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Wellisair: A new device that allows disinfection of air and surfaces from viruses

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Airtècnics produces a new technology that removes polluting substances with similar structures as Coronavirus COVID-19 through hydroxyl radicals, with an effectiveness of 99%.

Wellisair device, designed in Barcelona by the doctor in Biomedical Engineering Pere Monagas, is being used massively in hospitals in China, Vietnam, Thailand or South Korea.

The OH radical is the most important natural oxidant in tropospheric chemistry. It is often called "detergent" in the atmosphere, since it reacts with many pollutants, starting the process of cleaning them. Likewise, it plays an important role in the elimination of greenhouse effect gases such as carbon dioxide, methane and ozone.

The importance of Advanced Oxidation Processes (POA) is that their application destroys the contaminant, and is not concentrated or transferred to the environment. In this way, a total or almost total mineralization of organic pollutants is achieved, which means they have application in the destruction of the vast majority of organic compounds, especially in non-biodegradable compounds such as organochlorines, PCBs, PAHs, etc. It is a clean and safe technology and, in some processes, solar radiation can be used as the process initiator.

Wellisair evaporates an reactive oxygen species (ROS) such as hydrogen peroxide (H2O2) or a terpene such as d-limonene. This evaporation reacts with an internal emission of ozone below the limit concentration issued by the WHO in the environmental limit values (VLA) of the year 2000 for the general public in exposures of up to 8 hours and generates a constant and non-harmful production of OH radicals. Wellisair's operation is based on the emission of ozone in low concentrations (<20 ppb) and the evaporation of standardized amounts of d-limonene or H2O2 from the cartridge, for the execution of the advanced oxidation process. It is a safe, harmless in humans and effective method to quickly eliminate pathogenic microorganisms suspended in large spaces and air surfaces.

Features

  • Efficiently consumes 300mA at 12V (3.6W per hour)

  • Works at a temperature range of -5°C and 40°C

  • Systematically eliminates up to 99.9% bacteria and viruses from the air and surface

  • Reduces PM1, PM5 and PM10 particles from air

  • Minimizes Volatile Organic Compounds (VOCs)

  • Emits no harmful UV radiation

  • Reaches all open spaces in an enclosed area

  • Based on hydroxyl radicals (OH) technology

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Product Specification

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SKU :              SEN615-MAPSWELLIS-02

Brand :            Wellis

Power :            300mA at 12V OR 3.6 Watt/h (Consumption)

Dimensions :    22 x 15 x 37 cm

Warranty :        12 months from the date of Invoice. Please                                contact brand for support.

Return :           PolicyNon Returnable

Product :         Weight1.9 kg

Color :             White

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Efficiency against COVID-19

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Viruses in the coronavirus family are between 60-200 nm in diameter, have a helically symmetrical nucleocapsid and a lipid sheath that is derived from the membrane of the previously infected host cell and contains glycoproteins and surface antigens. The characteristic projections of this genus arise from the lipid sheath, forming a solar corona around it that is visible under a microscope and gives the family its name. Having an envelope implies that the virus is sensitive to different external factors and agents such as heat, lipid solvents, not ionic detergents, formaldehyde and oxidizing agents, and UV irradiation. 
Based on the results obtained with Wellisair in viruses with structures similar to COVID-19 such as the Syncytial Virus (RSV), the device offers an expected elimination result of between 92 and 99%, depending on the relative humidity conditions.

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Wellisair is a very versatile product that allows air and surfaces in all sectors to be purified and disinfected. Given the larger fields of action of this technology, four major applications can be defined:
Virus removal:

 Wellisair technology has been tested on several viruses with different characteristics (morphology, involvement, etc.) and with different environments (wet and dry).

Wellisair's efficacy results in viruses without envelope indicate that in wet conditions the efficacy is less than in dry environments, while in viruses with envelope, the humidity favors the advanced oxidation process and virus elimination than in dry environments. In all tests, the results obtained are around 90-99% elimination, making Wellisair ideal for viral disinfection of air and surfaces.

 

Bacteria removal:

 Another important group of pathogenic microorganisms are bacteria, which have caused serious diseases throughout history.

Wellisair has been tested against several of the main bacteria, both Gram “+” and Gram “-”, such as Bacillus subtilis (resistant to extreme temperature and radiation conditions), Staphylococcus aureus (resistant to disinfectants such as chlorine) or Salmonella (resistant to various antibiotics).

 

Air Quality: Reduction of volatile organic compounds (VOCs) and atmospheric particles (PM):

 Apart from microorganisms, there are other types of compounds that are found in the air and can cause serious pathologies and / or be allergens for a large part of the population. Wellisair allows, through a series of reactions, to oxidize VOCs and PM into harmless compounds.

To corroborate it, several tests were carried out against formaldehydes (VOC) and PM1, PM2.5 and PM10 particles, seeing their almost total disappearance after half an hour of exposure.

 

Air Quality: Odour Reduction (VOCs):

 A part of the VOCs are formaldehydes, ammonia and toluenes, responsible for the odour when going from a liquid (or solid) state to a gas.

Since it is very important that there is a toxin-free, pleasant and odourless environment in public places (administration, gyms, etc.), vets, farms, means of transport or offices, Wellisair has been tested against these compounds, obtaining results 80-99% reduction within a few hours of exposure to the advanced oxidative reaction.