DISINFECTION--Barrier UV -A Series

ULTRAVIOLET DISINFECTION
Ultraviolet(UV) disinfection units are
capable of controlling harmful bacteria,
viruses, yeasts and molds as well as parasites
such as Cryptosporidium or Giardia
that are resistant to chlorination. UV light
inactivates microorganisms altering their
genetic (DNA,RNA) material so that they
can no longer reproduce. The efficiency
of UV light is highly dependent on the
wavelength at which it is emitted (see electromagnetic
spectrum curve above).
Because UV is a physical disinfectant (using
UV energy), it does not alter the
chemical make-up or affect the natural
taste, odor or color characteristics of the
water during treatment. UV provides an
effective disinfection solution without the
potential for chemical by-product formation.
SUPERIOR LAMP TECHNOLOGY
The heart of any UV system is the UV
lamp technology. Combined with the reactor
vessel hydraulics, it determines the
disinfection efficiency, and operating and
maintenance costs. The Barrier A Series
features state-of-the-art Spektotherm
low-pressure, high-intensity lamp technology.
These lamps exhibit the high
efficiency and long effective useful life of
low pressure, low intensity lamps while
producing up to five times more UV-C
output (watts). This minimizes system size
and reduces overall capital and operating
costs since up to 80% fewer lamps are
required, compared to conventional low
pressure systems, to deliver
the same absolute UV disinfection
power. In addition,
using a solid amalgam, as opposed
to liquid mercury,
these lamps are temperature
stable for the wide temperature
ranges encountered in
potable water applications
(32-113