ultraviolet disinfection bio-security specification...
TRANSCRIPT
Your investment is in the water…we protect it!
Ultraviolet Disinfection BIO-SECURITYSpecification, Operation and Maintenance in a New Era
2010 AALSO Symposium Moody GardensPresented By: Dan Dycha
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
Age
nda
•W
hy U
V?•
UV
Bas
ics
•Ty
pes
of H
g La
mps
•U
V D
esig
n Pa
ram
eter
s•
Inst
alla
tion
•M
aint
enan
ce
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
App
licat
ions
Util
izin
g U
V
•A
quac
ultu
re•
Aqu
ariu
ms
•Fo
unta
ins/
Pon
ds•
Wat
er F
eatu
res
•H
ospi
talit
y•
Wat
er P
arks
•W
ater
Reu
se•
Was
tew
ater
•P
onds
•P
ool a
nd S
pa•
Zoos
•C
ruis
e S
hips
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
Ultr
avio
let S
teril
izat
ion:
The
Pro
ven
Form
of R
elia
ble
Wat
erbo
rne
Path
ogen
Dis
infe
ctio
n.
UV
Tre
atm
ent i
s:
1. S
afe
to fi
sh a
nd h
uman
s, le
avin
g no
resi
dual
in th
e w
ater
or a
tmos
pher
e
2. C
ost-e
ffect
ive,
from
initi
al e
quip
men
t pur
chas
e to
the
over
all c
ost o
f ow
ners
hip
3. S
tabl
e, c
onsi
sten
t, an
d ea
sily
mon
itore
d
4. A
pro
ven
and
relia
ble
path
ogen
dis
infe
ctan
t, w
hen
appl
ied
prop
erly.
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
Prer
equi
site
s of
Suc
cess
ful U
V D
isin
fect
ion.
Step
One
: Ide
ntify
the
“Tar
gete
d M
icro
orga
nism
” and
its
requ
ired
UV
Dos
efo
r effe
ctiv
e tre
atm
ent.
-Sho
wn
here
: Par
t 1 o
f 3: A
lgae
, Bac
teria
, and
Fun
gi
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
Prer
equi
site
s of
Suc
cess
ful U
V D
isin
fect
ion.
-Sho
wn
here
: Par
t 2 o
f 3: P
roto
zoa.
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
Prer
equi
site
s of
Suc
cess
ful U
V D
isin
fect
ion.
-Sho
wn
here
: Par
t 3 o
f 3: V
iruse
s.
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
Prer
equi
site
s of
Suc
cess
ful U
V D
isin
fect
ion
(con
tinue
d).
The
“Ger
mic
idal
Act
ion
Spe
ctru
m” C
urve
is id
entif
ied
on th
e S
pect
rum
of L
ight
ch
art b
elow
; of w
hich
, UV-
C’s
264
nan
omet
ers
is th
e m
ost e
ffici
ent w
avel
engt
h fo
r liv
ing
mic
roor
gani
sm d
isin
fect
ion.
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
Prer
equi
site
s of
Suc
cess
ful U
V D
isin
fect
ion
(con
tinue
d).
Step
Tw
o:Id
entif
y th
e A
pplic
atio
n’s
Per
cent
UV
Lig
ht T
rans
mis
sibi
lity
(%U
VT)
. %
UV
T is
the
mea
sure
men
t of U
V-C
ligh
t tra
nsm
ittan
ce in
wat
er. C
onta
min
ates
an
d ot
her w
ater
born
e ag
ents
will
abs
orb
UV
ligh
t. K
now
ing
the
actu
al c
ondi
tion
of th
e ap
plic
atio
n’s
wat
er is
ess
entia
l for
cal
cula
ting
an a
ccur
ate
UV
flow
rate
an
d ul
timat
ely
achi
evin
g su
cces
sful
UV
trea
tmen
t!
A cr
edib
le U
V M
anuf
actu
rer w
ill a
llow
you
to s
ubm
it an
app
licat
ion
wat
er
sam
ple
and
will
pro
vide
you
with
%U
VT
test
resu
lts. T
he te
st s
ampl
e sh
ould
re
pres
ent a
wor
se c
ase
scen
ario
.
