ofua ozonización
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OZONATION
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OZONIZACIÓN
UNIVERSIDAD VERACRUZANA
FACULTAD DE CIENCIAS QUÍMICAS
COATZACOALCOS
INGENIERÍA AMBIENTAL 601
Experiencia educativa: Operaciones Fsicas Unitarias Avan!adas
Equipo C:
Diana "aura Esco#ar Tadeo
$ao%a &' Se(ura Zapien
Teresa i!e%a Rui! &on!a%e!
)o%anda Vi%%aseca *ontero
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+'An Overvie,
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-.at is o!one/
0 And oxidizing sterilant.0 It employed in low concentrations
and short contact time is veryeffective to inactivate bacteria ,
fungi , viruses and protozoa'
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Ozone was discovered in 17! by "an
#auten and is in 1!7 when $erner
von %iemens designs an ozone
generator. In 1&' he first used to
disinfect water in the (etherlands, and
1&)* is applied in a treatment plant in(ice.
o!one
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E% o!ono
0 It can not #e stored or transported '0 2i(.%3 unsta#%e'
0 IN SITU production'0 Use in $OA' UV r!i"io# $o%o&'#'ou(: In a%4a%ine 5ediu5: 6 O7 8 O2 9 -it. .3dro(en peroxide'
)'"'ro&'#'ou(: Cata%3tic 6O7 8 cat 9 $.otocata%3tic 6O7 8 TiO 8 UV9 *ore #eni(n t.an C% and CO 88 ;;+
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Advanced oxidation processes
0 Advanced Oxidation $rocesses6 AO$s 9 ,ere de
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O!one production
Corona discharge method:
+ endothermic reaction.+ electric shoc applied to dry
air or oxygen .
"oltage -lectrodes
-lectricarc
Ozone
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o!one
The half life of ozone in the air is about
20 minutes in the water is very
variable, depending on various factors
(temperature , pH, substances present
in the water , etc ! , can vary from "
minute to #0 minutes $ level playing
field is more stable in water than in air
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Cro,n eect
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Eu p5ent anaccessories
-nvironmental ozonegenerators.
Ozone generators forindustrial environment'
Inectooz
Ozone inection devices/0 simple diffusers
0 Ozone inector venturi
0 static mixers
Ozone sensors/ for ambient
0or water
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Advanta(es and disadvanta(es
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A!*#"&'( 0 Disinectant .i(.
spectru5'0 7@;;; ti5es 5ore t.an
C%'0 No ,aste@ s.ort contact
ti5e '0 Contro%s *'O'0 E%i5inates odors'0 Certi
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Advanta(es and disavan$dvantages %isavantages
-ase of ozone production from air or oxygen by
electric shoc.
Ozone is highly corrosive and toxic.
-ase 2eaction with organic and inorganiccompounds because of their high reactivity andreduction potential .
3he initial cost of the e4uipment is highgenerators re4uire much energy .
the Ozone reduces 3O5 , color , odor andturbidity of treated water.
Ozone must be generated 6in situ6 by probin storage and transportation
Ozone oxidizes iron, manganese and sulfides. 3he half life of ozone in the distribution syst! minutes at room temperature , soozonation does not ensure clean drining w
being necessary to add chlorine.
one of the most efficient chemical disinfectants ,as it re4uires a little time contact.
89:s are formed in the presence of bromaldehydes, etones , etc.
In the absence of bromine, are not formed 89:s.
filters are re4uired for removing actibiodegradable organic carbon
Ozone is more effective than chlorine,chloramines and chlorine dioxide to inactivateviruses, 5ryptosporidium and ;iardia .
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Inactivation of microorganisms by O' is a complex process because the oxyge
3al with a large number of cell constituents/ proteins , unsaturated and -nzym
2espiratory lipids of cell membranes, peptidoglycan in cell envelopes , enzyme
acids in the cytoplasm , 5overs protein and peptidoglycan in spore and virus ca
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o!one (enerator
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' App%ications
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-ine #arre%s
Too+(i#*o+*'! i#
")',i#'%-i#&
pro.'((/
Di(i#'."io##!
("'ri+i"io#:
Mu()roo%(/
A..'p"'! 23")' ru+'( oor&#i. ,i#'pro!u."io#/
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4
T.e 5icroor(
anis5s are
neu tra%i!ed # 3 co%d'
$reservation and stora(e o 5eat
4 to ta% asepsis in 5ea
t'
4 Getter appearance andpresentation'
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Odor re5ova%
S#u5 (%o-' #!pr"i.u+"' po++u"#"(/
Foo! (%'++/
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Irri(ation ,ater
I#."i*"io#M/O/
pr'('#" i#")' (oi+/
Oi!"io# oiro# #!
