Challenges for Gas Turbines in Coastal Environments

Understanding the air quality challenges for coastal locations that can lower gas turbine and compressor performance and how to remedy these challenges to maximize efficiency, profitability, and coastal protection.

Overview - Coastal-min

In coastal environments sustained high humidity and the removal of salt are the greatest challenges for gas turbines and compressors.

Salt is prevalent as both a dry particulate and as an aerosol, it is typically found in high concentrations along the coast due to the prevailing wind picking up sea spray from the waves.

Removing free moisture is essential to avoid particles absorbing the moisture and swelling in the presence of water. This can block filter media pores and lead to an increase in pressure drop with the potential of dp spiking.


A multi-stage EPA filtration system with appropriate free moisture removal is recommended in coastal environment.

Each filtration stage will make a positive contribution to remove the moisture, including the final filter, which should repel moisture and salt and have efficient drainage. This will protect the gas turbine by stopping salt laden water passing through the filter system.

Removing the risk of salt contamination will in turn reduce the risk of corrosion, increase availability, and extend the life of expensive engine components.

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