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Dehydration is the process of removing water from a gas so that no condensed water will be present in the system. Water is the most common contaminant in produced natural gas, and is a source for not only hydrates, but corrosion and erosion problems. TEG dehydration is the most commonly used natural gas dehydration process, often used in compressor stations to prevent hydrates from forming in gathering systems, and in-plant facilities to meet a pipeline water dew point specification.
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