ELECTROMETALURGIA-1 [Sólo lectura].pdf

208
D. Gead Cfee Ma

Transcript of ELECTROMETALURGIA-1 [Sólo lectura].pdf

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    D. Gead Cfee Ma

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    Idcc

    Tedca EeccaCca Eec caPce Ee

    Pce FadEec bec de CbeEec efac de Cbe

    Nea Tedeca

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    .

    Sg XVIII : Nace de a eecca(a fe) Gaa Va

    Sg XIX : Seaac ee Eecca Igea Aca

    : Seaac ee Ica Eecdca: Pea aee aa Eecefac de Meae

    S : P P E

    C (1915)

    T EP (C)

    : Pea Refea Eecca a Nddece Affee

    DaFaadaDae OadHeKacNeGbbDe

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    Paa de eec ac de 1850.Fee de de:

    ageda de 8 Wc

    Ceda

    ea Eg eaee de

    1860

    Dcde ceda

    eecd eceda

    ea Eg e

    aee de1860

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    :

    C .

    8 A1=10D

    D A

    10 1012 4 =

    De de a ea 109 c De de 1011c

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    Paca Sb Maa, g Caga Caga, C Ubcac

    P , H+ 1,6729 1027 +1 +1,601864 1019 N

    N 1,6751 1027 0 0 N

    E 9,1085 10 31 1 1,601864 1019 C

    Eeccdad

    E f de caga ecca a a de cdc ce a ceeecca. E c aec, e ag a f de aga e cc

    dc (caea de aga).

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    C :

    ,

    .

    . C .

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    A (A): , , . ( C/).

    Cb (C):

    . N , 1,610 19

    .

    V (V): , , . ( /A).

    O (): (0 C) 14,4521 , 106,3 , (/A).

    W (W):, . ( /)

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    " () ()

    ".

    :

    ( )AEI= ( )IE = ab,

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    (3), :

    1. (, , , .)

    2. (, , , .)

    3. (, , ).

    C CcUa cdc de ccc eda deeada a

    eae ccaee a eeca de c de cc

    =0

    EI

    EI= E a cdc deccc a cee

    ede a afaee a.

    S R=0 , ece

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    Ga Ld Sd

    SLIDO ;

    LQUIDO , ;

    GAS , .

    E . S , , , ,

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    D / D

    Dc

    ca (ea)

    cdce a eeccdad

    Dc+Dcac

    e (caga + )

    cdce a eeccdad

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    : , , ( ).

    : , , , ,

    :

    1. C: ,

    ,,,, .2. A: ,

    , ; ,,

    .

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    : C / ( , , , , .) . ( /)

    ,

    Eecd Ceda Eec(Pce Fad) Ceda Gaca(Pce Eae)

    C () (+) (+) ()

    Padade de eecd aa ce deeec ceda gaca

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    187919101913

    19241947

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    ,

    ()

    (). ,

    (

    ).

    :,

    E = M E = M . ,

    :

    = MM = 2M2 =0,

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    :

    .

    ( ). ,

    , ( ) .

    .

    (.

    ).

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    += + )(

    M

    EE

    MM

    + +

    +

    +

    +

    +

    E= , V

    E0 = ,Vaaaa(M

    +) = (+)

    aaaa(M0) = ()

    )( M

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    (a) E f de eece a dede e eecd de dge (d) a

    ec (cd) e e ca de cbe.(b) E cab, e e ca de c e f e aca e eecd dedge (cd). E dca e e c ee a edeca a aaa ead dad e e cbe.

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    ( ) ( ) FF + 222 +1,690

    ( ) ( ) AA 33 + + + 1,498

    ( ) ( ) PP + + 22 + 1,200

    ( ) ( ) ( ) OHHO 22 244 ++ + + 1,229 Nbe

    ( ) ( ) HH ++ + 22

    2 22 + 0,9194

    ( ) ( ) HH 22 + + + 0,8537

    ( ) ( ) AA + + + 0,799

    ( ) ( ) HH 2222 +

    + + 0,788

    ( ) ( ) CC 22 + + + 0,341

    ( ) HH 21+ 0,000 Refeeca

    Seeacc Pecae de dedcc E aa

    ce 1 Na a 25 C (V).

