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Transcript of AspenTech’s Carbon Capture · PDF fileNatural Gas Treatment H2S Removal from CO2 Using...
© 2013 Aspen Technology, Inc. All rights reserved
AspenTech’s Carbon Capture Modeling
Achieve better designs and commercial viability
Mike Mendez, Business Consultant
Engineering Collaboration Webinar Series
February 20, 2013
© 2013 Aspen Technology, Inc. All rights reserved |
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Ongoing Series of Technical Webinars Engineering Webinars for education and best practices
UPCOMING WEBINARS OF INTEREST:
APAC Webinar: Model Solids Processes Easily with Aspen Plus (Technical) – February 28th
APAC Webinar: Optimize Utility Costs with Aspen Utilities Planner (Technical) – March 7th
Optimize Economic Evaluation Throughout the Design Process (Technical) – March 12th
Melhorar a Modelagem do Projeto Conceitual com um Fluxo de Trabalho Integrado Usando o Aspen HYSYS - 13 de Março
Optimize Energy Use in New Process Designs with aspenONE Analysis Tools featuring Maturus Optimi – March 27th
ALSO UPCOMING:
Optimize 2013 Global Conference – May 6th-8th
© 2013 Aspen Technology, Inc. All rights reserved |
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Common Models & Data
aspenONE Integration
Support Manufacturing & Supply Chain
Conceptual Engineering
Basic Engineering
Detailed Engineering
aspenONE Engineering Best-in-class engineering solutions in an integrated work flow
Aspen Simulation Workbook & Aspen Online Deployment
Aspen Petroleum Downstream & HYSYS Upstream
Aspen Equipment Design & Rating
Aspen Basic Engineering Aspen Capital
Cost Estimator (ACCE)
Aspen Plus Dynamics, ACM & Flare System & Energy Analyzer
Aspen Plus
Aspen HYSYS
Aspen Process Economic Analyzer (APEA)
Detailed Engineering
Aspen Plus
Aspen HYSYS
© 2013 Aspen Technology, Inc. All rights reserved |
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Topics
The Value of AspenTech’s Carbon Capture Solutions
AspenTech’s Carbon Capture Modeling Overview
Carbon Capture Samples and New Packages in V8.0
Demonstration – Tips for Easing the Effort
Q&A
© 2013 Aspen Technology, Inc. All rights reserved |
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Key Business Challenges in Carbon Management
Business Goal:
Minimize Greenhouse Gas (GHG) Emissions
Challenges:
Carbon Capture and Conversion to Biomass
– Energetically and economically taxing
– Difficult to scale
Solution:
Energy Minimization is best technology today
Need powerful tools to optimize energy in process
Enter aspenONE Engineering The world’s largest carbon
capture test facility (Technology Centre Mongstad, Norway) uses
Aspen Plus and Aspen IP.21
© 2013 Aspen Technology, Inc. All rights reserved |
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Aspen Plus Carbon Capture Solutions
New Rate-Based Carbon Capture Packed Column Models
Five new models available as downloads (August 2012)
Supported under Aspen Plus V7.3.2, V8.0
Model aqueous amine absorbents in packed column absorbers/strippers
Business Benefits
Improve accuracy of amine absorbent absorption predictions
Better model accuracy supports scale-up and economic predictions
Shorter time to market
Lower R&D expenses
© 2013 Aspen Technology, Inc. All rights reserved |
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How to Access These Models
Online: http://support.aspentech.com/webteamasp/My/FrameDef.asp?/webteamasp/DownloadNow.asp?p=CO2Models
Within Aspen Plus V8.0
© 2013 Aspen Technology, Inc. All rights reserved |
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Topics
The Value of AspenTech’s Carbon Capture Solutions
AspenTech’s Carbon Capture Modeling Overview
Carbon Capture Samples and New Packages in V8.0
Demonstration – Tips for Easing the Effort
Q&A
© 2013 Aspen Technology, Inc. All rights reserved |
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Scope of Carbon Capture Processes
Carbon capture technologies cover a broad range of industrial applications