%#&#'('r'!u.'!or%(/
I#.r'('!.o#.'#"/
OD/
Oi!")'
%'"+("o
#io
Qui.- #! '5'."i*' !i(i#'."io# ")'r'o7*oi!i#& ")' i#"ro!u."io# o %i.roor&#i(%"o p+#" "i((u'(/
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Irri(ation ,ater
O#' !o('89/pp%;po(i"i*'+3i#
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Soi% disinestation
Oo#' i( ")' +"'r#"i*' "o ")' u('o %'")3+ 2ro%i!' or (oi+
u%i&"io#@ ,.en t.is product isapp%ied to t.e soi% #3 inHection@ t.rou(.devices suc. as drip %ines or inHection
pro#es' T.is inHection o o!one .as#een tested in doses ro5 J to KK>
4i%os per .ectare o!one to contro% soi%#orne pat.o(ens'
$ithowaste
8estroyspathogens.
$eedcontro
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-as.in( ve(eta#%es and ruits
0 -.en o!one is used as adisinectant in ,ater at
doses o ;' 7'; pp5@ it is.i(.%3 eective orinactivatin( t.e 5ostco55on or5s o #acteria@spores@ un(i@ viruses anda%(ae present in t.e ,ater
used ,as.in(' 0 O!one is a po,erdisinectant sae used to contro% #(ro,t. o un,anor(anis5s in proeuip5ent used
processin( indus
i t
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(rain stora(e0 O!one app%ied correct%3 in
t.e #ase o t.e si%o stops t.e
(ro,t. o un(i@ reducestoxins@ repe%s insects androdents@ and saves 5one3#3 not reuired o .a!ardousc.e5ica%s'
0 It .as #een deter5ined o!one can e%i5inate ins,it.out da5a(in( t.e
ua%it3 o (rains or
d i 4i t
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drin4in( ,ater4 !i(i# 0'.
"io#
#! +&'
.o# "ro+/
4 O6 i!" io# o0 i#or &#i. %i.r opo++u" #" ( 8F' 3 M#;
4 O 6 i! " io# o 0
or&# i. "# " (
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7' O!oni!ation in,ater
$
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$rocess
Air -ntrance
Ozonator
Ozone inection
Ozone
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0 A; Air '0 B; ir
.o%pr'
0 C; ir !0 D; oo#0 E; S""0 F; >"'0 G; Co#"
"#- 0 $; Oo
D'("ro0 i; Oo#
.o#.'#%o#i"o
0 @; >"'
A %i ti i t
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App%ication o o!one in ,ater
0 To do its Ho# o!one disinection and oxidat
5ust #e in ,ater contact dispersed as
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Disinection in ,aterO!one vs' C.%orine
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"etLs revie, so5e concepts
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"et s revie, so5e concepts
Oo#'//It is 5uc. .eavier t.an air andtends to sin4 to %o,er %eve%s'
Oo#'//It .as a %o, vapor pressure' Oo#'//It .as a s,eet s5e%%@ #ut t.eodor t.res.o%d varies (reatperson and #3 environ5entconditions'
Oo#'// )ou 5a3 #e conused #3 t.e5easurin( sensors ,it. ot.eroxidi!in( (ases'
Oo#'//It reverts to ox3(en ,it. aM.a%%ieM o +; to 7; 5in'
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exercise
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ca%cu%ate t.e dose o o!one
?ROBLEM 1 T.e ca%cu%ation isperor5ed or a store t.atis oran(e and co%%ects,ater ro5 t.e ,as. tan4K;@;;; " ,it. t.eo%%o,in( speci
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Deter5ination o Dose O!one in -ater''
FORMULA:0 T.eoretica% production
Reuired O!one 6-atero,9 x 6DoseO!one9
FORMULA:0 $roduction o O!one
6&as F%o,9 P6Concentration O!one9
?ROBLEM 90 2o, t.eoretica% o!on
dose pp5 o!one atK'; 57 8 . /
?ROBLEM 0 I t.e out%et concen
o!one in an o!one (e+; ( 8 57 ,.en ope% 8 5in ox3(en o, '#e t.e production
output in t.is (enerat
Deter5ination o O!one &enerator output '
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T.an4sQ
#3qu'("io#(
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