    ( ) ( ) PP 22 + + 0,126

    ( ) ( ) 22 + + 0,136

    ( ) ( ) NN 22 + + 0,250

    ( ) ( ) FF 22 + + 0,440 Ac

    ( ) ( ) 22 + + 0,762

    ( ) ( ) 22 + + 0,628

    ( ) ( ) AA 33

    + +

    1,662( ) ( ) MM 2

    2 + + 2,363

    ( ) ( ) LL + + 3,045

    Eecd Eda de Hdge (eda)eacad c e eecd de

    cbefa de cbe 1M (deeca).

    Td ecae e efee a E.N.H.La eece dea 1 M

    La eece c be aaeL gae e ba e de 1 afeaCae ea eea ce ecca

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    H()

    P 2 ,

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    S ():

    H ( ): ,

    + +++ HBOHA 2Reacc geea de a eece dada A a a eece edcda B

    C2+ + 2 C0

    V ( ): H+ OH, HCCO3 + 2 H+ C2+ + CO2+ H2O

    D ( ): , HC2O + 2H+ + 2 C0 + H2O

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    S ():

    H ( ): ,

    C2+ + 2 C0

    V ( ): H+ OH, H

    +=

    +

    )(

    )( 22

    34,0

    C

    C

    F

    E )( 203,034,0 ++= C E

    CO + 2H+ C2+ + H2O

    D ( ): ,

    HC2O + 2H+ + 2 2C0 + H2O

    +=

    +

    2

    )(

    2

    )()(

    0

    2

    2

    47,0

    C

    HOC

    F

    E HE 06,047,0 =

    6,735,363.1

    420.10

    35,363.1

    0

    =

    =

    = G

    K

    =

    +

    +

    2

    )()(

    )(

    6,7

    2

    HCO

    C

    8,3=H

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    P CH2O.Eece ()

    H O2 = 56.690 /

    H+ = 0 /

    OH

    = 37.600 /

    C = 0 /

    C + = 12.000 /

    C2 +

    = 15.530 /

    C O2 = 35.000 /

    CO = 30.400 /

    C OH = 85.300 /

    1. = 25 C2. A = 13. P = 1 .4. A = 15. N :

    ( )C C OH CO H+ ,

    2 2

    2

    22CO =

    43.500 /

    CO H2 = 61.420 /

    C2+

    COG CO22

    O CC2O

    C

    Cae Mca ea Ae H

    D H

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    E. (2.73): OHCHOC 22 222 +++ +

    HE = 06,047,07 (ENH)

    E. (2.76): OHOCHCO 22222 +++ +

    HE = 06,067,010 (ENH)

    E. (2.79): 22 CC + + 34,013=E (ENH)

    E. (2.81): OHCHCO 222 224 +++

    +

    HE = 12,051,115 (ENH)E. (2.85): ++ +++ HOCOHC 222 22

    2

    Dagaa CH2O

    HE += 06,020,019 (ENH)

    E. (2.86): ++ ++ HCOOHC 222

    9,3=H

    E. (2.89): OHOCHCO 2222 3262 +++

    +

    HE = 18,056,223 (ENH)

    E. (2.91): + ++ HCOOHCO 2222

    H = 16

    I. H H+ + 12 2 ( )ENHE 0,0 =

    ;06,0 HE = H 12 =

    II. OHHO 2221 22 ++ + ( )ENHE 23,1=

    HE = 06,023,1 ; O 12 =

    Dagaa de H2O

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    Dagaa de ea C 2

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    (>50% ), .

    ,

    . , .

    , , .

    A ea de ea ace dagaa de TeH ee a cca de ga ada a a a de e eacce

    eca de dc / dec de eae

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    C F H O 2

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    F

    IPMM

    =

    E e de dc de a eec edecaee ca a a cadad de cee e

    cca a ceda eecca

    M = M ()PM = P M (/) = N , (/)I = I (A) = T ()F = C F (96500 C/)

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    O R+

    N

    A

    N

    A

    O

    == R11

    ONF = I

    =

    N

    AF

    AA

    I O

    =

    == 11

    F = (A/2); (A/2); (A/2);

    (C/2) ...

