DOCENTE:I N G VA S Q U Z R N
DAOMAR
TEGRANTES: AUCCA AUCCATINCO TINCO HACHO, HACHO, CRISEL 2013236551 CLEMENTE EGUSQUIZA, ELVIS 2013236596 MORALES MORALE S ALFARO, ALFARO, GHERLY
20132321 62
TORR TORRES ES MERA, MERA, JAIR JAIR ANTO ANTONI NIO O 2013019284
LANA
AYALA,
AVI ALONSO 2010031!1
. E A A
IN
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CO TOTAL EN AGUAS RESIDUALES Y LIXIVIADOS
Contenido INTRODUCCION.......... INTRODUCCION .................... ..................... ..................... ..................... ...................... .......................................... ............................... 1 OBJETIVOS........... OBJETIVOS ..................... ..................... ..................... ..................... ...................... ..................... ...................................... ............................ 3 MARCO TEORICO.......... TEORICO.................... ..................... ...................... ..................... ..................... ........................................ ............................. 3 DEMANDA BIOQUIMICA DE OXIGENO (DBO5).................................................... 3 OXIGENO DISUETO DISUETO........................................................................................ ! E"ECTOS DE OTROS #AR$METROS EN A DEMANDA BIOQU%MICA DE OXIGENO (DBO5)
.................... .............................. .................................. ........................ &
METODOS PARA LA DETERMINACION DE DBO
#ROCEDIMIENTO.......... #ROCEDIMIENTO ..................... ..................... ..................... ..................... .................................................. ........................................ ' MATERIAES......... MATERIAES .................... ...................... ..................... ..................... ..................... ......................................... ............................... ' REACTIVOS........... REACTIVOS ..................... ..................... ..................... ..................... ................................................... ........................................ 1 METODOOG%A......... METODOOG%A .................... ...................... ..................... ..................... ..................... ..................... ............................. .................. 11 RESUTADOS........... RESUTADOS ..................... ..................... ..................... ..................... ...................... ..................... ................................. ....................... 1 ! EST$NDARES DE CAIDAD......... CAIDAD .................... ..................... ..................... ........................................... ................................ 15 MEDICIN.......... MEDICIN ..................... ..................... ..................... ..................... ..................... .............................................. ................................... 