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MySep Engine

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Accurate separation modelling in leading process simulators

Page last modified
Thursday, July 14, 2022 - 14:42

MySep Engine™ gives users of leading process simulators access to MySep separator modelling rigour for vapour-liquid separation, within their dynamic or steady state simulations. This brings much more accurate overall process modelling in applications where carry-over will have significant impact on heat and material balances. 

Carry over of liquids with vapour can have a significant impact accuracy of material and heat balances in process simulations.  The MySep Engine module embeds an accurate representation of gas-liquid separation behaviour inside a dynamic or steady-state process model.  In addition to physically based representation of pressure drop and carry-over performance MySep’s practical warnings indicate where operational limits are exceeded. 


Rigorous separation performance predictions in simulators (Hysys®, Unisim®, Symmetry®)
Improved accuracy process simulator
Operating limit warnings of separators in simulator
Overall process design optimisation for new build plants
Debottlenecking / troubleshooting on process systems
Operator Training Systems (OTS)
Missing link in Digital Twins
Does not work with all process simulators yet


Industry Used throughout the industry by End-users, operators and contractors
Areas of application Conceptual design, FEED, Details design and throughout Operation (optimization, capacity increase, troubleshooting)
Process simulators HYSYS® , UniSim® , DYNSIM® , K-Spice® , Petro-SIM® , Symmetry®
Simulation types Steady state & Dynamic simulations
Vessel and internals configurations Horizontal, Vertical, 2-phase, 3-phase. All configurations that can be modelled in MySep Studio
Calculations basis Actual vessel geometry, inlet piping size and internals details. Vessel inlet process condition. Detailed performance calculations use same methodology as MySep Studio
Calculated data to simulator Vessel HC liquid carryover rate, vessel water carryover rate, vessel pressure drop
Calculated data in simulator K-values, Droplet size distributions ,Mist fractions, Carryover rates, Separation efficiencies
Warnings Informational warnings on exceeding of alarm liquid levels, inlet momentums, K-values, etc. Critical warnings on exceeding shutdown liquid levels, insufficient drainage head, overloading of drain pipes, etc
Usage Easy pairing of vessels in simulation with vessels in geometry file. Overview of vessel dimensions, internals types, level setpoints, etc of all vessels Display calculated parameters and warnings in strip charts (dynamic simulations)

Relative Business Impact

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Technology Readiness Level


Development Technology demonstration Mature / Proven
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About MySep Pte ltd

MySep Pte Ltd provides software and associated services for process phase separation serving Operators, Engineering Contractors and Separation Equipment Suppliers in Oil & Gas Production, LNG, Gas Processing, Refining and Petro-chemicals.

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