Zeolite Filter Granules


High purity, low sodium, natural, zeolite, mineral (14” x 40” mesh) that is classified as GRAS (Generally Recognized As Safe) under 21CFR Part 182.2729 and 40 CFR Part 180.1001 with ANSI/NSF Standard 61 Listing.

The material is mined, crushed, dried and double-screen, sized to produce a high quality filter media with Uniformity Coefficient (D60/D10) of 1.7 having high through-put capacity at low differential pressure.

The alumino-silicate, crystal, mineral material has surface micro-mineral projections with 0.25 to 10 mm spacing that effectively trap suspended solids in water streams. The surface, micro-projections, together with the high surface area makes this material an ideal, water filtration media. The material is mineralogically and thermally stabile to 500° C.

Advantages of Zeolite versus conventional sand, anthracite and multimedia filter media are below.

  • Higher filtration capacity without additional capital costs.
  • Reduced backwash frequency reduces costs and saves labor.
  • High flow rate capacity - gravity flow (4 gpm/ft2 ) and pressure vessels (12-18 gpm/ft2 ).
  • Linear/near linear, head loss curve with superior, depth removal of suspended solids.
  • Superior filtration rating (5 micron nominal) translates to enhanced water quality.

Physical Properties:

Bulk Density: 55 lbs. per cubic foot
Mesh Size: 14” x 40”
Color: Light green
Surface Area: Avg. 24.9 m2/g
Surface Absorption: Hydrophilic
Thermal Stability: Stable to 500° C
Filtration Nominal Rating: <5m

Applications:

Used as a water/liquid, filter bed (or tank) material in lieu of sand/anthracite, pecan shells or other, coarse filtration material to efficiently remove suspended solids and fine turbidityparticles. The filter granules physically filter and trap the suspended solids. In addition, the granules remove a wide range of colloidal and soluble, inorganic metallic, contaminants by surface sorption, chemical-binding, charge-neutralization, coagulation, reactions and/or ionic, ion-exchange phenomena.

  • Replacement media for sand/anthracite
  • Gravity filters - 4 gpm/ft2 design specification
  • Pressure vessels-12-18 gpm/ft2 design specification
  • High-performance, gravity flow beds for drinking water plants
  • Industrial surface water pumping stations and cooling tower filters.
  • Polishing filter for industrial wastewater treatment.

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