15 COM#ARACIN.......... COM#ARACIN ..................... ..................... ..................... ..................... ..................... ....................................... ............................ 1& CONCUSIONES............................................................................................. CONCUSIONES ............................................................................................. 1* BIBIOGRA"%A................................................................................................ BIBIOGRA"%A ................................................................................................ 1*
5
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CACUO DE DEMANDA BIOQUIMICA DE OXIGENO UN"V
ITRODUCCION + ,o-+/i0n de o2 /onoe-+do2 4-+no26 /o7i/+-on en ,o-+ not+e e 24 24ini2 ini2tt-o o de +4+ +4+ 7ot+ 7ot+ e6 e6 dei deido do + 84e 84e o2 o2 -9o2 -9o2 2e 4ti 4tii: i:++-on on 2i4t 2i4t;ne ;ne+ +ent ente e /oo /oo ,4ente ,4ente de ++2te ++2te/i /iien iento to < /oo /oo =e>9/ =e>9/4o 4o de t-+n27o-te de de27e-di/io2 do?2ti/o2. A de2/+-+- /4+84ie- ti7o de +4+ -e2id4+ do?2ti/+6 ind42t-i+ < de +-i/4t4-+ en 4n /4e-7o -e/e7to-6 2e 7-od4/en /+io2 en ?6 o/+2ion+ndo di=e-2o2 e,e/to2 t+e2 /oo + 2+o-6 oo- de2+-+d+e6 in/-eento o de2/ de2/en en2o 2o de te7 te7ee-+t +t44-+@ +@ e2t+ e2t+22 /ond /ondi/ i/io ione ne22 de de +4+6 4+6 t-+e t-+en n /oo /oo /on2e/4en/i+ + +te-+/i0n de e27e/ie2 84e >+it+n en e /4e-7o -e/e7to-6 + ,+4n+ +/4;ti/+ 2e +2i+ 7o- ,+t+ de o9eno < +de;2 74eden /+42+di=e-2+2 en,e-ed+de2 en o2 >4+no2 /oo /0e-+6 ti,oide+6 di2ente-9+ < e-e ++-i+. E d?/it ;io de o9eno de7ende de + inte--e+/i0n de + 4tii:+/i0n io0i/+ de o9eno < + -e+e-e+/i0n. -e+e-e+/i0n. o2 20ido2 o-;ni/o i/o2 74eden /-e+e+- de702ito2 de od odo2 84e + de2/o7one-2e6 de2/o7one-2e6 o/+2ion+n -eione2 de +t+ de+nd+ de o9eno e inten2o2 oo-e2. FIGURA N"1
E#$%&'( )$ L*+-* )$ O./)*/- S$)/%$-*/- )$ L()( A/*)( $- '*-* )$ T7**%/$-( )$ A+* R$/)*'$
A n de e=it+- o2 e,e/to2 +nte2 en/ion+do26 +nte2 de de2/+-+de2/+-+- +2 +4+2 -e2id4+e2 + o2 /4e-7o2 -e/e7to-e26 ?2t+2 t+2 deen 2e- t-+t+d+2 +de/ +de/4+ 4+d+ d+e ent nte e 7+-+ 7+-+ odi odi/ /++- 242 242 /ond /ondi/ i/io ione ne22 ,92i ,92i/+ /+26 26 849 849i/+ i/+22 < i/i/-o oio io0 0i i/+ /+26 26 + 9i 9ite te e2t+ e2t+ e/ e/id ido o 7o7o- +2 +2 nono-+2 +2 n+/i n+/ion on+ +e2 e2 e inte inte-n -n+/ +/io ion+ n+e e26 26 7+-+ 7+-+ 84e 84e +29 +29 e /4e/4e-7o 7o -e/e7 e/e7to to-- no 24,24,-+ + 4n i7+ i7+/t /to o e/o0 e/o0i/o i/o 247e-i 247e-io-@ o-@ +de; +de;26 26 7+-+ 7+-+ 84e 2e 7-od4 7-od4:/+ :/+ 4n+ +4to74 +4to74-i -i/+/ /+/i0n i0n -;7id+. Ent-e o2 /ont+in+nte2 7-e2ente2 en +2 +4+2 -e2id4+e2 do?2ti/+26 do?2ti/+26 < en +4no2 +4no2 e4ente2 e4ente2 ind42t-i+ ind42t-i+e26 e26 2e en/4ent-+ en/4ent-+n n no-+e no-+ente nte /o74e2to /o74e2to22 o-;ni/o2 iode-+d+e26 84e + 2e- de2do+do2 < /on24ido2 7o- +2 +/te-i+26 -ed4/en e o9eno di24eto en e +4+.
