Nafion Dryer Purge Gas Method #3 – Recycling Sample Gas with Vacuum (Reflux Mode)
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The Recycled Sample Gas (Reflux) Method is similar to the Atmospheric Vacuum Method, except that the full amount of the sample gas is routed back to the dryer as the purge gas after it leaves the analyzer.
Provides a consistent dryness level at the output when run continuously
To improve performance, the recycled gas may be further dried in a second stage with desiccant before it is routed to the purge inlet to further improve system performance