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Disinfection Units
Description:
Disinfection units are small devices that are designed to kill bacteria in
wastewater as it passes through them. The two most common types are ul
violet lights and chlorination units. Both of these units are usually located nea
the tanks in small pipes containing eithe
w
astewater enters the unit, comes in contact with the UV or Chlorine, before
exiting.
Function:
The function of the disinfection unit is to kill harmful bacteria, viruses and other
pathogens
present in the wastewater. This reduces the potential human health
ri
sk once the water flows through the drainfield and into the environment.
M
aintenance:
•
Disinfection units are part of ATU or recirculating filter systems, which must
be checked annually at a minim
• Make sure that power to the disinfection unit remains on at all times.
• A certified maintenance provider will clean
bulbs or chemicals as needed.
ULTRA-VIOLET
DISINFECTION UNIT
ALARM OR
CONTROL
PANEL
IN
r a UV light bulb, or chlorine tablets. The
um by a certified O&M provider.
OUT
ULTRA-VIOLET
LIGHT
- 55 -
unit when necessary and replace
CHLORINATION
DISINFECTION UNIT
IN
tra-
r
CHLORINE
UNIT
OUT
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