How do disinfectant foggers work?

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A D V A N C E D C C L E A N I N G
How do disinfectant foggers work? advancedccleanin
g.com.au
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Highlights
All foggers work by filling the room with a
solution with disinfectant properties. There are
a number of varieties of disinfectant fogger
machines on the market, which provide different
types of fogging treatment. Choosing the right
treatment for your facility will depend on its
use, potential pathogen exposures, and the
surfaces to be disinfected.
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MOST COMMON TREATMENTS ARE
C H E M IC A L F O G G IN G V A P O R IZE D H Y D
R O G E N P E R O X ID E O ZO N E C H L O R IN
E D IO X ID E IO N IZA TIO N
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A chemical fogger can be a purpose- built,
permanent structure in a factory or warehouse, or
a mobile unit brought into a workplace as needed.
CHEMICAL FOGGING
Chemical foggers work by dispensing a fine mist
of disinfectant solution until the atmosphere is
supersaturated.
This applies an even coating of solution to all
surfaces in the room, as well as disinfects the
air.
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This is a popular method of disinfectant fogging
used in medical settings and pharmaceutical
environments, for cleanrooms and similar.
VAPORIZED HYDROGEN PEROXIDE (VHP)
Cleaning with VHP involves the additional step of
dehumidifying the room, and takes longer to
complete.
VHP fogging also requires pre- cleaning in order
to be effective.
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Ozone is a highly reactive compound and as such
is produced at the point of use by passing air
through a high- energy source such as UV light.
OZONE FOGGING
To treat a workplace with ozone, the room must be
humidified before ozone generation and cleared
with fresh air after the treatment.
This type of fogging usually takes 30-90 minutes
from start to completion.
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Chlorine dioxide is a good choice for fogging
because the gas breaks down into harmless salts.
CHLORINE DIOXIDE (CLO2) TREATMENT
Generally, chlorine dioxide is generated using
sodium chlorite and chlorine gas, so there is an
element of risk involved in handling the harmful
gas during this process.
Chlorine dioxide fogging should therefore always
be performed by a trained and licensed
professional.
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This process involves passing air over ionizing
tubes to create charged ions that seek out and
neutralize
IONIZATION
ongoing disinfection can be achieved with
ionization by releasing a controlled amount of
positive and negative ions, and some commercial
units produce a continual supply of ionized
radicals to constantly maintain a clean
environment.
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