EHY2102 is an intermediate-level AspenTech training course titled "Aspen HYSYS Petroleum Refining: Process Modeling and Optimization for Refinery Unit Operations." It is a 3-day program designed for engineers who already have basic HYSYS knowledge and want to specialize in complex refinery simulations. Core Objectives
The course focuses on building, evaluating, and optimizing Refinery Models within the Aspen HYSYS environment. Key skills taught include:
Complex Reactor Modeling: Creating and calibrating advanced refinery reactors.
Workflow Optimization: Using specific HYSYS features to track petroleum properties and evaluate profit.
Planning Integration: Preparing model data to be readable by Aspen PIMS (Process Industry Modeling System) for refinery planning. Key Unit Operations Covered
Participants learn to work with a variety of specialized petroleum refining operations, including:
Atmospheric & Vacuum Distillation: Building crude columns with side strippers and pump-arounds.
Fluidized Catalytic Cracking (FCC): Modeling, calibrating, and predicting FCC unit performance.
Catalytic Reformer & Hydrocracker: Developing rigorous reactor templates for these units. ehy2102 aspen hysys petroleum refiningunit o
Support Units: Working with Petroleum Feeders, Product Blenders, and Assay Manipulators to manage crude oil properties. Course Logistics Aspen HYSYS: Process Simulation for Oil & Gas
While "EHY2102" might look like a cryptic serial number, it is actually the code for a specific AspenTech training course
"Aspen HYSYS Petroleum Refining: Process Modeling and Optimization for Refinery Unit Operations"
The "story" behind this code isn't a narrative tale, but rather its reputation as a cornerstone training module
for process engineers in the oil and gas industry. If you are looking at a document with this code, you are likely viewing the manual for one of the most comprehensive simulations used to design and optimize multi-billion dollar refinery units. What the "EHY2102" Course Covers
Engineers take this course to master high-stakes refinery operations, including: Building Complex Reactors : Modeling "heavy hitters" like Fluidized Catalytic Cracking (FCC) Hydrocrackers Crude Distillation Units (CDU)
: Designing atmospheric columns that serve as the first—and most critical—processing step in any refinery. Profit Evaluation
: Using the simulation to track petroleum properties and perform case studies to directly evaluate the profit potential of different refining setups. Planning Model Updates : Learning the workflow to make HYSYS data readable by Aspen PIMS Step 1: Fluid Package Selection The most critical
, the software used by refinery planners to make buy/sell decisions for crude oil. Key Learning Milestones
The course is typically a 3-day intermediate-level program. For those following the "Aspen HYSYS" learning path, it usually follows the introductory EHY101 Process Modeling course and is often paired with advanced topics like EHY202 Advanced Solutions specific unit
mentioned in those manuals, such as the FCC or Crude Distillation unit? Crude Unit Optimization - AspenTech Support Center
The most critical decision in EHY2102 is the thermodynamic model. For Unit O (light olefins):
While basic EHY2102 focuses on offline optimization, advanced modules introduce RTO. The HYSYS model is linked to the plant’s DCS. Every 15 minutes, the model reads live data (temperatures, flow rates), calibrates itself (data reconciliation), and sends back new setpoints (e.g., "Increase reflux ratio by 2%").
EHY2102 Aspen HYSYS Petroleum Refining Unit O encapsulates the essential bridge between academic thermodynamics and real-world refinery economics. Whether you are simulating the tight olefin split of a Deisobutenizer or optimizing the hydrogen feed to a Selective Hydrogenation Unit, the principles remain constant:
By mastering the workflows described above, the engineer equipped with EHY2102 training does not simply push buttons in Aspen HYSYS; they drive profitability, safety, and reliability in the modern petroleum refinery. Unit O might be one node in the flowsheet, but its optimal operation dictates the success of the entire downstream complex.
Next Steps: To further your skills, explore Aspen HYSYS Dynamic Mode to evaluate Unit O’s response to feed surges, or integrate the Aspen Exchanger Design & Rating (EDR) to design the non-standard condensers required for light olefin services. Crude Assay: API gravity 32°
Author’s Note: If “EHY2102” is a specific code from your university or training provider (e.g., Heriot-Watt, EUCLID, or a corporate learning management system), please verify the exact unit operations (O=Oxidation, O=Olefins, or O=Overhead) with your syllabus. The technical workflows above are universally applicable to any light ends or crude overhead simulation in Aspen HYSYS.
The course EHY2102: Aspen HYSYS Petroleum Refining: Process Modeling and Optimization
is a professional training program designed by AspenTech to teach users how to build and optimize complex refinery models. This course specifically focuses on using advanced Petroleum Refining
unit operations, rather than just standard chemical processes. Core Course Objectives By the end of this course, you will be able to: Build & Optimize Refinery Models
: Construct and evaluate steady-state simulations of complex refinery processes, including major reactors. Track Petroleum Properties
: Monitor over 140 properties (such as octane number, sulfur content, and viscosity) across the entire flowsheet. Integrate with Planning : Perform workflows to make model data readable by Aspen PIMS for plant-wide optimization and planning. Improve Convergence
: troubleshoot common problems and improve the speed and stability of column and flowsheet convergence. Key Unit Operations Covered
The course provides hands-on experience with specialized refinery unit operations: Petroleum Feeder & Assay Manipulator
: Tools for managing crude oil assay information and properties. Refinery Reactor Models : Including (Fluidized Catalytic Cracking), Hydrocracker Catalytic Reformer Petroleum Yield Shift Reactor (used for simplified models like Delayed Cokers). Refining Short-Cut Column : For initial distillation estimations. Product Blender
: To simulate final product mixing to meet specific commercial specifications. Typical Course Agenda