What is the relationship between natural gas cooling temperature and water dew point?

2017-10-21 View Original

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Yesterday I simulated the natural gas refrigeration process at our station, and found that when the temperature is reduced to -15°C, the water dew point of natural gas can reach -18°C (with ethylene glycol used). Under normal circumstances, shouldn’t the water dew point be higher than the cooling temperature? How can this situation be explained?

Reply #2 2017-10-24

It should be like that, because the condensate carries away water, and as a result the dew point of water decreases.

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What is the relationship between natural gas cooling temperature and water dew point?

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