UniSim Design and Advanced Electrolyte Modeling Using the OLI

Alliance Engine

OLI 23rd User ConferenceOctober 5-6, 2005

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Overview

• What is UniSim?• The OLI-Honeywell Alliance• UniSim Design R350 Electrolytes Capabilities• Select Applications• Summary

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What is UniSim?

• UniSim is a suite of applications and services designed to provide simulation solutions throughout the plant lifecycle

• UniSim Design is Honeywell’s version of HYSYS• What did Honeywell acquire from AspenTech?

- Intellectual property (ownership) of Hyprotech® products Includes a two-year support agreement under which AspenTech will provide Honeywell with source code to for any new developments to Hyprotech products including HYSYSHoneywell hired 15 top AspenTech developers and architects, and the top 5 AspenTech technical support engineers

- Operator Training Simulation businessIncluding 40 staff, intellectual property, contracts and working capitalIncludes 3-yr non-compete provision

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Solution Throughout the Plant Lifecycle

UniSim Design Suite• UniSim Design• Dynamics Option• Oil & Gas Options• Chemicals Options

UniSim Operations Suite• Operator Training using UniSim

Design models• Control Execution Environment

UniSim Optimization Suite• Layered optimization solution

integrating UniSim models• Gain updating and RTO• Planning and Scheduling

UniSim Design is the simulation engine underpinning all three suUniSim Design is the simulation engine underpinning all three suitesites

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Thermodynamics and Unit Operation Library

• 30 thermodynamic property packages and over 1,500 pure components allow simulation of the most complex systems- Oil and gas, refining,

chemicals• Over 50 unit operation

models• Rigorous column model

with advanced solution algorithms

• Integrated flowsheet optimization

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Integrated Steady-State and Dynamics

• Rigorous first-principles dynamics models

• Integrated controllers, strip charts, event scheduler

• Applications:- Design and analysis of

control schemes- Operability studies- Safety- Operator process

training- Control system

checkout

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Extensibility

• COM object model exposes simulation objects- Create applications

using Visual Basic or Excel using UniSim Design as a simulation engine

• Create simple unit operation models and extend stream property structure using User Variables

• Embed proprietary thermodynamics or unit operation models that use UniSim Design user interface

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Best In Class Options

• Thermodynamics- Integrated OLI aqueous

electrolyte package using OLI Alliance Engine for UniSim OLI

- Neotech Black Oil package and Infochem Multiflash package for upstream applications

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Best In Class Options

• Unit Operation Models- Neotec PIPESYS pipeline

model- OLGA 2000 transient, OLGAS

and OLGAS 3-Phase

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The OLI-Honeywell Alliance

• Agreement signed in Spring 2005

• Provides for a link to OLI Technology’s aqueous electrolytes package from UniSim Design R350

• Actively pursuing new alliance opportunities- Integration of mixed solvent

electrolyte technology- Integration of corrosion

analysis tools- Usage of UniSim Design

flowsheeting environment for electrolytes-only simulator (“ESP Millennium”)

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The OLI-Honeywell Alliance

• Potential for other synergies- Dynamic electrolyte

simulations- Online corrosion modeling

incorporating Honeywell’s Socrates technology from InterCorr

• No competing electrolytes technology to impede development progress

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UniSim Design R350 + OLI Electrolytes

• OLI aqueous electrolytes property package

• OLI’s Full Component Databank- Redox- GEOChem- LowTemp

• Unit Operations- Neutralizer- Crystalizer- Precipitator- OLI Column

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UniSim Design R350 + OLI Electrolytes

• Cover most aqueous electrolyte systems

• State of the art user experience• Broad collection of simulation

utilities- Case Study tools- Optimizer

• Extensibility- Integration with other applications- Online applications

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Selected Applications

• Acid Stream Neutralization• Manufacture of Baking Soda

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Acid Stream Neutralization

Description:Neutralization of acid waste stream with lime and determine solid species

Chemistry Model:H2F2, H2O, HF, H2F2, H3PO4, H4P2O7, HF, CA3(PO4)2, CAF2, CA(H2PO4)2, CAHPO4, CA(OH)2, P4O10PPT

(4 Vapor species, 22 Aqueous species, 8 solids)

Titration of 0.1 molal HF, 0.1 molal Ca3PO42, 1.23 molal H3PO4 (pH 1.5) with Ca(OH)2

1.0E-05

1.0E-04

1.0E-03

1.0E-02

1.0E-01

1.0E+00

2.0 3.0 4.0 5.0 6.0 7.0pH

Mol

ality

0.0E+00

4.0E-01

8.0E-01

1.2E+00

1.6E+00

2.0E+00

Solid

s

Total aqueous F(-1)CaF2 CaHPO4 Ca3(PO4)2 Total aqueous P(+5)

Other Considerations:Minimize aqueous fluorides

Results/Benefit:Minimum aqueous fluorides at pH 4.1,

initially CaHPO4 precipitates then Ca3(PO4)2 at higher pH’s - verified by experiment

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Acid Stream Neutralization in UniSim Design

• Flowsheet built using UniSim Eletrolytes Interface to OLI Alliance Engine

• UniSim Case Study utility used to check for feasible region

• UniSim Optimizer used to optimize the titration flowrate

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Manufacture of Baking Soda

Description:Manufacture of NaHCO3 using SolvayProcess using Brine, CO2, and NH3 Feedstocks

Chemistry Model:NACL, NH3, NAHCO3, CO2, CACL2, CAOH2, NAOH, CACO3, H2O

Approach:Determine makeup CO2 and NH3 flowratesfor given Brine feeds

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Solvay Process in UniSim Design

• Flowsheet built using UniSim Electrolytes Interface to OLI Alliance Engine

• Recovery section modeled with Sour PR using only three components for speed

• Excel used as operator interface using VBA connection with UniSim

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Summary

• Honeywell is now in the offline simulation market• Partnering is key to Honeywell’s success in this

area• UniSim Design R350 with OLI Electrolytes provides

a state of the art user experience for aqueous electrolyte simulation

• OLI-Honeywell Alliance actively pursuing new opportunities

Come see UniSim Design with MSE in the demo room!

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