Vapor Phase, Potassium Permanganate Activated Alumina


Hydrosil’s HS-400 is a spherical activated alumina that is impregnated with no less than 4.0% weight potassium permanganate. The media shall have 2.0 pounds of potassium permanganate per cubic foot. The HS-400 is found in exhaust systems, air dryers, and general HVAC applications.

Pressure Drop


Apparent Density, lb/ft 349-51
Potassium Permanganate, % wt. range4.0-6.0
U.S. Standard Sieve Size (Mesh Size)3 x 6, 14 x 28, 20 x 50
Moisture Content, % wt.10-15
Crush Strength, kg min.2.3
Hydrogen Sulfide Capacity, g/cc0.08
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Common Applications:

  • 1,2-dichloroethane (DCE)
  • Trichloroethylene (TCE)
  • Hydrogen Sulfide
  • Mercaptans
  • Acid gases
  • Vinyl chloride (VC)
  • Common Odors
  • Aldehydes
  • Ethylene
  • Amines
  • Chlorinated Solvents