Glycol treatment primarily uses triethylene glycol, diethylene glycol, or tetraethylene glycol to adsorb and remove water from the natural gas stream. Glycol adsorbs water from liquid gas streams in a dehydrator. As glycol adsorbs water it becomes heavier and sinks to the bottom of the dehydrator. After the glycol has adsorbed the water it is boiled out of the dehydrator leaving behind liquid natural gas.
Twin Filter offers diverse solutions for glycol treatment. A Twin Filter filter/separator can not only be used to remove particulates from the liquid before Amine or Glycol processing but also after Amine processing to remove carry-over Amine.
The last step is a Twin Filter filter/separator or Coalescer to filter gas after Glycol processing and before pipeline transportation, to remove carry-over Glycol.
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