Evaporative process for the regeneration of aqueous glycol solutions
OwnerJames Jeffrey Harris, James William Harrisinventors
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Abstract
A low temperature process for the dehydration of aqueous glycol solutions using an induced airflow (3) and low temperature thermal sources (4, 21) to reduce the water concentration in aqueous glycol solutions (22). The invention utilizes the ability for air to evaporate water at low vapor pressures and corresponding low vapor temperatures in a direct contacting device (5). The relative vapor pressures of glycol to water at low temperatures assures the preferential vaporization rate of water over that of glycol thereby providing dehydration and effective regeneration of aqueous glycol solutions.
Claims21
A low temperature dehydration process for the regeneration of an aqueous glycol solution and removal of water and other contaminates from the aqueous glycol solution inside a contacting chamber, the steps comprising:
- introducing an airstream into the contacting chamber;
- introducing the aqueous glycol solution into the contacting chamber;
- introducing and contacting the airstream with the aqueous glycol solution inside the contacting chamber;
- removing a humidified airstream from the contacting chamber;
- and
- removing a dehydrated glycol solution from the contacting chamber for further use.
A low temperature dehydration process for the regeneration of an aqueous glycol solution and removal of water and other contaminates from the aqueous glycol solution inside a contacting chamber, the steps comprising:
- introducing an airstream into the contacting chamber;
- introducing a heated aqueous glycol solution into the contacting chamber;
- introducing and contacting the heated aqueous glycol solution with the airstream inside the contacting chamber;
- removing a humidified airstream from the contacting chamber;
- and
- removing a dehydrated glycol solution from the contacting chamber for further use.
A low temperature dehydration process for the regeneration of an aqueous glycol solution and removal of water and other contaminates from the aqueous glycol solution inside a contacting chamber, the steps comprising:
- treating an airstream to increase a wet bulb to dry bulb temperature differential;
- introducing the treated airstream into the contacting chamber;
- introducing an aqueous glycol solution into the contacting chamber;
- introducing and contacting the treated airstream with the aqueous glycol solution inside the contacting chamber;
- removing a humidified airstream from the contacting chamber;
- and
- removing a dehydrated glycol solution from the contacting chamber for further use.
Dependencies are inferred from the claim text.