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CACUO DE DEMANDA BIOQUIMICA DE OXIGENO UN"V
+ 7-4e+ de DBO6 2e 42+ 7+-+ dete-in+- o2 -e84e-iiento2 -e+ti=o2 de O9eno en +4+ /ont+in+d+. Sin e+-o ei2te + iit+nte6 84e de2de e +o-+to-io no 74eden -e7-od4/i-2e +2 /ondi/ione2 ,92i/+26 849i/+2 < de 4o io0i/o de + DBO. DBO. + DBO5 tiene 4n +7io -+no de +7i/+/ione26 2in e+-o 7o2ee 4n+ 2e-ie de iit+nte2 t+e2 /oo +2 2i4iente2 +) + ne/e2id ne/e2id+d +d de di27on di27onee- de 4n+ +t+ /on/en /on/ent-+ t-+/i0 /i0n n de +/te-i +/te-i+2 +2 +/ti=+2 < +/i+t+d+2 84e 2e 4tii/en /oo ino/4o. ) + ne/e ne/e2i 2id+ d+d d de 4n 7-et 7-et-+ -+t+ t+i ien ento to de + 4e2 4e2tt-+ + /4+n /4+ndo do >+<+ >+<+ -e2id4o2 t0i/o2 en e+. /) + ne/e2id+ ne/e2id+d d de -ed4/i-ed4/i- o2 e,e/to2 e,e/to2 de o2 o-+ni2o o-+ni2o22 nit-i/+nte nit-i/+nte2. 2. d) + ne/e2id+ ne/e2id+d d de 4n 7e-iodo 7e-iodo 7-oon 7-oon+d +do o 7+-+ 7+-+ otene otene-- o2 -e24t -e24t+do +do22 de + 7-4e+. e) E en2++<+ 2ido 4tii:+d+. ,) E 7e-iod 7e-iodo o de /in/o /in/o d9+2 74ede 74ede o no /o-/o--e27ond e27ondee- + 74nto 74nto en e 84e + +te-i+ o-;ni/+ 2o4e 7-e2ente >+<+ 2ido 4tii:+d+. ) Un+ de2=en de2=ent++ t++ +di/ion +di/ion+ + de + dete-i dete-in+/i0 n+/i0n n de + DBO56 e2 84e o2 -e24t+do2 no d+n 4n+ indi/+/i0n de + t+2+ ;2 +t+ de o9eno6 + eno eno22 84e 84e ?2t+ ?2t+ 2e dete dete- -ine ine en inteinte-=+ =+o2 o2 di+-i di+-io2 o2 d4-+ d4-+nt nte e 4n 7e-iodo de tie7o en 4+- de e2t;nd+- de /in/o d9+2.
U( E 7+-;et-o de + De+nd+ Bio849i/+ de O9eno (DBO)6 2e 42+ 7+-+ dete-in+- + /ont+in+/i0n i0n io0 0i/+ i/+ de +4+6 idi idiendo o2 -e84e-ii iiento2 de o9eno de+nd+do2 7o- 4n+ 7o+/ +/i0n de i/-oo-+ni2o26 t+nto en +4+ t-+t+d+ /oo /ont+in+d+. T+i?n6 2e 4tii:+ 7+-+ dete-in+- + e/ien/i+ de 4n 7-o/e2o de t-+t+iento de +4+2 < 7+-+ dien2ion+- +2 in2t++/ione2 7+-+ e t-++iento de +2 i2+2. Sin e+e+-o6 o6 +2 iit+ iit+nte nte22 en/on en/ont-+ t-+d+ d+22 + e2te e2te 7+-; 7+-;et et-o -o66 >+n o-iin o-iin+d +do o e2t4 e2t4di dio2 o2 di-i di-ii ido do22 + + in=e2 in=e2ti ti+ +/i /i0n 0n de 4n ?to ?todo do ;2 ;2 7-;/ 7-;/ti ti/o /o66 ;2 ;2 7-e/i2o6 < 2o-e todo ;2 -;7ido6 7+-+ 4tii:+-2e /oo 7+-;et-o indi/+dode /ont+in+/i0n en e +4+. FIGURA N" 2
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CACUO DE DEMANDA BIOQUIMICA DE OXIGENO UN"V
O9eno6 O9eno6 S0ido2 S0ido2 Tot+e2 ot+e2 Vo;tie26 o;tie26 S0ido2 S0ido2 S427endido S427endido22 Tot+e26 ot+e26 S0ido2 S0ido2 S427endido2 Vo;tie2 < S0ido2 Tot+e2 + F < 3 t 7o- 4n e27+/io de 3 d9+26 + 4n+ 4e2t-+ de +4+ -e2id4+ do?2ti/+@ 2i4iendo + etodoo9+ de o2 St+nd+-d Met>od2 ,o- t>e E+in+tion o, +te- +nd +2teH+te-. Con o2 d+to2 ene-+do26 2e 2i4i0 e 7-o-e2o de + DBO /on -e27e/to + + DQO < o2 STV6 /on e 7-o702ito de d+- 4n+ +7o-t+/i0n + e2t4dio de /o7o-t+iento de + DBO < + +2 7o2ie2 2o4/ione2 de 242 iit+nte2.