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    CONTROLES CINETICOS

    Meca de afeeca

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    D ,

    CONTROLES CINTICOS

    CDJ =)(

    Df:

    =

    E

    FDCJ

    22

    )(Mgac:

    Tafeecade Caga:

    =

    0

    F

    F

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    E = (V)E = (V)E=0 = , . P (V) = (A/2)

    = = =E E 0

    Sbeeca

    Paac

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    CC

    220 + +

    C Tafeeca de

    Caga (CTC)

    a> c > 0 ce adc

    a< c < 0 ce cadc

    a= c = 0 eb edc

    E e eb TERMODINMICO a= c = 0

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    =

    0

    F

    F

    = Dedad de cee (A/2)0 = Dedad de cee de ecab (A/2), = Cefcee de afeeca de caga adc cadc = Sbe eca (V) = Cae de gae (8.314 J/ K) = Teeaa (K) = Caga afeda (e/)

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    =

    0

    F

    F

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    :

    =

    DENSIDAD DE CORRIENTE DEINTERCAMBIO

    OO ++ eeRedRed

    =

    F

    = 0

    =

    EFF

    0

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    ) A ( )

    >0

    V 100 V

    = F

    C

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    DENSIDAD DE CORRIENTE DEINTERCAMBIO: Seg Tafe

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    ) A ( ) ( 1 + )

    SOLUCIN APROIMADA DE LAECUACIN DE BUTLER VOLMER

    ( ) RTF+= 0

    <

    F

    0

    =

    1

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    Mea 0 (A/2)

    P 4,0101R 3,2101

    P 5,0100 1

    Vae de cee de ecab 0aa e ea:22

    1 HH ++

    SIGNIFICADO DE LA DENSIDAD DECORRIENTE DE INTERCAMBIO

    Ca de eacceeecca

    , N 6,3102A 2,0102F 1,6102A 4,0103C 4,0103W 4,0103

    T 1,310

    3

    C 4,0104S 6,3106Z 3,2107

    e ed H2SO41M a 25 C, aa dfeeeba ec

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    REACCIONES MULTIPASO EN SISTEMASELECTROQUMICOS

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    acda cea de a cedad de eca.

    Ee de eacc MULTIPASO:

    B + e C (Pa 2). .. .

    D + e E (Pa )(E +e F) (d e ee ece)F + e G (Pa ). .Y + e Z (Pa )

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    COEFICIENTE DE TRANSFERENCIA DE

    CARGA ANDICO

    =

    = = N

    () = N

    = F ; = 1 ( ) = 0 ( ) = F =0,5

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    COEFICIENTE DE TRANSFERENCIA DE

    CARGA CATDICO

    +=

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    S :

    =+

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    ,

    : =1 =1

    COEFICIENTE DE TRANSFERENCIA

    DE CARGA

    = 1 0,5= 0,5

    + = 1

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    CONTROL

    POR

    DE

    MASA (CTM)

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    CDJ =)(

    =

    C = , /3

    = , D = , 2/

    = ,

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    CC

    C= C

    ()C= C

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    LEY DE FICK EN ELECTRO QUMICA

    ( )

    D

    CCDF

    =

    D = D , A/2

    = N F = C F, 96.500 C/D = C , 2/

    Cb = C , /3Ce = C , /3

    = E () 0,1 (, 25C)

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    DENSIDAD DE CORRIENTE LMITE

    C= 0 D (

    D)

    L

    DF =

    D=

    =

    S,

    L = Dedad de cee e (A/ 2)

    = Cefcee de afeeca de aa (/)

    S (C) , L .

    S ,

    (), L .

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    S :C O + = R (), BV.

    CONTROL MIXTO: TC+TM

    TR

    F

    TR

    F=

    0

    0 = D O R

    c = S

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    S

    , . E ,

    :

    CONTROL MIXTO

    = C Cb = C C = C

    C

    C=

    R

    R+

    O

    +

    0

    0

    O CC

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    E , :

    TR

    F

    C

    TR

    F

    C

    =

    O

    R

    R0

    O

    CC

    CONTROL MIXTO

    E ,

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    D ( F), :

    CONTROL MIXTO

    L : C a : c :

    TR

    TR

    = L

    L

    L

    L0

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    D , ( ).E .

    CONTROL MIXTO

    TR FTR F

    +1

    TR

    F

    TR

    F

    =

    L

    0

    L

    0

    0

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    L (CM) :

    CCCMCM

    111+=

    Cca eecca ba c .

