
SO2 AMINE PURIFICATION UNIT
Steam
Cond.
ImpuritiestoBlowdown
SO2Product
SO2 RegeneratorColumn
SO2 Overhead Compression
CO2 RegeneratorColumn
SO2 RefluxDrum
SO2Product
SO2 RegeneratorColumn
SO2 O/HMVR
Lean CO2Amine
-SO2 OverheadCompression
Reduces CO2 Steam by 0.2 t steam /tonCO2 generates revenuefrom byproductconversion- Process concept willbe demonstrated at 50t/day CO2 scale in2009
Motor Drive Mechanical VaporRecompression
LeanAmine
Rich amine
Electrical energy
LP Steam
Condensate
P = 1.2 Bar
P = 2.1 Bar
Flash Tank
Bottom ofRegeneration tower
liquid
vapour
Reduces Steam Consumption by 0.2 t steam/t CO2
Integrated
SO2 ControlandCO2 Capture
DemonstrationPlant
Thank You
Questions?