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Fluid Technology Division

Low Cost Heated GASS™ -Module Prevents Condensation in Sample Conditioning

14th July 2005

         
         Toms River, NJ (July 14, 2005) – To transform wet, hot, and dirty stack gases into the cool, dry, clean gas samples critical to accurate stack emissions monitoring, Perma Pure offers the GASS™- Module (Modular Gas Analysis Sampling System). This module delivers unparalleled sample preparation in a cost-effective and reliable package that can be easily integrated into environmental analysis systems.
 

          The GASS-Module’s Nafion® membrane dryers remove water, acid mist, and particulate directly from the vapor phase, drying more completely than other technologies to eliminate water interference with sample gases.  Nafion is a proprietary technology available only from Perma Pure under license from the polymer manufacturer, DuPont. Drying is a continuous, self-regenerating process with no moving parts or electronics; all control is deferred to the central system. This simplicity in design results in a low-cost, compact module that can be easily incorporated into analysis systems.

           The filter and dryer inlet are heated to prevent condensation and consequently inhibit the loss of water-soluble analyte gases.  The GASS-Module can process samples containing as much as 30% water by volume at flow rates up to 12 liters per minute and temperatures as high as 150°C. Particulates down to 1 μm are removed, and water content is reduced to dew points as low as -35°C. Removal of acid mist droplets prevents corrosion to extend analyzer life.

            For more information about the GASS-Module or any of Perma Pure’s gas conditioning products, call 732-244-0010, or visit the company’s website at www.permapure.comf the Nafion® polymer. The company is the sole manufacturer of Nafion tubing under license from the polymer manufacturer, DuPont. The company is based in Tom’s River, New Jersey and has representatives and distributors around the world.

Perma Pure LLC, a member of the Halma Group, manufactures gas conditioning products such as dryers, humidifiers, filters, coalescers, specialty scrubbers, and complete sampling systems for use in industrial and scientific applications. The company is the sole manufacturer of Nafion tubing under license from the polymer manufacturer, DuPont. Perma Pure is based in Toms River, New Jersey, with representatives and distributors around the world. 

 Nafion is a registered trademark of DuPont

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