| Description of Operation |
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The EnviroSept is a highly efficient, non-ionizing, electronically enhanced media filter that utilizes the concept of dielectric polarization to effectively remove sub-micron particulate.
The concept of dielectric polarized media filtration, is effected through the use of a steady-state electrostatic force field acting on a dielectric media such as our special blended network of polywool fibers.
The EnviroSept Electronic Air Cleaner, utilizing an input of 24 volts AC, generates a 7,000 volt positive DC charge from its proprietary solid state power head. This charge, applied to the central grid, polarizes the ½' thick polywool blended collector pads on either side of the grid. These pads are held in place by the two outer screens, which are grounded. Therefore, the EnviroSept Electronic Air Cleaner is really two filters in one due to the symmetry about the central grid.
An electrostatic field, when imposed on a bed of our polywool fibers causes each fiber to be polarized, i.e., to cause a charge shift within the fiber. This results in each fiber being positive and negative on opposite sides of each fiber, in the direction of the high positive electrostatic field. Simply stated, we are creating millions of tiny powerful magnets to attract and hold air particles. Furthermore, particles entering the electrostatic field become polarized also, which means that they have a spacial varying charge distribution. They are attracted, with a force proportional to the square of the average hemispheric charge density, by the alternate polarized side of each collecting fiber. The use of a static electrostatic field (i.e., one without current flow and corona discharge) is important, since it prevents arcing and any generation of undesirable ozone.
In addition to the application of electrostatic polarization, the EnviroSept employs the principles of impingement and agglomeration. Impingement is the process that all media filters use to trap large air particles. These large particles build up on the front of the filter, while the smaller particles are collected through the media pads. Agglomeration of particles takes place as the all the particles having been polarized, collect together into larger particle that are collected on the charged media fibers.