Airzone Ozone And Uv Air Purification Technologies
AIRZONE OZONE AND UV AIR PURIFICATION TECHNOLOGIES CAN BE USED FOR:
- AIRBORNE DISEASE CONTROL, CROSS CONTAMINATION,PREVENTION OF AEROBIOLOGICAL BACTERIA AND DEODORISING
- OZONE GAS AND Uv TREATMENT TO DESTROY MICROORGANISMS, REMOVE ETHYLENE AND CONTROL AND PREVENT MOULD GROWTH
AIRBORNE DISEASE CONTROL AND CROSS CONTAMINATION PREVENTION OF AEROBIOLOGICAL BACTERIA AND DEODORISING
AIRBORNE DISEASE CONTROL, CROSS CONTAMINATION,PREVENTION OF AEROBIOLOGICAL BACTERIA AND DEODORISING
Preventing swine flu, controlling tuberculosis, stopping sick building syndrome and deodorizing and sanitising. (These are some of the benefits provided by the Airzone range from GetOzone in Johannesburg, South Africa).
To illustrate a fact, swine flu, like the common seasonal flu, spreads from person to person primarily through tiny airborne droplets released when an infected person coughs or sneezes. If you inhale these droplets when you are in close proximity to someone with the virus, there is a high risk that you can contract it as well.
According to the U.S. Centers for Disease Control and Prevention (CDC), air cleaners, specifically those designed for infection control, can help clean the air of these contaminated droplets and also other common germs, allergens, and air particles.
Air purifiers for infection control often include one or more of these components:
- High Efficiency Particulate Air (HEPA) filter
- Antimicrobial protection
- Ultraviolet germicidal light
- Steam sterilization
The Airzone range
- The Airzone Giai adopts the HEPA filter system, antimicrobial protection and ozone generator. This is a desktop or wall mounted unit highly suited for offices or homes. The ozone feature is on a timer and can be operated if preferred when there are no occupants in the room of office.
- The Airzone Odyssey range utilizes ozone, titanium dioxide and ultraviolet technologies and is suitable for unoccupied or semi occupied areas.
- The Airzone Calypso range utilizes ultraviolet ( UV) and titanium dioxide technologies ( photocatalytic) and is also suited to occupied areas such as offices or rooms and Reception areas, hospital wards etc.
- The Airzone OdoGo range is portable units utilizing ozone technology and are suitable primarily for deodorizing or disinfection of unoccupied areas such as hotel rooms, hospital wards, factories after fire or flood damage etc.
- The Airzone EcoBlaster range ozone generators are suited for semi occupied areas such as garbage or refuse areas and drains and mortuaries.
- The Airzone OdoFree Sani provides small amounts of ozone continuously 24 hours a day at safe levels to maintain USA Environmental Protection Agency recommended safe levels and is therefore safe to run in the home or office environment and maintain pure air in the working or home environment. They are ideal for Toilet and Washroom sanitation and deodorising.
- The Airzone Hermes units ( Gentle Breeze) are specifically utilized in air conditioning ducting systems where sick building syndrome is a problem and to prevent mould or bacteria build up on the air conditioning vents or ducts.
All the Airzone units are often used for microbiological control in hospitals, research areas, and pharmaceutical labs. The Airzone UV units are regularly used in tuberculosis isolation rooms as well as in containment rooms that house patients affected by MRSA, the avian flu, and SARS.
Air purifiers are well-known for their ability to clear out allergens, odours, dust, and bacteria with multi-stage filtration. But what consumers may not know is that the HEPA filters used in the Airzone Giai feature an anti-flu coating and antimicrobial protection. This coating is composed of a special anti-influenza agent that has been proven to lower the viral infectivity of airborne flu viruses – particularly the H3N2 virus, a strain similar to avian flu.
OZONE GAS AND UV TREATMENT TO DESTROY MICROORGANISMS, REMOVE ETHYLENE AND CONTROL AND PREVENT MOULD GROWTH
- Chlorine Dioxide
Commonly Chlorine Dioxide is used for its oxidation effect where the wall of simple cellular microorganisms (e.g. bacteria) and the protein coating around non-cellular microorganisms (e.g. viruses) is ruptured. The three-dimensional structure of bonds in amino acid chains, is also “denatured”. Simple microorganisms cannot repair this damage and they die. (Note those complex large cells, such as human cells and animal cells are not affected in this manner).
- Ozone Gas
Ozone gas has the same oxidising effect but is quicker and stronger than chlorine dioxide
Ozone and Chlorine Dioxide differ in important ways:
- Half life effect.
- Need to manufacture on-site.
- Oxidising strength.
- Oxidising speed.
- Ozone has a very short half-life. In a typical ambient environment it is approximately 1 hour – in which case its concentration in air will halve every hour. Therefore, in a relatively short time, residual Ozone will completely disappear, as all “unused Ozone” (0 3) reverts back to diatomic oxygen (0 2). Therefore after the treatment and storage of the product there will be no chemical residue whatsoever. Chlorine Dioxide however leaves a definite chemical residue.
- Ozone’s short half-life is unique amongst commercial oxidants, disinfectants and sterilants. One practical implication of this, is that it needs to be generated on-site, and cannot be purchased in bottles. Generating on site avoids Occupational Health and Safety issues associated with the transport, handling and storage of hazardous chemicals.
- The normal oxidation potential of Ozone is approximately 1.5 times that of Chlorine or Chlorine Dioxide. Therefore, lower ppm concentrations are possible by using Ozone compared to Chlorine based oxidants. If Chlorine Dioxide is used at 150 ppm, then as a guideline 100-ppm of Ozone is equivalent (everything else held constant).
- Ozone reacts up to 3000 times faster than chlorine based oxidants with organic matter such as bacteria. Chlorine Dioxide reacts very slowly by comparison and typically requires a long residence time whilst the product is “agitated” and gas/particulate mixing takes place. In the case of Ozone, good mixing and agitation is still required. Ozone, like most gaseous oxidants, acts on the surface of large particles, and mixing ensures it contacts these surfaces. However, the residence time itself is not required. Often, a long residence time is not practical in a processing line, as it is difficult or expensive to keep the product agitated for a long period of time. Therefore to counteract this, the concentration of Chlorine Dioxide is increased to very high levels such as 150 ppm, because the higher the concentration, the shorter the residence time required for the same oxidation effect. Ozone concentrations can thus be lower than Chlorine due to this residence time effect. A rule of thumb might be 1:2 to 1:6, although this depends very much on conditions.
The combination of Ozone’s greater oxidation strength and faster reaction time means that significantly lower concentrations can be used compared to Chlorine Dioxide.
Virtually all oxidants include trace elements of other substances (during their generation and their reaction). The presence of trace elements such as NO X’s in the case of Ozone is generally considered to be irrelevant in most commercial applications. It is for this reason and others that the USA FDA recently recognised ozone as having a “safe status” specifically for use in the food industry’, following exhaustive analysis by the relevant sponsoring bodies.
Ozone is an effective oxidant on the following microorganisms which are relevant to flour processing:
- Salmonella family.
- Staphylococcus Aureus (Golden Staph)
- Clostridium tetani.
- Clostridium Perfringens,
- Coliform and Bscherichia Coli (B. Coli) which is the most common of the Coliforms.
- Various yeasts.
- Various moulds.