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Gas dehydration is the essential process of extracting water vapor from a gas stream to prevent pipeline corrosion and equipment damage. While several methods exist to remove moisture, glycol absorption is the industry standard. In this process, a specialized hygroscopic liquid absorbs water vapor inside a contactor tower. Diethylene glycol (DEG) and triethylene glycol (TEG) are the primary solvents used, serving as liquid desiccants that attract and retain water molecules at low temperatures while releasing them when heated in a regeneration reboiler.
Triethylene glycol (TEG) is widely preferred for natural gas dehydration due to its superior physical properties and high boiling point. Using TEG allows the solution to be easily regenerated to a 98% to 99.5% purity level within an atmospheric stripper. This high concentration enables exceptional performance, delivering significant dew point depressions in the range of 80°F to 140°F. By maintaining maximum moisture removal efficiency, TEG absorption ensures natural gas streams meet strict pipeline transport specifications safely and cost-effectively.
Unlock unparalleled efficiency and reliability in gas treatment with Total Product Services’ Glycol Dehydration Systems. Discover how our cutting-edge technologies elevate industry standards. From moisture control to equipment preservation, we’ve got your gas treatment needs covered. Explore our innovative solutions and revolutionize your operations today.
Comprehensive Solutions
Experience Total Product Services’ extensive line-up of comprehensive solutions, tailored for various industries. Trust our expert team to optimize your processes effectively. Reach out today to request a quote or learn more about our solutions.
- Glycol Dehydrators
- Fuel Gas Conditioning Units (Simple Cycle/Combined Cycle)
- Solid Desiccant Dehydration (Mol Sieve, Silica Gel, Activated Alumina, Calcium Chloride)
- Gas Scrubbers
- Filter Separators/Coalescers
- Carbon Bed Filters
- Oil and Gas Separators
- Metering Separators
- Free Water Knockouts
- Condensate Coalescers
- Mechanical Treaters
- Crude Oil Stabilizers
- Water Bath Heaters
- Steam Bath Heaters
- Salt Bath Heaters
- Helical Coil Heaters
- Convective Heaters
- Thermal Oxidizers
- Thermal Fluid Heaters
Frequently Asked Questions
Why is gas dehydration necessary in natural gas processing?
Gas dehydration removes water vapor from the gas stream to prevent line freezing, hydrate formation, and internal pipe corrosion. Eliminating moisture ensures the natural gas meets strict pipeline transport specifications and protects downstream processing equipment.
What types of gas dehydration systems does Total Product Services offer?
We specialize in liquid desiccant systems, such as Triethylene Glycol (TEG) dehydration units, as well as solid desiccant adsorption systems. Each system is engineered to match your facility’s specific pressure, flow rate, and moisture removal requirements.
How do TEG glycol dehydration units work?
In a TEG dehydration unit, wet natural gas flows upward through a contactor column while lean (dry) glycol flows downward. The glycol absorbs water vapor from the gas. The rich (wet) glycol is then sent to a reboiler where water is boiled off, regenerating the glycol for continuous reuse.
Can Total Product Services service or retrofit existing dehydration equipment?
Yes. We offer complete field maintenance, system troubleshooting, equipment retrofits, and glycol quality testing to restore efficiency, reduce emissions, and extend the service life of existing gas dehydration units.
How do I determine the right size gas dehydration unit for my operations?
System sizing depends on inlet gas temperature, pressure, daily gas volume (MMSCFD), and initial moisture content versus the target dew point. Our engineering team evaluates your site conditions to custom design a cost-effective, high-efficiency system.
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