PURE VERSATILE NATURAL ZEOLITE		A WHOLLY OWNED SUBSIDIARY OF UNITED STATES ANTIMONY CORPORATION 406-827-3523 or tfl3543@blackfoot.net

BRZ™ AIR TREATMENT
 

The crystal structure of clinoptilolite contains channel ways or windows that allow the passage of air through the mineral. The channel ways or “windows” also lead to “cages” or positions in the crystal lattice. These cages will capture and hold certain size cations such as ammonium.

In a typical zeolite filter air is passed through a bed of zeolite and it retains the impurities. Depending
on the impurities it can be cleaned or regenerated by certain methods that may include heating, washing with a saline solution, exposing to sunlight, etc. These filters can consist of a layer of zeolite held between screen layers. Alternatively, they can be a non-woven polyester impregnated with finely ground zeolite.

In other systems, the zeolite in the air filter is surface modified, and is called a “surface modified zeolite” (SMZ). The modifier can be a quaternary amine, oxidant such as potassium permanganate,
or various other substances. Some of them can be regenerated and others such as potassium permanganate are consumed.

In another system commonly known as a “biofilter” the gas to be purified is passed through a bed
of zeolite that contains various bacteria. The temperature, moisture, and nutrients must be controlled. Here the gas is consumed by the bacteria.

• Mineral:              Natural Zeolite primarily clinoptilolite (see spec sheet)  

• Size:                    3/8” x ¼”, 14 x 40, 4 x 8 mesh, various other screen sizes

• Weight:               55 pounds per cubic foot

• GRAS:                 Classified “GRAS” generally regarded as safe
                       (21 CFR Part 182.2729; 40 CFR Part 180.1001)

• Surface Area:     Surface area 24.9 square meters/gm

• Moisture:            Holds 55% of its weight in water

• Color:                  Pale green when dry, dark green when saturated

• CEC:                    Cation exchange capacity (CEC) is 160 to 180 meq/100 grams

• Coal generating plants to remove SO₂

• To concentrate SO₂ gas streams to produce liquefied SO₂, elemental S, sulfuric acid,
  or ammonium sulfate.

• CAFOs, farms, rendering plants, sewage treatment plants, waste water treatment plants
  to remove odoriferous ammonia gas, hydrogen sulfide.
   

• Oil refineries. To remove hydrogen sulfide gas, SO₂, etc.
   

• For the removal of volatile organic carbon (VOC) after being modified to become hydrophobic.