    R F CTM .

    BV CTC .

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    Cca adca cadca ba c

    P ,

    , :

    0

    L

    =

    )(0

    0

    F

    L

    L

    +=

    0

    L+

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    P (. )

    22

    2

    0'

    20

    '

    FF

    F

    C

    ++

    +

    +

    =

    Cca c cceace eca aa acaeecac.

    P (. )

    )(22

    2

    0'

    20'

    FF

    F

    FF

    F

    +

    =

    ++

    +

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    Paa eec ccead

    +

    =++

    ++

    +

    00

    22

    22

    2

    )( 00'

    20

    '

    CC

    CC

    CC

    C

    EE

    FF

    F

    ++

    =

    ++

    ++

    ++

    +

    22

    33

    22

    2

    )( 00'

    20

    '

    FF

    FF

    FF

    F

    EE

    FF

    F

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    CDCJ =

    : e e ca de ecdad de fdC : e a cceac de a eece

    C

    C

    =

    2

    2

    D

    +

    =

    2

    2

    ++

    =

    +

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    Cafcac de a deedeca de Le fc de a edade de fd de eac

    Rge DfaCec

    E : R=

    )

    S = N SRe = N RSc = N S

    33,08,0R023,0 =

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    Sed Red Scd33,08,0

    023,0

    =

    D

    D

    = C (/) = L ( ) ()

    = V (/) = D ( / 3) = V ( / )

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    S :

    L F =

    S :

    33,08,0

    023,0

    =

    D

    DCF L

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    P L

    :

    33,08,03/28,08,01

    C1222122

    =DC L

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    D (),

    1/62/1

    D3= 1/3

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    C M

    =

    E

    FDCJ

    22)(

    Ca de cceac

    Ca ecc

    Ca de ecdad

    C M

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    C MS

    Fea de Agegac

    Dcac de ae

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    La ecdad de ae de aca eecada cabaaa acaa a cae, e ga a a ecdad deeec. De de ee ed (e ede e c) e

    ede bea ge eaca.

    C E

    E

    C ee a caa de df e a efce de eecd, eee de ea caa eaece cae cad e e e eadeaca. La eece eecaca eada aa ea caa cecc, e ae a a de ea e df,

    ea e a gac afeca a a adad de a c

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    La ecdad de a eacc eecdca , cgee, aedad de a cee e cca e cc ee ecada a cadad de aca eecaca be aefce de eecd. E a dade de eecd, aeece eecaca e aada df gac, a a cee a,, e a a de a

    C D M

    MD +=

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    Ie ec ded Ie ec acead

    C D M

    Decc de a cee e Df Mgac

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    A ea e eeca de eec e e aa cbc de ae de aca eecaca gac, c e e fca e aaeaec de ea eecc, ade, efaca a cdcdad de a dc a d a

    C M

    E S

    eeca de a ca eecca

    + += 2442 2 OHOH+ += 442 HOHOH

    + += 244 OHHO

    K1

    K2

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    C

    Reeca Cdcaca 1A

    =

    G=

    G

    ==

    =

    Cdcdad

    C M

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    C M

    Kac de: CA 0

    =

    : e a

    C : e a

    A : e a a deea

    C M

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    Ca 0+ A 0

    Kac :

    000 ++ +=

    C M

    H+

    N+K+

    Z2+C2+

    349,650,173,5

    105,654,0

    OH

    CB

    SO42

    NO3

    199,176,4

    78,1

    160,071,4

    C

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    C

    aa d de aga

    CINTICA POR

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    CINTICA POR

    CONTROL MIXTOL (CM) :

    111

    +=

    R F CTM .

    BV CTC .

    CCCMCM

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    Eee cca adca cadca ba c

    P ,

    , :

    0

    L

    =

    )(0

    0

    F

    L

    L

    +=

    0

    L+

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    REPRESENTACIONES

    GRFICAS

    DE LA CINTICA

    ELECTRO QUMICA

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    S : , , , , .

