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Dimtech S.A
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Chemisorbant Media

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Purafil & Triple-Blend Makeup Air Media shall consist of a mix of Purafil Select media. Purakor activated carbon media and Puracarb media. Purafil& Select Chemisorbant Media shall consist of manufactured, generally spherical, porous pellets. Pellets shall be formed from a combination of activated alumina and other binders, suitably impregnated with potassium permanganate to provide optimum adsorption, absorption and oxidation of a wide variety of gaseous contaminants. The potassium permanganate shall be applied during pellet formation, such that the impreg-nant is uniformly distributed throughout the pellet volume and is totally available for reaction.
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The Purakol" Media shall be an activated carbon for the control of hydrocarbons with a high surface area available for adsorption. The Puracarb& Media shall be composed of carbon, alumina and other binders. Puracarb pellets are impregnated during pellet formation, such that the impreg-nant is uniformly distributed throughout the pellet volume and is totally available for reaction.

Physical Properties
Triple-Blend Makeup Air Media is a 50:25:25 blend, respectively, of Puracarb media. Purafil Select media and Purakol media. The overall bulk density of Makeup Air Media is 42-45 lbs/ft5.±5%

Ptiracarb Media

  • Bulk Density: 45 lbs/ft3 (0.72 g/cc) +5%
  • Moisture Content: 35% Maximum
  • Crush Strength: 35% - 70%
  • Abrasion: 4.5% Maximum
  • Nominal Pellet Diameter: 1/8" (3.175 mm)

Purafil Select Media

  • Moisture Content: 35% Maximum
  • Crush Strength: 35% - 70%
  • Abrasion: 4.5% Maximum
  • Bulk Density: 50 lbs/ft3 (0.8 g/cc)±5%
  • Nominal Pellet Diameter: 1/8" (3.175 mm)
  • Potassium Permanganate Content: 8% Minimum

Purakot Media

  • Moisture Content: 3%
  • CTC: 55 Minimum
  • Base Material: Activated Carbon
  • Bulk Density: 30-32 lbs/ft3 (0.48-0.51 g/cc)+5%
  • Nominal Pellet Diameter: 1/8" (3.175 mm)

Advantages

  • Specifically engineered to eliminate all chemical components of fuel combustion
  • Can be used in place of a multi-pass media system
  • Non-flammable and non-hazardous
  • Does not support bacterial growth

Purafil offers complimentary Media Life Analysis of Makeup Air Media for optimum performance of your air filtration system.

Target Contaminants

  • Nitrogen dioxide
  • Nitric oxide
  • Sulfur dioxide
  • Low molecular weight aldehydes and hydrocarbons
  • Organic acids
  • Ozone
  • Other VOCs

Applications
Purafil& Triple-Blend Makeup Air Media shall perform effectively under the following conditions and guidelines:

  • Temperature: -4° F to 125° F -20°Cto 51° C
  • Humidity: 10 - 95% RH
  • Airflow: Purafil& Triple-Blend Makeup Air Media shall be effective in commercial and industrial systems with air-flows ranging from less than 25 CFM (42.5 mVhr) to over 100,000 CFM (169,920 m3/hr) and with velocities from 60 FPM to 500 FPM (1,080 to 9,000 m/hr).
  • Media Performance: Purafil* Makeup Air Media shall be designed for 95% min. removal efficiency in Purafil systems.
  • Media Life: Regular media samples of Purafir1 Makeup Air Media shall be taken for projecting remaining media life, providing scheduled maintenance, and ensuring performance.

Installation and Disposal Requirements

  • Installation: Installers shall use dust masks, safety goggles, and rubber gloves.
  • Disposal: Spent Purafir1 Triple-Blend Makeup Air Mediashould be disposed of according to local, state and federal guidelines.