I%&(7*-/* #+-+ /ont-o+- +2 de2/+-+2 de +4+2 -e2id4+e2 do?2ti/+2 e ind42t-i+e26 < o7tii:+- + e/ien/i+ de +2 7+nt+2 de t-+t+iento6 2e dee dete-in++ /+ntid+d de +te-i+ o-;ni/+. o2 7+-;et-o2 84e 2e 42+n 7+-+ t+e2 dete-in+/ione2 2on + DB56 DQO < COT. + /+7+/id+d de +2 +/te-i+2 7+-+ die-i- + +te-i+ o-;ni/+6 2e ide edi+nte + 7-4e+ de + De+nd+ Bio849i/+ de O9eno. + dete-in+/i0n de + DBO6 e2 4n+ de +2 7-4e+2 ;2 i7o-t+nte2 7+-+ /ono/e- + /+7+/id+d de /ont+in+/i0n de o2 /4e-7o2 -e/e7to-e26 < + ,4e-:+ /ont+in+nte de +2 +4+2 ne-+2 < o2 de2e/>o2 ind42t-i+e2. + DBO d+ 4n+ indi/+/i0n indi/+/i0n de + /+ntid+d /+ntid+d de +4+ /+-+ de di4/i0n di4/i0n ne/e2+-i+6 ne/e2+-i+6 7+-+ 4n+ e=+/4+/i0n 2+ti2,+/to-i+ de +4+2 ne-+2 7o- di4/i0n.
BOJETIVOS OBJETIVO GENERA
Dete-in+ in+- e DBO5 en +4+2 n+t4-+e2 7o- e ?todo de di4/i0n.
OBJETIVOS ES#EC%"ICOS
Co7 Co7--ende ende-- e ?to ?todo do de di4 di4/i /i0n 0n.. Identi Identi/+ /+-- o2 7-o/e 7-o/edi diien iento2 to2 7+-+ 7+-+ + dete dete- -in+ in+/i0 /i0n n de DBO DBO5. Co7+Co7+-++- o2 o2 -e24t -e24t+do +do22 /on + no-+t no-+ti=+ i=+ +i +ient ent+ + =ient =iente e de n4e2t-o 7+92.
MARCO TEORICO DEMANDA BIOQUIMICA DE OXIGENO (DBO5 )
+ DBO5 e7-e2+ + /+ntid+d de o9eno ne/e2+-i+ 7+-+ de-+d+- + +te-i+ o-;ni/+ 7-e2ente en e +4+ -e2id4+6 7o- edio de o2 i/-oo-+ni2o2 7-e2ente2 7-e2ente2 en e+6 d4-+nte 5 d9+2. #o- o t+nto6 e2 4n ?todo 84e ide + +te-i+ o-;ni/+ iode-+d+e < 7e-ite +7-e/i+- + /+-+ o-;ni/+ iode-+d+e de +4+ < 24 7ode- +4tode74-+do-. E2t+ edid+ de 5 d9+2
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CACUO DE DEMANDA BIOQUIMICA DE OXIGENO UN"V
tiende + 7one- e2to2 5 d9+26 84e /o--e27onde /o--e27onde + 4n+ de-+d+/i0n de + +te-i+ o-;ni/+ iode-+d+e iode-+d+e ent-e e & < e *K de + +te-i+ o-;ni/+ iode-+d+e tot+ en +4+2 -e2id4+e2 4-+n+2. + o2/4-id+d6 2e 4tii:+ 7+-+ e=it+- 84e + 7-e2en/i+ de ++2 i/-o2/07i/+2 7-od4:/+ o9eno +di/ion+ 7o- + ,oto29nte2i2 < +te-en e -e24t+do. T+i?n6 T+i?n6 2e 74ede edi- + DBOF16 84e e2 + de+nd+ io849i/+ de o9eno + o2 F1 