Industrial needs ATOFINA - CAPE WP€¦ · • A standardized solution: gPROMS models usable in...
Transcript of Industrial needs ATOFINA - CAPE WP€¦ · • A standardized solution: gPROMS models usable in...
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Some thoughts on industrial needs related to CAPE
Michel PONSProcess Simulation Group leader
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EFCE WP CAPE, June 2004
Data driven models
• Data historians on more and more processes– PI (OSI), IP21 (AspenTech),…
• Plant data appear cheap and readily available• Discrepancies between 1st principles process
models and plant data– 1st principles process models need to be fitted– Lack of ab initio models
• A data fitted model fits data!!!
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EFCE WP CAPE, June 2004
Data driven models
• Issues not to be forgotten– Raw data have to be sorted out– Data reconciliation requires process knowledge– Data driven models valid in observation window only– Lack of predictive capabilities
• Perspectives– Failures of 1st principles models have to be resolved– Advances in fundamental process engineering still needed– Actions needed are out of direct scope of CAPE
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EFCE WP CAPE, June 2004
First principles driven models
• Most first principles rely on some correlations based on experimental data– Heat transfer coefficient in heat exchanger modeling– Mass transfer coefficient in column modeling– Catalyst efficiency in reactor modeling
• Experimental data at lab or pilot scale expensive and time consuming
• Identification from plant data prevented by lack of sensors, by lack of microscale measurements
• Maintenance of models difficult
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EFCE WP CAPE, June 2004
First principles driven models
• More fundamental research needed• Modeling: long lasting process knowledge• Modeling to rely on 1st principles model library• Tracking needed of hypothesis made• Model management
– Macroscopic management needed and available– Detailed modeling management achievable?
• How do that relate to CAPE?
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EFCE WP CAPE, June 2004
Model usage
• Models embedded and used in software tools– “Black/grey” box models in model libraries
• Unit Operations• Thermodynamic & Physical Property models
– “Open” model from modeling tool• Equations written / modified• Full access to variables, parameters, equations
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EFCE WP CAPE, June 2004
Model usage
• Model libraries– Documentation available– Major hypothesis listed– Access to main parameters / correlations– Complexity in usage already: routes, options, …– Directly available in common process simulators
• Modeling tools– Documentation left to developers– Close to programming language– Flexible / powerful but highly complex– Seldom available in common process simulators
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EFCE WP CAPE, June 2004
Model usage
• In order to progress in 1st principles modeling, “open” modeling tools a must?
• But presently reserved to expert modelers• Need to develop access by more process engineers
– Model documentation � CAPE issue– Automatic build-up of models � CAPE issue– Interoperability with process simulation tools
� CAPE issue
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EFCE WP CAPE, June 2004
Interoperability
• The more advanced a model is, the larger a market it needs to sustain its development– Rate-based absorption column modeling
• RateFrac linked to Aspen Plus only, now linked to PRO/II only• Not a sufficient market through each process simulator
– Heat exchanger detailed design and verification• Xist from HTRI available in all process simulators
• The market is dominated by a few process simulator providers
• These process simulators are a vector of distribution
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EFCE WP CAPE, June 2004
“Open” models integration
• Advanced model to be linked to a process simulator– gO:CAPE-OPEN from PSE
• A standardized solution: gPROMS models usable in Aspen Plus, HYSYS.Process, and soon PRO/II
– Aspen Custom Modeler models usable in Aspen Plus• A proprietary solution available within a suite of software
– SPYRO linked to Aspen Plus, ROMEO• EO SPYRO is a proprietary AspenTech solution: it is costly both
for AspenTech and for its clients
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EFCE WP CAPE, June 2004
Proposed solution
• CAPE-OPEN is a technology to widen the application range of any software component
• However CAPE-OPEN is a technology difficult to master quickly alone
• This difficulty has been recognized by CAPE-OPEN Laboratories Network as slowing down adoption
• CO-LaN proposes the CAPE-OPEN Consultancy scheme
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EFCE WP CAPE, June 2004
Objective
• Catalyse faster development of CO-compatible components– “We don’t have time to find out about complicated
interface rules”
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EFCE WP CAPE, June 2004
Roles
• Consultancy provider: a CO-LaN approved CO consultant
• Component developer: an organisation wishing to create a CO-compliant PME or PMC (or to migrate an existing one).
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EFCE WP CAPE, June 2004
Scheme
• CO-LaN contracts a service provider to assist CO component developers in efficient debugging and testing of CO interfaces.
• Service provider provides support directly to nominated 3rd party developers of CO components, as agreed by CO-LaN
• Component developers must meet certain criteria: – Component developer must join CO-LaN as an
Associate Member.– Components must be available to all CO-LaN Full
Members, subject to commercial agreements.
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EFCE WP CAPE, June 2004
Actions to Date
• Four Consultancy providers approved– AspenTech, J.-P. Belaud, RSI, UPC
• First consultancy action underway– AixCAPE Shortcut Toolbox with AspenTech
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EFCE WP CAPE, June 2004
Conclusion
• Modeling tools are expanding their usage basis and market
• They are capable to reduce distance between 1st principles models and plant data
• They need to be introduced in common process simulators
• Adopting standardized interfaces will help to achieve interoperability
• The process industry is acting to develop adoption of interoperability technology