Environmental - GHG Mitigation
Natural Gas Treatment
H2S Removal from CO2 Using Kinetic Selectivity
CO2 Removal and Recompression for Enhanced Oil Recovery
Syngas Production – as in methanol, ammonia, SNG and FT processes
© 2013 Aspen Technology, Inc. All rights reserved |
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AspenTech’s Carbon Capture Modeling Functionality
Property Packages
Electrolytes
Chemistry
Reaction Kinetics
Rate-Based Distillation
Mass-Transfer and Heat Transfer Methods
Calculations based on tray and packing internals
No need for stage efficiencies
Integrated Environment that Supports:
Unified model with the greater process unit simulation
Equipment Sizing – towers, heat-exchange, pumps, compressors, hydraulics…
Economic Analysis
Reaction type Stoichiometry
1 EQUIL 2 H2O <--> H3O+ + OH-
2 EQUIL HCO3- + H2O <--> CO3-2 + H3O+
3 EQUIL PZH+ + H2O <--> PZ + H3O+
4 EQUIL HPZCOO + H2O <--> PZCOO- + H3O+
5 EQUIL MDEA+ + H2O <--> MDEA + H3O+
6 KINETIC CO2 + OH- --> HCO3-
7 KINETIC HCO3- --> CO2 + OH-
8 KINETIC PZ + CO2 + H2O --> PZCOO- + H3O+
9 KINETIC PZCOO- + H3O+ --> PZ + CO2 + H2O
Aspen Plus Complex Model
© 2013 Aspen Technology, Inc. All rights reserved |
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Two-Film Concept
Mass
Transfer
Interface
Heat of
Reaction
Chemical
Reaction
Reaction
Products
Vapor
Phase
Liquid
Phase
Vapor from
Segment Below
Liquid to
Segment Below
Liquid from
Segment Above
Vapor to
Segment Above
Heat
Transfer
Aspen Rate-Based Distillation
© 2013 Aspen Technology, Inc. All rights reserved |
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Distillation Calculations
Vapor and Liquid leave
segment/tray in equilibrium
Vj
Lj
TL = TV
PL = PV
fiL = fiv
Equilibrium vs. Rate Based
Vapor and Liquid leave segment/tray not
in equilibrium as in actual equipment
TL ≠TV
PL ≠ PV
fiL ≠ fiv
Block ABSORBER: Temperature Profile
Stage
Tem
pe
ratu
re K
1 3 5 7 9 11 13 15 17 19 21300
305
310
315
320
325
330
335
340
Liquid
Vapor
Interface
Block ABSORBER: Temperature Profile
Stage
Tem
pe
ratu
re K
1 3 5 7 9 11 13 15 17 19 21295
300
305
310
315
320
325
Temperature K
Requires
η or HETP
Does not Require η or HETP (may be calculated as option)
© 2013 Aspen Technology, Inc. All rights reserved |
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Property Requirements
Equilibrium Rate-Based
Fugacities Fugacities
Densities Densities
Enthalpies Enthalpies
Transport: Diffusivities, Viscosities, Surface Tension, Thermal Conductivities
Efficiencies Mass-Transfer Coefficients
Interfacial Areas
Heat-Transfer Coefficients
All lumped into a single adjustment number
© 2013 Aspen Technology, Inc. All rights reserved |
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Rate-Based Distillation Key Input
Trays Packing Comments
Input Field
Calculation Type Rate-Based Use RADFRAC Unit Operation in
AspenPlus/Templates In HYSYS
N-Stages Actual Number of Trays Number of Integration Intervals
applied to total packing height
Column Diameter Use Tray Sizing Utility if unknown Use Packing Sizing Utility if
unknown
Column Internals Selection Bubble Cap, Sieve, Glitsch Ballast,
Koch Flexitray, Nutter Float Valve
58 types from MTL, NORTON,
Glitsch, Raschig, Generic, Sulzer,
QVF
(See RARDFRAC / Pack or Tray
Rating / Setup form)
Stage Efficiencies / HETP Not Required Calculated as an option
Mass Transfer Coefficient
Method
AICHE, Gester et al., Hughmark
Onda et al., Bravo and Fair, Billet
and Schultes, HanleyIMTP
(See RARDFRAC / Pack or Tray
Rating / Rate-Based form)
Heat Transfer Coefficient
Method
Chilton and Colburn Chilton and Colburn Generalized and User also available
Interfacial area method Scheffe and Weiland Onda et al., Bravo and Fair, Billet
and Schultes, HanleyIMTP
Flow Model Mixed – both vapor and liquid phase are well mixed
Counter Current – liquid and vapor flows are countercurrent
VPlug – liquid is well mixed vapor is plugflow
VPlu-Pavg – liquid is well mixed vap is plugflow. P is avg press.