d9+2 < /o--e27onde /o--e27onde + + de-+d+/i0n de + +te-i+ o-;ni/+ iode-+d+e ent-e e '5 < e 'LK de + +te-i+ o-;ni/+ iode-+d+e tot+ en +4+2 -e2id4+e2 4-+n+26 +4n84e deido + + -+n /+ntid+d de tie7o 84e 2e -e84ie-e6 no e2 4< /on 24 4tii:+/i0n. Si en +2 +4+2 -e2id4+e2 >+< i/-oo-+ni2o2 /+7+/e2 de oid+- + +te-i+ nit-oen+d+ + nit-+to26 e2to o/+2ion+ 4n +4ento en + DBO. A 7+-ti- de 5 o & d9+ < +7+-e/e e2te +4ento 84e 2e denoin+ DBO nit-oen+d+. MATERIA MATERIA ORGANICA + O2 + NUTRIENTES → BACTERIAS NUEVAS CEUAS COF FO RESIDUOS NO BIODEGRADABES.
DBO (%!O2&
DBO
DBO )#r*n#$# nitr!"n#$#
5
t ($#,
OXIGENO DISUELTO E O9eno Di24eto (OD) e2 + /+ntid+d de o9eno 84e e2t; di24et+ en e +4+ < 84e e2 e2en/i+ 7+-+ o2 -i+/>4eo2 < +o2 2+4d+e2. E ni=e de o9eno di24eto 74ede 2e- 4n indi/+do- de /4;n /ont+in+d+ e2t; e +4+ < /4;n ien 74ede d+- 2o7o-te e2t+ +4+ + + =id+ =eet+ < +ni+. Gene-+ente6 4n ni=e ;2 +to de o9eno di24eto indi/+ +4+ de eo/+id+d. G-+n 7+-te de o9eno di24eto en e +4+ 7-o=iene de o9eno en e +i-e 84e 2e >+ di24eto en e +4+. #+-te de o9eno di24eto en e +4+ e2 e -e24t+do de + ,oto29nte2i2 de +2 7+nt+2 +/4;ti/+2. + t4-4en/i+ de + /o--iente t+i?n 74ede +4ent+- o2 ni=ee2 de OD deido + 84e e +i-e 84ed+ +t-+7+do +o e +4+ 84e 2e 4e=e -;7id+ente < e o9eno de +i-e 2e di2o=e-; en e +4+. Ade;26 + /+ntid+d de o9eno 84e 74ede di2o=e-2e en e +4+ (OD) de7ende de + te7e-+t4-+. te7e-+t4-+.
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CACUO DE DEMANDA BIOQUIMICA DE OXIGENO UN"V
RANGOS DE OXIGENO
E-ECTOS DE OTROS AR/METROS EN LA DEMANDA BIOQU0MICA DE OXIGENO (DBO5 T/$%&(
C4+n C4+nto to ;2 ;2 tie tie7o 7o t-+n t-+n2/ 2/44---e + -e+// e+//i0 i0n n e2t+ e2t+-; -; ;2 ;2 /e-/ /e-/+ + de 242 242 t?-ino2. Coo 2e en/ion0 /on +nte-io-id+d + De+nd+ Bio849i/+ de O9eno e2 2oo 7+-te de + De+nd+ Uti+ de Oieno (DBO4). T$%&$7*7*
+ te7e-+t4-+ e2 4no de o2 ;2 i7o-t+nte2 ,+/to-e2 en 4n 2i2te+ io0i/o6 #-in/i7+ente o2 /+io2 en te7e-+t4-+2 te7e-+t4-+2 7-od4/i-;n 4n +4ento o -ed4//i0n de + =eo/id+d de -e+//i0n.
