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Look for links to printable pdf  literature in equipment specifications sections, above in this column, & on site map.

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Reactivation: The removal of adsorbates from spent granular activated carbon, allowing the carbon to be reused. This is also called regeneration.

Recirculated Air: Air which has been taken from the space, reconditioned (temperature, Humidity and cleanliness adjusted as necessary) and returned to the space.

Resistance: See pressure drop.

RP: (1) Recommended Practice. Recommended practices are equivalent in content to Standards but do not carry the strict requirements of compliance that Standards do. (2) ASHRAE research proposal.

RTC: Room temperature catalyst. A catalyst which accelerates, at room temperature, chemical reactions which normally would only occur at elevated temperatures.


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