Step
Thr
ee:I
dent
ify th
e A
pplic
atio
n’s
Min
imum
& M
axim
um O
pera
ting
Wat
er
Flow
Rat
e.
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
Typi
cal V
alue
s Fo
r UV
Tran
smitt
ance
Type
of W
ater
Typi
cal U
V Tr
ansm
ittan
ce(1
cm
) @ 2
54 n
m
Ultr
apur
e W
ater
(RO
/DI)
� 98
%
Drin
king
Wat
er80
–96
%
Swim
min
g Po
ol W
ater
appr
ox. 9
0%
Sea
Wat
er70
–90
%
Zoo/
Aqu
ariu
m70
–90
%
Wat
er R
euse
70 –
85%
Was
tew
ater
35 –
60%
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
UV
Tran
smitt
ance
is K
EY!
H
owev
er, o
ther
fact
ors
are
rele
vant
:
•Pa
rtic
les
/ Sus
pend
ed S
olid
s•
Impa
ct d
epen
ds o
n si
ze o
f the
par
ticle
s–
All
parti
cles
abs
orpt
ion
of U
V li
ght
–P
artic
le s
ize
dist
ribut
ion:
par
ticle
s >
10 m
m im
pact
di
sinf
ectio
n–
Res
ultin
g in
:•
Slo
wer
inac
tivat
ion
rate
s (ta
iling
of d
ose-
resp
onse
cur
ve)
•R
esid
ual m
icro
bial
pop
ulat
ion
not a
ble
to b
e di
sinf
ecte
d (p
late
au o
f dos
e-re
spon
se c
urve
)
•R
emov
al o
f par
ticle
s im
prov
es U
V di
sinf
ectio
n
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
The
UV
inte
nsity
cal
cula
tions
for t
he L
ahon
ton
NFH
pr
ojec
t wer
e pe
rform
ed u
sing
ver
sion
2.1
2 of
the
UV
CA
LC U
V m
odel
ing
prog
ram
by
Bol
ton
Pho
tosc
ienc
es
Inc.
App
lied
fluen
ce (D
ose)
from
85%
to 9
5%
trans
mis
sibi
lity
:50
00 G
PM
:A
pplie
d U
V flu
ence
(Dos
e) @
85%
T =
37.
874
mj/c
m2
App
lied
UV
flue
nce
(Dos
e) @
90%
T =
46.
361
mj/c
m2
App
lied
UV
flue
nce
(Dos
e) @
95%
T =
68.
288
mj/c
m2
UV
Flue
nce
(Dos
e) R
ate
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
Prer
equi
site
s of
Suc
cess
ful
UV
Dis
infe
ctio
n(c
ontin
ued)
.
Step
Fou
r:S
elec
t a R
elia
ble
UV
Bra
nd/M
anuf
actu
rer t
hat p
rovi
des
“third
party
val
idat
ed” E
quip
men
t spe
cific
atio
ns.
This
man
ufac
ture
r sho
uld
also
hav
e a
good
repu
tatio
n w
ith “c
usto
mer
sup
port”
!
s. ood
The
UV
equ
ipm
ent d
esig
n an
dflo
w ra
tes
shou
ld b
e ba
sed
upon
Est
ablis
hed
Eng
inee
ring
Gui
delin
esas
foun
d in
the
Bol
ton
Pho
tosc
ienc
es, I
nc. U
ltrav
iole
tA
pplic
atio
ns H
andb
ook
and
“UV
CA
LC” M
odel
ing
Pro
gram
,bo
th o
f whi
ch a
re re
cogn
ized
by
the
EPA
, and
the
EPA
’sG
uida
nce
Man
ual i
tsel
f.
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
Succ
essf
ul U
V D
isin
fect
ion…
Ach
ieve
d!
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
Succ
essf
ul U
V D
isin
fect
ion…
Ach
ieve
d!
