Purite SELECT NEPTUNE Analytical, User Manual, Page: 18 / 90

SELECT NEPTUNE
PROCESS DESCRIPTION
Fig-1
VIEW
ELECT Neptune Analytical
re-purified water enters the unit via an inlet solenoid valve. The water pressure
nd flowrate are boosted to their operating levels by the internal pump. A
ressure sensor monitors the internal pressure in the unit and protects the
ystem from over pressurisation.
primary deionisation (NCP) pack. The
timate mix of semiconductor grade nuclear mixed bed resin and highly
activated organic adsorbent, contained in the (NCP) pack, remove virtually all
aces of dissolved inorganic and organic contaminants.
o ensure that all residual traces of organics are removed the deionised water is
radiated with UV light at a wavelength of 185nm. This short wavelength light
nsures that any un-dissociated organic molecules are
cleaved
into smaller
harged species; termed
Photo-oxidation,
which are then be removed by the
econd polishing pack.
he UV lamp used in the
SELECT Neptune Analytical & Ultimate
emits UV
ght at both 185 and 254nm, therefore giving it the additional feature of also
estroying any bacteria present through the disruption of the bacteria’s DNA.
OPERATIONAL OVER
S
P
a
p
s
The water then passes through the first
in
tr
T
ir
e
c
s
T
li
d
Select Neptune Manual Iss: B