    L , EN LAINDUSTRIA DEL COBRE INTENSIOSTTICOS

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    B

    S ( : )

    E (WE)

    C (CE)E (RE)

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    E ( )

    ( )

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    ( + )

    CURVA DE POLARIZACIN

    S

    CC 220 + +

    E

    ( ) S ( ) /

    ( E)02 2 CC ++

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    UTILIZANDO UN CUADRANTE

    POSITIVO

    CC 220 + +02 2 CC ++

    S E

    E

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    LINEALIZANDO LA CURVA CINTICA

    S

    CC 220 + +02 2 CC ++

    E

    E

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    DIAGRAMA DE EVANS

    S E

    E T:

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    E CONTROL MIXTO eeea a acee CTC CTM

    D d E

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    Dagaa de Ea aa a eaccecae de EW de Cbe

    02 / CC +

    22 / OOH

    E CE , OHE 2, AE

    E

    C ,0

    OH 20,

    D d E

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    Dagaa de Ea aa a eaccecae de ER de Cbe

    PASIVACIN

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    E a dc bca de a cee de dac de eecd caada a fac de a caa efca dea de dc de eacc (c). Fe

    C

    N

    T

    Pb

    PASIVACIN

    Ace Idabe:

    Aec (Ba)

    A

    Meae ec

    Ace dabe

    304 18C 8N

    316 20C 12N

    Sf de C

    S eae aca acae eea ag gadde adad

    ELECTROCATLISIS

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    Aceeac de a eacc eec ca debda a acc cdc de eecd. N e aeca e ee gfcgeeTab e a dc de eega eceaa aa ea a caba eacc eec ca a ecdad cae. Se bea e egfc gee

    0

    /2

    CC +

    22 / OOH )(P

    22 / OOH )( 2O

    22 / OOH )( 2OI

    )(PO

    CE , 4,AE4E 2,AE

    2E

    3,AE

    3E1,AE

    22

    1E

    OHE 2,

    0

    POTENCIAL MIXTO

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    Y ,

    Sea eeS :

    111 R EO +

    222 R EO +

    , :

    Peca M (EM)

    NO ES eca deeb edc, ES

    CINTICO!

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    P , :

    = S, A= A

    1

    ==

    M

    TIPOS DE POTENCIAL MIXTO

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    )

    )

    )

    TIPOS DE POTENCIAL MIXTO

    )

    )

    )

    ) .......

    Ceeac de C Dagaa de Ea

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    Ceeac de C. Dagaa de Eafcad

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    La cae eace e a eeceaga de cbe :

    OPERACIONES ELECTRO METALURGICAS

    ec e ac a a, ce a

    Eec bec (fada, ceda)

    Ceeac (eea, a)

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    1. :M , ,G, D .

    2. : ;C : , ; : ,, .

    . , C , E , H , , C,

    , A , .

    4. :P , C ,

    , C.

    5. :, P, H, , , C : ,

    Pcae ae de c e ce

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    eecc

    Pdcc aa, /:

    Rede efceca de Cee, %: 100F

    IM

    M=

    100DM

    =

    M

    Rede ec,%:

    C eecfc de eega, K/:

    Rede eegc, %:

    000.1

    M

    I=

    D

    I

    E

    E

    E

    ===

    Pcae da de eac e ce eecc

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    Cee Iea (Aee) : Te de ceda (V) : Te (a, da) : Maa deada (eada, Kg) : Ve de eec (3) :

    Pcae da de eac e ce eecc

    e ce a :Cceac de eec (g /L) : CSefce ea eecdca (2) : A

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    L ER EO , , . H +1 ( ). P ?

    V A.: 6 10 3

    C : 30 60 ( = + 1) : 1 1

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    E + .

    , .

    E 2050 L/ ER C 200450 L/ EO C.

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    , .

    D (I) ( )

    (). E I .

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    L :

    . 2. L 3. L 4. L

    C TC C TM.5. L

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    S :

    P: B , ., ,

    . S: D , TC.

    T: R , TM.

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    S :

    aa

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    Face e afeca a dbc deceeDbc aa (Sbeecae ae): Lageea a cdcdad

    Dbc ecdaa (Cbeeca de acac

    ae): Ceca de eecd

    La geea afeca a dbcaa de cee. Sbe d e

    ea cecaa a bde de eecdDbc ecaa (Cbeeca de acac de af.de aa ae): Cca gadee de cceac.

    ede abe bea de fdad.Ua aa cdcdad e e eec

    faece a geedad e adbc ecdaa de cee.

