The mechanical filtration of all particles with the size larger than the size of the external pores of the material is performed on the surface. The filtration channel has a complex tortuous form with a gradient porosity preventing discharge of filtered impurities into the purified water that often happens during pressure jumps. The number of free channels in the material gradually lowers decreasing the pressure of the purified water*. Aragon-based filtering element can be used repeatedly.
The labyrinth internal structure of ARAGON acts as a barrier for microorganisms. The majority of bacteria and viruses have oblong shape (from 0.5 to 20.0 mkm), that is why they are trapped in the tortuous channels of the material. To suppress the growth of microorganisms absorbed in the polymer, silver is inserted into the material in the form entirely preventing its migration into the purified water.
Quasi-softening is the unique feature of the ARAGON material. The structure of hardness salts is changed in water passing through the filtering material. As a result, no scale is formed in purified water. The water acquires the properties having favorable effect on living organism. More detailed information on effect of quasi-softening will be discussed hereafter.
The material has high mechanical strength with the possibility of mechanical treatment (cylinders, discs, etc.). Compact and efficient filters based on ARAGON material are unified in accordance with main international standards. The ARAGON sorbent was successfully used for water treatment in the regions exposed to contamination after the Chernobyl accident.
* Water pressure drop indicates the necessity of regeneration or replacement of the cartridge.