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Optimizing Natural Gas Processing: The combination of BTEX and TEG Dehydration Units

Title: Optimizing Natural Gas Processing: The Synergy of BTEX and TEG Dehydration Units


Natural gas is a valuable energy resource that requires careful processing to remove impurities and achieve the desired quality. Two critical components of this processing are BTEX units and TEG dehydration units. Benzene, Toluene, Ethylbenzene, and Xylene (collectively known as BTEX) units are employed for the removal of harmful hydrocarbons, while Triethylene Glycol (TEG) dehydration

units eliminate water vapor. In this blog post, we'll explore the benefits of using BTEX units in conjunction with TEG dehydration units for more efficient natural gas processing.

1. Understanding BTEX Units

BTEX units are designed to remove volatile organic compounds (VOCs) from natural gas streams. These compounds, including benzene, toluene, ethylbenzene, and xylene, pose environmental and health risks, making their removal essential. Although the compounds are aromatics (meaning cancer-causing), they are high BTU-content fluids which can be utilized on site.

2. TEG Dehydration Units: A Necessity

TEG dehydration units are an integral part of natural gas processing, primarily because water vapor can cause numerous issues downstream. Excessive water content can lead to the formation of hydrates, corrosion, and reduced heat efficiency in gas turbines. TEG units work by absorbing water vapor from the gas stream, making it essential for producing dry, high-quality natural gas.

3. Synergy Between BTEX and TEG Units

When a BTEX system is added to the TEG unit and they work together in a natural gas processing facility, they offer several advantages:

a. Improved Environmental Compliance: BTEX units help remove harmful VOCs, ensuring compliance with environmental regulations. This is particularly important in regions with strict emissions standards.

b. Enhanced Natural Gas Quality: TEG dehydration units reduce water vapor content in the gas stream, ensuring the gas meets pipeline specifications. Dry gas is less prone to corrosion and hydrate formation, making it more reliable for transportation and storage.

c. Cost Reduction: By effectively removing hydrocarbons and water vapor, the combined use of BTEX and TEG units can reduce operational costs and equipment maintenance. Reduced water vapor content also minimizes the risk of freezing in pipelines and equipment.

d. Increased Efficiency: Dry natural gas is more efficient for combustion in power generation and industrial processes, resulting in higher energy output and reduced emissions.

4. How to get started

At, we spend our time designing the most efficient TEG unit for your application. If you are a BTEX system designer or manufacturer, please include your website/contact information below in the comments so our clients can improve their sites.


The synergy between BTEX and TEG units in natural gas processing facilities can lead to improved environmental compliance, enhanced gas quality, cost reduction, and increased operational efficiency. By removing harmful hydrocarbons and water vapor, these units ensure that natural gas is of high quality and ready for various industrial applications. Investing in proper maintenance and monitoring of these units is essential for ensuring consistent performance and a sustainable, efficient natural gas processing operation. As the demand for cleaner and more efficient energy sources continues to rise, the combination of BTEX and TEG units plays a pivotal role in optimizing natural gas processing.

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Thank you to Mrs. Costigan for a great write up regarding TEG dehydration and the importance of BTEX condensers!

If you want to utilize the technology the EPA references in their rules for emissions destruction, please reach out to us at

Jordan Hughey



I’ve known Ms Costigan for a very long time. She is one of the best at what she does. SpiralX loves talking to like minded folks about how to best handle the emissions from the dehydration process, and we are the best at it. Check out our zero emission options at

Terry L Nelson

VP Sales


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