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
Aver
age
Ret
entio
n Ti
me
•Flo
w R
ate
/ Rea
ctor
Vo
lum
e•M
in. V
eloc
ity•M
ax. V
eloc
ity•H
eadl
oss
Aver
age
Inte
nsity
•Lam
p O
utpu
t•L
amp
Age
•Qua
rtz
Slee
ve
Tr
ansm
ittan
ce
•Wat
er Q
ualit
y(U
V Tr
ansm
ittan
ce)
UV
Dos
e=
Ret
entio
n Ti
me
x In
tens
ity
[mJ/
cm²]
=
[s]
x [m
W/c
m²]
UV
Des
ign
Para
met
ers
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
UV
Ster
ilize
r Des
ign.
The
UV
Lam
p is
the
mos
t crit
ical
ope
ratin
g co
mpo
nent
of a
ny U
V St
erili
zer.
It de
term
ines
ove
rall
equi
pmen
t per
form
ance
, ini
tial
unit
pric
e an
d co
st o
f ow
ners
hip.
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
Type
s of
Hg
UV
Lam
ps
Low
-Pre
ssur
eM
onoc
hrom
atic
Out
put
Med
ium
-Pr
essu
rePo
lych
rom
atic
O
utpu
t
Sour
ce: E
PA U
V D
isin
fect
ion
Gui
danc
e M
anua
l, N
ovem
ber 2
006
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
Crit
eria
For
Opt
imiz
ed U
V La
mps
•H
igh
outp
ut in
UV-
C•
Low
pow
er c
onsu
mpt
ion
•St
abili
ty a
gain
st te
mpe
ratu
re•
Low
tend
ency
aga
inst
qua
rtz
foul
ing
•Si
mpl
e m
aint
enan
ce
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
UV
Ster
ilize
r Des
ign
(con
tinue
d).
UV
Lam
p Fi
eld
Arr
ay
The
UV
Lam
p’s
oper
atin
g pe
rform
ance
est
ablis
hes
the
dim
ensi
ons
of th
e U
V e
xpos
ure
cham
ber.
Lam
ple
ngth
and
UV-
C O
utpu
t are
am
ong
the
mos
t crit
ical
perfo
rman
ce fa
ctor
s us
ed to
des
ign
the
lam
p ar
ray
inor
der t
o be
st u
tiliz
e th
e la
mps
’ UV
out
put.
Shel
l & T
ube
Styl
e
Ope
n C
hann
el S
tyle
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
UV
Ster
ilize
r Des
ign
(con
tinue
d).
Opt
imal
UV
Lam
p P
erfo
rman
ce
Bal
last
(s) s
peci
fical
ly
mat
ched
to th
e U
V
Lam
p’s
oper
atin
g R
equi
rem
ents
(driv
ing
the
lam
p at
pea
k ou
tput
& m
axim
izin
g us
ing
life)
. U
V L
amp
Arra
y ut
ilizin
gth
e la
mp’
s ou
tput
to it
sm
axim
um p
oten
tial
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
UV
Hou
sing
& P
ower
sup
ply
Mou
ntin
g
Prio
r to
initi
al o
pera
tion
chec
k al
lqu
artz
sle
eve
reta
inin
g nu
ts fo
rtig
htne
ss; r
etig
hten
if n
eces
sary
.
Lam
p C
onne
ctio
n(la
mp
not i
n fin
al p
ositi
on)
The
UV
Ste
riliz
er s
houl
d be
pla
ced
afte
r the
mec
hani
cal f
ilter
; com
mon
ly, a
t the
end
of th
e fil
tratio
n lo
op.
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
UV
Hou
sing
Pos
ition
: Ve
rtica
l Pos
ition
–E
lect
rical
end
mus
t be
posi
tione
d at
the
top.
The
Inle
t mus
t be
at th
e bo
ttom
and
the
Out
let a
t the
top
toen
sure
you
r saf
ety.
Hor
izon
tal P
ositi
on–
Inle
t / O
utle
t Por
ts m
ust f
ace
dire
ctly
upw
ard.