Applies to both Trays and Packing
Interfacial Area Factor Default = 1 Available to fit against plant data
Heat Transfer Factor Default = 1 Available to fit against plant data
Film Resistance (Liquid or
Vapor)
No Film – no film resistance
Film – diffusion resistance but not reaction in film
Filmrxn – diffusion resistance with reactions in film
Discrxn – reactions in film and film is discretized
Applies for both Trays and Packing
© 2013 Aspen Technology, Inc. All rights reserved |
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Typical Carbon Capture Case Study
Case=>
Base Case
Increase Circulation 19% and Steam 10%
More Dilute MEA Sln by 20%
Stronger MEA Sln by 13%
100% More Packing, Adjust Steam to Match Base Case Spec
Variable Units Flue Gas Flow mmscfd 29 29 29 29 29 CO2 Removal (79.6% Req'd) %of Total 79.6% 80.8% 77.7% 80.6% 79.6% Gas Out %CO2 1.15% 1.11% 1.27% 1.10% 1.15% Relative Lean Flow 1 1.19 1.06 1.00 0.98
Lean Loading, mol CO2/MEA 0.26 0.26 0.23 0.25 0.34 Relative Lean Loading 1.00 1.00 0.89 0.97 1.32 Energy Per Mole CO2 Btu/lbmol 98,708 107,056 101,191 97,543 62,729
Rich Loading, mol CO2/ MEA 0.38 0.37 0.37 0.36 0.46 Circulation Rate gpm 520 612 520 520 520 Relative Capital Investment 1 --- --- --- 1.10 Relative Utilities Cost 1 --- --- --- 0.64
Payback (against total capital) yrs --- --- --- --- 2.7
© 2013 Aspen Technology, Inc. All rights reserved |
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Topics
The Value of AspenTech’s Carbon Capture Solutions
AspenTech’s Carbon Capture Modeling Overview
Carbon Capture Samples and New Packages in V8.0
Demonstration – Tips for Easing the Effort
Q&A
© 2013 Aspen Technology, Inc. All rights reserved |
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C:\Program Files (x86)\AspenTech\Aspen Plus V8.0\GUI\Examples\Amines_ENRTL-RK
C:\Program Files (x86)\AspenTech\Aspen Plus V8.0\GUI\Examples\Amines_ELECNRTL
C:\Program Files (x86)\AspenTech\Aspen Plus V8.0\GUI\App\Physical solvents
Amines Examples are installed on your PC in these folders
Includes report
with references and
quality of data-fit
© 2013 Aspen Technology, Inc. All rights reserved |
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AMINES
AMP 2-AMINO-2-METHYL-1-PROPANOL Absorber, Stripper, open loop
MEA MONOETHANOLAMINE Absorber, Stripper, Preheater,
Closed Recycle
* New or Updated
DEA DIETHANOLAMINE Absorber, Stripper, open loop
MDEA METHYL-DIETHANOLAMINE Absorber, Stripper, Preheater,
Closed Recycle
* New or Updated
DEA + MDEA C4H11NO2-1 + C5H13NO2 Absorber
DGA DIGLYCOLAMINE Absorber, Stripper, Preheater,
Closed Recycle
* New or Updated
DIPA DIISOPROPANOLAMINE Absorber, Stripper, Preheater,
Closed Recycle
* New or Updated
K2CO3 POTASIUM CARBONATE Absorber, Stripper, open loop
MEA+MDEA C2H7NO + C5H13NO2 Absorber
NAOH SODIUM HYDROXIDE Absorber
NH3 AMMONIA Flash
PZ PIPERAZINE Flash
PZ+MDEA C4H10N2 + C5H13NO2 Absorber, Stripper, Preheater,
Closed Recycle
* New or Updated.
