Refinery Sample Conditioning Product Selection Guide

Please look at product below that Perma Pure recommends for the application, with details listed below.

Low PPM CEMS (NOx, SOx)
Process (CO2, H2S)

CEMS (NOx, CO, CO2, SOx, O2)

Reduce Acid Mists
Low Dewpoint Polisher

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Low PPM CEMS – (NOx, Sox)- Perma Pure recommends the GASS 2040.  Refineries subject to low permitted levels of Sox and NOX require the GASS2040, which is the only product that can remove moisture from the sample gas stream without affecting the SO2 or NOx content. With the GASS 2040, you are able to get accurate results at low ppm levels. Link to GASS 2040 Sampling System Information.

Process (CO2, H2S) – Perma Pure recommends the GASS 2040, for the same reasons listed above. For CO2 applications, the GASS 2040 is more effective at removing moisture than standard coolers, able to reach a dew point of – 15 C. Link to GASS 2040 Sampling System Information.

Standard CEMS – Perma Pure recommends the Baldwin Classic Cooler. With permitted levels of 500 PPM or greater of NOx, CO, CO2 Sox or O2, the Baldwin Classic Cooler is the reliable choice. Link to Baldwin Classic Cooler Information.

SDS Nafion™ Supplemental Drying System – Where Thermoelectric coolers are hard-specified or already installed in the application, Perma Pure recommends the SDS Nafion™ Drying System to lower the dew point of the sample once it leaves the cooler. Meant to be used in conjunction with an existing gas cooler based conditioning system, the Nafion™ based SDS (Supplemental Drying System) is available to further reduce the acid dew point of the sample gas. The SDS can reach a dew point of – 15 C, in many cases eliminating the acid mist problem common to CEMS applications using standard gas coolers or chillers. Link to SDS Nafion™ Supplemental Drying System.

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