When natural gas is dehydrated utilizing conventional triethylene glycol dehydrators (TEG dehydrators), water is extracted from the gas, resulting in the generation of harmful emissions, such as adverse air pollutants, volatile organic compounds and methane, to the atmosphere. This affects local air quality.
Moreover, TEG dehydrators need fuel gas for heating the glycol, which results in energy wastage. On the other hand, Van Gas Technologies’ GasDry brand desiccants are the ideal substitute to TEG dehydrators in several applications. The use of GasDry brand desiccants in the fuel gas conditioning process allows the absorption of water vapor by the desiccant tablets, which get dissolved subsequent to the absorption. The dissolved water/tablet mixture is extracted from the natural gas by gravitational force and leaves the system as a liquid, thus resulting in only the purified natural gas without any harmful emissions.
The use of GasDry brand desiccants in the fuel gas conditioning process provides both cost and ecological advantages over TEG dehydrators. GasDry brand desiccants avoid hydrate formation, water condensation, and freeze-ups, as well as fulfill pipeline moisture criteria under certain conditions. They are eco-friendly, safe and efficient. Gas dryers utilizing GasDry brand desiccants have no movable parts requiring repair, they operate without fuel, and generate no harmful emissions.
The EPA reported a reduction in maintenance costs and emissions when desiccant dehydrators were used in place of TEG dehydrators, thus recommending desiccant dehydrators. Van Gas Technologies’ Western Sales Manager, Tyler Currie informed that the use of GasDry brand desiccants by natural gas processors and producers results in the elimination of odorous and potentially harmful emissions during the gas dehydration process.
Source: http://www.vangastech.com/
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