Envirep represents Purafil for odor control, air filtration, gas phase filtration, corrosion control, and air conditioning equipment for the municipal wastewater industry.
Purafil is a privately-held company founded in 1969. It has its headquarters in Doraville, GA. The company is known for setting high industry standards for odor control systems and emergency gas scrubbers with the following projects:
Deep Bed Scrubber for Odor Control (DBS)
The Purafil Deep Bed Scrubber (DBS) is a highly effective, bulk media scrubber designed for controlled environments with medium-to-high contaminant gas levels. The DBS remedies the gases’ corrosive effects and meets stringent air quality standards set by the International Society of Automation (ISA). It is ideal for refineries, steel mills, smelters, chemical plants, petrochemical plants, and other hostile environments. It also functions, if needed, as a shelter-in-place application to protect employees.
Highly effective at removing 0.30 grams (g) of odorous hydrogen sulfide gas (H2S) per cubic centimeter (cc) of media. This is the primary media for odor control systems in wastewater treatment applications.
WWT Drum Scrubber (DS)
The DS is designed for wastewater treatment facilities, pump stations, lift stations, wet wells, force mains, and at the wastewater treatment plant. Constructed of corrosion-resistant materials and requiring essentially no maintenance, the DS can be used in remote outdoor areas or zones where high levels of acid gases are present. The scrubber consists of layered beds of chemical media with optional add-ons such as passive configuration, silencers, mist/grease eliminators, and rain hoods.
Emergency Gas Scrubber (EGS)
An Emergency Gas Scrubber is designed to control catastrophic gas releases from 68 kg (150 lb.) to over 2,727 kg (6,000 lb.) while mitigating any risk to human lives in the surrounding communities. This scrubber prevents toxic chlorine (Cl2), sulfur dioxide (SO2), or ammonia (NH3) gas releases, resulting from a failure in the storage cylinder or system, by providing immediate removal of leaking gas. Nothing is more important than protecting the safety of the people living nearby.
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