Course Details

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Gas Dehydration System Design
Course Description

This comprehensive course provides process engineers with an in-depth understanding of gas dehydration system design, from fundamental principles to advanced design methodologies.

It covers both glycol (TEG) and solid-bed dehydration systems, addressing design parameters, equipment sizing, operation, and troubleshooting. Participants will learn how to interpret, review, and enhance design specifications while identifying key optimization and safety considerations in dehydration units.

Through interactive lectures, practical design exercises, and real-world case studies, participants will develop the technical competence required to design, evaluate, and optimize gas dehydration systems in upstream, midstream, and downstream gas facilities.

By the end of this course, participants will be able to:

1. Realize the principles and objectives of gas dehydration in natural gas processing.

2. Interpret and apply design criteria and specifications for dehydration systems.

3. Design and analyze key components of TEG and solid-bed dehydration systems.

4. Identify and troubleshoot common operational problems in dehydration units.

5. Incorporate safety, reliability, and efficiency considerations into design and operation.

6. Evaluate modern advancements and best practices in dehydration technology and system integration.

• Process Engineers

• Facility/Project Engineers

• Gas Plant Engineers

• Operations and Maintenance Engineers

• Design and Commissioning Engineers

  • Lectures
  • Workshop & Work Presentation
  • Case Studies and Practical Exercise
  • Videos and General Discussions

Module 1 – Fundamentals of Gas Dehydration

Topics Covered:

• Course introduction and objectives

• Importance of gas dehydration in gas processing

• Water content and its impact on gas systems (hydrate formation, corrosion, etc.)

• Methods of gas dehydration: comparison and selection criteria

o Absorption (glycol)

o Adsorption (solid desiccant)

o Refrigeration and membrane dehydration (overview)

• Gas Properties and Water Content Determination:

o Dew point concepts and water vapor–gas equilibrium

o Psychrometric relationships

o Water content charts and equations

• Case Study: Estimating water content and dew point for a sample gas

Module 2 – Glycol (TEG) Dehydration System Design

Topics Covered:

• Overview of triethylene glycol (TEG) dehydration process

• Process Flow Diagram (PFD) and description of key components:

o Contactor tower

o Glycol regeneration unit

o Flash tank, filters, and heat exchangers

• Design Fundamentals:

o Gas and glycol flow rates

o Equilibrium water content and circulation rate

o Number of theoretical stages and contactor design

o Glycol concentration and purity control

• Regeneration System Design:

o Reboiler operation and stripping gas usage

o Condensate recovery

o Reboiler temperature and emissions control

• Workshop Exercise: Sizing of a TEG contactor and circulation system

Module 3 – Solid-Bed (Adsorption) Dehydration Systems

Topics Covered:

• Adsorption principles: Physical adsorption, desiccant selection

• Types of adsorbents: Molecular sieves, silica gel, alumina

• System Configuration and Operation:

o Fixed-bed design

o Regeneration and cooling cycles

o Switching valves and control logic

• Design Calculations:

o Bed sizing and gas velocity limits

o Adsorbent capacity and cycle time determination

o Regeneration gas requirements

• Performance Optimization:

o Minimizing pressure drop and thermal degradation

o Improving regeneration efficiency

• Case Study: Design of a molecular sieve dehydration unit

Module 4 – Integration, Safety, and Design Optimization

Topics Covered:

• Integration with Gas Processing Systems:

o Upstream separation and downstream sweetening or NGL recovery units

o Impact of pressure, temperature, and composition changes

• Design Specification and Review:

o Key design parameters and documentation (PFDs, P&IDs, datasheets)

o Reviewing vendor specifications and performance guarantees

• Operational Challenges and Troubleshooting:

o Foaming, corrosion, glycol losses, desiccant degradation

o Startup and shutdown considerations

• Safety and Environmental Aspects:

o Pressure relief, fire protection, emissions control

o HAZOP considerations in dehydration systems

• Latest Trends and Best Practices:

o Compact dehydrators, hybrid systems, and automation

• Final Design Workshop:

o Integrative exercise: Design and evaluate a complete dehydration system

o Group presentations and feedback session

• Course Review and Assessment

BTS attendance certificate will be issued to all attendees completing minimum of 80% of the total course duration

Request Info

Course Rounds

5 Days
Code Date Venue Fees Action
PE258-01
2026-05-17
Dubai
USD 5450
Register
PE258-02
2026-08-17
Istanbul
USD 5950
Register
PE258-03
2026-11-15
Cairo
USD 5450
Register

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