PURAGRID

Purafil PuraGRID Filters

Purafil PuraGRID™ filters are a range of long life / high efficiency, compact activated carbon (or chemical) media filters that provide effective removal of specified targeted contaminant gases and odours; including car exhaust and diesel fumes, hydrocarbons and VOCs (volatile organic compounds).

Quality, high media content provides increased contact efficiency and chemical/gaseous adsorption to provide extended overall lifetimes and a low pressure drop.

THE PuraGRID™ is a revolutionary new filter that is designed to supply a large amount of chemical filtration with minimal amount of pressure drop. Our newly developed media delivery system offers increased operational performance and energy savings. The new PuraGRID™ bridges the gap between Purafil’s existing line of filtration products, enabling a clean air solution for every application and market.

The GridBLOK is a new gas-phase air filtration medium in the form of an extruded monolithic block consisting of a large number of small, parallel cells or channels. The GridBLOK is composed of essentially 100% adsorbent materials allowing the entire composite structure to function as a gas filter. Due to the large number of cells in each GridBLOK, the contact area between the adsorbent layer and the airstream that travels inside the cells is very large. Furthermore, the cells are parallel so that the flow is not obstructed and the pressure drop across the GridBLOK is extremely low. The cellular geometry of the extruded GridBLOK provides a high surface area per unit volume important for proper impregnation of adsorptive materials. The size of the cells leads to turbulent flow and forces contaminated air into and through the gaspermeable cell walls of the GridBLOK. It also provides the residence time necessary to assure optimum contact efficiency and the associated high initial and average removal efficiencies. As the air is forced through the GridBLOK, removal of chemical contaminants takes place.

Purafil PuraGRID filters are available in various chemical media blends to target specific chemicals, including:

  • HYDROGEN SULFIDE
  • SULFUR DIOXIDE
  • NITROGEN DIOXIDE
  • NITRIC OXIDE
  • FORMALDEHYDE
  • CHLORINE
  • TOLUENE
  • TRICHLOROETHANE
  • AMMONIA
  • N-METHYLPYRROLIDONE
  • TRIETHYLAMINE
  • TRIMETHYLAMINE
  • METHYLAMINE
  • DIMETHLYAMINE

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