In th
is p
ositi
on th
e in
let a
nd o
utle
t are
inte
rcha
ngea
ble;
it is
you
r cho
ice.
Pro
per p
ositi
onin
g w
ill e
limin
ate
the
chan
ce o
f air
beco
min
gtra
pped
insi
de th
e U
V b
ody.
Ple
ase
follo
w th
ese
mou
ntin
gre
com
men
datio
ns C
lose
ly to
ens
ure
prop
er w
ater
flow
and
safe
equ
ipm
ent o
pera
tion.
Failu
re to
rem
ove
trap
ped
air c
anre
sult
in th
e ru
ptur
e of
or h
eat
dam
age
to th
e U
V H
ousi
ng!
UV
Hou
sing
Pos
ition
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
UV
By-
pass
Loo
p
By-
Pas
s–
If yo
u w
ish
to u
se th
e un
it in
a b
y-pa
ss lo
op, i
sola
te th
eU
V fr
om th
e m
ain
line
usin
g 3-
way
val
ves.
The
uni
t may
requ
ire a
nau
tom
atic
air
blee
d sy
stem
be
inst
alle
d.
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
Rou
tine
Mai
nten
ance
& R
epla
cem
ent P
arts
1.R
epla
ce la
mps
per
man
ufac
ture
r’s re
com
men
ded
spec
ifica
tions
: Lo
w-P
ress
ure
typi
cally
8,0
00 –
12,0
00 h
ours
&
Med
ium
-Pre
ssur
e ty
pica
lly 4
,000
–8,
000
hour
s
2.R
epla
ce q
uartz
sle
eve
com
pres
sion
gas
kets
eac
h tim
e th
e co
rres
pond
ing
lam
p is
cha
nged
.
3.C
lean
and
insp
ect q
uartz
sle
eves
per
iodi
cally
(eve
ry 6
to 1
2 m
onth
s.) I
t is
reco
mm
ende
d to
repl
ace
Qua
rtz S
leev
es
shou
ld th
ey e
xhib
it ha
irlin
e cr
acks
, gou
ges,
pitt
ing
or
perm
anen
t min
eral
dep
osits
or s
tain
s.
4.R
epla
ce la
mp
conn
ecto
rs if
they
sho
w s
igns
of c
orro
sion
on
the
lam
p po
wer
cor
ds.
5.R
epla
ce th
e ba
llast
s if
they
fail.
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
Qua
rtz
Slee
ve C
lean
ing
Turn
off
your
wat
er s
uppl
y to
the
UV
Ste
riliz
er. W
ith th
e el
ectri
cal p
ower
shu
t of
f, dr
ain
the
wat
er fr
om th
e U
V H
ousi
ng.
Rem
ove
the
quar
tz s
leev
es’ c
ompr
essi
on fi
tting
s.
Gen
tly s
lide
the
quar
tz s
leev
es o
ut o
f the
UV
Hou
sing
and
insp
ect f
or
brea
kage
, cal
cium
or d
irt. T
o C
lean
: Dirt
–U
se a
mild
dis
h w
ashi
ng d
eter
gent
, th
orou
ghly
rins
e an
d dr
y be
fore
reus
ing.
Cal
cium
–U
se M
uria
tic A
cid
or v
ineg
ar to
dis
solv
e th
e ca
lciu
m,
thor
ough
ly ri
nse
with
cle
an w
ater
and
dry
bef
ore
reus
ing.
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
Qua
rtz
Slee
ve In
stal
latio
n (c
ontin
ued)
Tigh
ten
all r
etai
ning
nut
s or
com
pres
sion
fit
tings
for e
ach
Qua
rtz S
leev
e po
sitio
n.
Per
form
a w
ater
test
afte
r to
verif
y th
at
each
Qua
rtz S
leev
e co
mpr
essi
on fi
tting
ac
hiev
es w
ater
tight
sea
l.
Your
inve
stm
ent i
s in
the
wat
er…
we
prot
ect i
t!
Cle
ar D
ocum
enta
tion