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CACUO DE DEMANDA BIOQUIMICA DE OXIGENO UN"V
Q /on2t+nte. ($-/*' )$ H/)7+$-( =&H>
o2 o-+ni2o2 -e27on2+e2 de + de-+d+/i0n de + +te-i+ o-;ni/+ ene-+ente ene-+ente ee-/en 24 +//i0n dent-o de 4n ;ito 4< 7e84eo de 76 e /4+ e2 +-ededo- de &.5 < L.3 N7/$-$
+2 +/te-i+2 -e84ie-en de n4t-iente2 o-;ni/o2 e ino-;ni/o2 7+-+ 24 et+oi2o. et+oi2o. En + 7-4e+ e2t;nd+- de + De+nd+ Bio849i/+ de O9eno6 e2 e +4+ de di4/i0n + 84e in/4o2 ind42t-i+e2 no /4ent+n /on o-+ni2o2 7e-,e/t+ente +/i+t+do2 +/i+t+do2 < 4/>o2 eno2 + +4+ de di4/i0n 84e 2e 4tii:+. T(.//)*)
Son 4/>o2 o2 /o74e2to2 t0i/o2 + o2 i/-oo-+ni2o2. Con/ent-+/ione2 +t+2 de e2to2 /o74e2to2 74eden +t+- + 7o+/i0n i/-oi+n+ o -ed4/i-+ /on2ide-+eente. Se-;n ne/e2+-i+2 7-4e+2 e27e/i+e2 /4+ndo 2e ten+n d4d+2 de + in>ii/i0n de + -e+//i0n en dete-in+do2 dete-in+do2 +n;i2i2
METODOS ARA LA DETERMINACION DE DBO
EL M?TOO RESIROM?TRICO RESIROM?TRICO E2 ;2 2en/io +4n84e tiene o2 i2o2 in/on=eniente2 84e e ?todo de di4/i0n. E2te ?todo no ne/e2it+ 4n e2t;nd+- 7+-+ -e+i:+-e+i:+- + edid+ < e2t+ /on2i2te en en+- 4no2 ,-+2/o2 /on 4n =o4en /ono/ido de +4+ -e2id4+ < /on di,e-ente2 di4/ione2 en +4+ de2ti+d+ de + i2+ 4e2t-+ + +n+i:+-. E2to2 ,-+2/o2 =+n +it+do2 edi+nte 4no2 +it+do-e2 +it+do-e2 +n?ti/o2 < 2e /one/t+n 7o- 4n t4o de 7;2ti/o 84e 7o2ee e t+70n de ,-+2/o6 + ot-o t4o 84e /ontiene e-/4-io6 84e e2t; /one/t+do + 4n +n0et-o. C4+ndo 2e int-od4/e en + in/4+do-+ 7+-+ -e+i:+- + edid+6 o2 o2 i/-oo-+ni2o2
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CACUO DE DEMANDA BIOQUIMICA DE OXIGENO UN"V
METODO
METOO E ILUCION
E ?todo de di4/i0n6 /on2i2te en de7o2it+- + 4e2t-+ en 4no2 ,-+2/o2 de 3 2o+ente /on e +4+ -e2id4+ + edi- < + di2tint+2 di4/ione2 /on +4+ de di4/i0n6 + + /4+ 2e +-e+n 4no2 e2t+ii:+nte2 /oo 2on e /o-4-o /;/i/o6 e /o-4-o ,?--i/o6 24,+to de +ne2io6 et/. + di2o4/i0n 2e e=+ + 7 *.F < 2e t+7+ 7-o/4-+ndo 84e no 84ede +i-e dent-o de ,-+2/o. Se >+/e 4n+ e2t+nd+-i:+/i0n /on e +4+ de di4/i0n 2o+ente < 2e ide e o9eno di24eto en /+d+ ,-+2/o. 4eo 2e de+ in/4+- + F C6 en + o2/4-id+d6 d4-+nte 5 d9+2. C4+ndo >+n 7+2+do o2 5 d9+2 2e =4e=e + edi+ /on/ent-+/i0n de o9eno di24eto6 /o7+-;ndoo /on e e2t;nd+- 7+-+ /+/4+- + DBO en O . o2 in/on=eniente2 de e2te ?todo 2on =+-io26
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CACUO DE DEMANDA BIOQUIMICA DE OXIGENO UN"V
METODO DE
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CACUO DE DEMANDA BIOQUIMICA DE OXIGENO UN"V
#ROCEDIMIENTO MATERIALES PIPETA
FRASCO DE O.D.
