The gas intended for transportation via pipeline transport means is subject to certain technical requirements applicable to its composition. The most common inconsistency with the imposed requirements is the dew point excess with regard to hydrocarbons and moisture. Today, a variety of small, medium and
Grasys membrane plants allow dramatically reducing water dew point and hydrocarbon dew point of the gas. Depending on the process flow arrangement, water dew point may be lowered by 15–60 °C. The implementation of Grasys technology allows reaching the dew point temperature with regard to moisture in accordance with OST 51.40–93 at the dried gas pressure of 4.0 MPa.
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