HPZCOO is treated as a zwitterion
PZ+MEA C4H10N2 + C2H7NO Flash
TEA TRIETHANOLAMINE Absorber, Stripper, Closed Recycle * New or Updated
Sulfolane + DIPA C4H8O2S + C6H15NO2 Flash
Sulfolane + MDEA C4H8O2S + C5H13NO2 Flash
NOTE * Located in directory C:\Program Files (x86)\AspenTech\Aspen Plus V8.0\GUI\Examples\Amines_ENRTL-
SORBENT / FORMULA UNIT OPERATIONS COMMENTS
CO2 Capture Sample Files in Aspen Plus V8.0
© 2013 Aspen Technology, Inc. All rights reserved |
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CO2 Capture Sample Files in Aspen Plus V8.0 (Cont’d)
PHYSICAL SOLVENTS
DEPG Absorber, Stripper, open loop
NMP Absorber
PC Absorber
Polymers DEPG Absorber, Stripper, open loop
MEOH Absorber
DIMETHYL-ETHER-POLYETHYLENE-GLYCOL
N-METHYL-2-PYRROLIDONE
PROPYLENE-CARBONATE
DI-, TRI-, TETRA-, PENTAETHYLENE-GLYCOL-DIMETHYL-ETHER (AS
OLIGOMERS: C6H14O3-D1, C8H18O4, C10H22O5, C12H26O6)
METHANOL
UNIT OPERATIONSSORBENT / FORMULA
© 2013 Aspen Technology, Inc. All rights reserved |
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© 2013 Aspen Technology, Inc. All rights reserved |
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CO2 Capture Sample Files in Aspen HYSYS V8.0
C:\Program Files (x86)\AspenTech\Aspen HYSYS V8.0\Samples\Rate-Based Distillation
© 2013 Aspen Technology, Inc. All rights reserved |
22
Topics
The Value of AspenTech’s Carbon Capture Solutions
AspenTech’s Carbon Capture Modeling Overview
Carbon Capture Samples and New Packages in V8.0
Demonstration – Tips for Easing the Effort
Q&A
© 2013 Aspen Technology, Inc. All rights reserved |
23
Closing Statements
• Carbon capture technologies are a critical part of today’s process industries and Aspen’s 2nd Generation Rate-Based Distillation Modeling can be an enabling tool for reliable design of these systems
• Advantages of Aspen’s Carbon Capture Modeling approach are:
• Property packages that include electrolytes, chemistry and reaction kinetics
• No need to use lumped approximations like efficiency or HETP • Adaptable to most absorption equipment dimensions and internals
• Aspen’s Rate-Based methodology can provide quantitative evaluation of complex relationships between process variables in absorptive carbon capture processes
© 2013 Aspen Technology, Inc. All rights reserved |
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Optimize 2013 Global Conference
Hitachi Zosen Ethanol distillation membrane separation model with Aspen Custom Modeler and Aspen Plus
Evonik Industries Dynamic simulation for safety analysis of columns
Renmatix
Scale-up of biochemical cellulosic conversion processes
May 6-8, 2013
See these and over 50 additional presentations and training sessions
Cansolv (Shell) Modeling of CO2 Capture with unique amine solvents
© 2013 Aspen Technology, Inc. All rights reserved |
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Registration Discount for Webinar Attendees!
$1,500 – a savings of 25% off the standard conference fee! For more information, visit www.optimize2013.com and use the promotional code WEB2013 to receive the discount. Offer Expires March 31!
OPTIMIZE 2013 6 – 8 May 2013 The Westin Waterfront Hotel Boston, MA USA
© 2013 Aspen Technology, Inc. All rights reserved |
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Questions