PROBETA DE 1L
FIOLA DE 1L
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CACUO DE DEMANDA BIOQUIMICA DE OXIGENO UN"V PROPIPETA MULTIP MULTIPARAMETRO ARAMETRO
REACTIVOS CLORURO DE CALCIO
SULFATO DE MAGNESIO
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CACUO DE DEMANDA BIOQUIMICA DE OXIGENO UN"V
1. Se et-+ et-+e e 1 de + 4e2t 4e2t-+ -+ < 2e /oo/+ /oo/+ en en + 7-oet+ 7-oet+..
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CACUO DE DEMANDA BIOQUIMICA DE OXIGENO UN"V
!. A-e+A-e+- /on /on + 7i7et+ =o4? =o4?t-i/+ t-i/+ 1 de /+d+ 4n+ de de o2 -e+/ti=o -e+/ti=o22 t+e2 /oo C+CF6 MSO!6 "eC3 < + 2o4/i0n 4e-. 5. t + -
A i
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CACUO DE DEMANDA BIOQUIMICA DE OXIGENO UN"V
*. en+- F O.D /on e /ontenido de + o+.
,-+2/o2 de
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CACUO DE DEMANDA BIOQUIMICA DE OXIGENO
UN"V
RESUTADOS
$7$( S&7$%( N" 0022008MINAM 0022008MINAM
7;. 1!
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CACUO DE DEMANDA BIOQUIMICA DE OXIGENO UN"V
o2 -e24t+do2 2e /o7+-+-on /on no-+ti=+2 < e2t;nd+-e2.
De/-et De/eto o S47 S47--eo eo N N F FF F LM LMIN INAM AM De/De /-et eto o S47 S47--eo eo N N 15 15F F1 15M 5MIN INAM AM
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CACUO DE DEMANDA BIOQUIMICA DE OXIGENO UN"V
OD(ini/i+) OD(5) E 7-o/ediiento 2e -e+i:0 /on e WOiet-o 7+-+ otene- e OD (5) MEDI MEDICI CION ON CON CON E OXIME XIMETR TRO O MUESTRAS DE AGUA MUESTRA 3
Di4/i0n 11
HALLANO EL @O=5> B OD ( inicial )−OD ( 5 ) Dilución 5.81 mg
/ l −3.07 mg / l
100 ml
OD(ini/i+) 5.L1 F5.!C
OD(5) 3.*
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CACUO DE DEMANDA BIOQUIMICA DE OXIGENO UN"V
Sen o2 -e24t+do2 otenido2 +/e-/+ de + edi/i0n de DBO de -io S+n J4+n de Ce--o de #+2/o6 2e /on/4+ + /+ntid+d de oieno 84e 2e 74ede en/ont-+- en e 74nto donde 2e to0 + 4e2t-+ de +4+.
BIBIOGRA"%A •
•
Cont-i4/i0n + e2t4dio de + De+nd+ Bio849i/+ de O9eno (DBO)6 UNIVERSIDAD AUTNOMA DE NUEVA EN. 1''!. AENOR C+id+d de +4+. Medio+iente Too 1. AENOR M+d-id 1''*. D9+: de S+nto2 S.A WMETODOS NORMAIYADOS #ARA E