    L ad gc ede ea

    a fdad.Pede c efec (e.Fac de dge, e eeeagegad de agee de ad aa

    faece e deede de abba)

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    L :

    ) P (. 99,99% C

    )) P

    (. ,, )

    ) P (. )

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    :

    A

    :

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    Efec e e de cadc

    S

    S

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    FI : F

    BR: B

    Tga de de cadc

    FT : F

    UD: U

    W

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    Cafcac de de e fc de:

    +MC / ( )L / a edad de bc,

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    C :

    ?

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    E , :

    U ()

    , ( )

    U ( )

    ELECTRO OBTENCIN (EO) DE COBRE

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    L EO (EW = ) / :

    ELECTRO OBTENCIN (EO) DE COBRE

    Lac Eacc ee (SX) Eec bec

    L C , SX .E C 99,99 %

    LAY OUT TPICO DE PLANTA DE

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    SXEO

    OU CO NELECTRO OBTENCIN (EO) DE COBRE

    a fa

    ELECTRO OBTENCIN (EO) DE COBRE

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    C 316, 316L, 317L 3 .

    P ( > 99%)CS S () 69 .

    R ()02

    2 CC + +

    R ( O2)

    + ++ HOOH 22221

    2

    EHOCOHC 89,02 )()(2210

    )()(22

    )( =+++ ++

    ReaccGba

    ELECTRO OBTENCIN (EO EW) DE COBRE

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    E: CSO4 H2SO440 /L C, 180 /L

    I: F (1 ), M, C

    ELECTRO OBTENCIN (EO, EW) DE COBRE

    A: CSO4,

    N (O2+ )

    A

    2,2

    /350250 2

    =

    =

    ELECTRO OBTENCIN (EO, EW) DE COBRE:E

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    E A: , C(0,06

    0,10%),(6,014,0%),(0,060,10%),

    .

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    FLOW SHEET ELECTRO OBTENCIN EO DE COBRE

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    Dagaa de Ea aa EO de C:Reacce cae ecdaa

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    Reacce cae ecdaa

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    Te de ceda e EO de C

    U= E+ + + IR + PS

    R = (1/X )(/A)

    E = . ., V= , V

    I = , AR = (, ),

    PS= , , ., VX= , 1 1

    = , , A = , , 2

    Te de ceda e EO de C

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    Te de ceda e EO de C

    E = E+ + JR = IR + PS

    U= E + JR

    U: T

    PROBLEMAS OPERACIONALES EN EO DE C

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    PROBLEMAS OPERACIONALES EN EO DE C

    Peeca de Iea e e eec: Fe, M, CAdAae de gcNeba cdaC de cd eaeeC de d de Pb

    PROBLEMAS OPERACIONALES EN EO DE C

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    PROBLEMAS OPERACIONALES EN EO DE C

    Peeca de Fe e e eecRedcc Fe+3 + e Fe+2 edce a efceca de cee cadca aa ae de a cee deada a dea cbe.

    La efceca de cee e: CC

    ==

    FC

    De a eaa: 1 g/L de Fe e eec de EO (0,2 g/L de fe 0,8g/L de fc), e dce a efceca de cee cadca de 95%.

    Cceace ae de Fe dce baa daca e a

    efceca.++ > 32 FF DD ++ < 32 FF CC

    Sc: Ica e de edcc

    PROBLEMAS OPERACIONALES EN EO DE C

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    E M M+2 EO C.

    S (MO4)

    (MO2).

    Peeca de M e e eec

    E ( E ). L , .

    E M , ""

    , , .

    Sc: M (10 30 ).

    PROBLEMAS OPERACIONALES EN EO DE C

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    C de cd eaee

    L cd eaee de ace dabe (316, 316L,317L) aacad ae, e. F, C, ec .

    E efec e cada (g) de cd e eg caaadeeca de cd de cbe a cd eaee (dc

    a ae ce ceca e a e a e ec a e , ac e dfc e deege , e cae, dced a faca dea a de ace.

    Sc: aee a cceac de c ba20 e e eec, (ea eaa de aad e SX)

    P e ce e cd?

    PROBLEMAS OPERACIONALES EN EO DE C

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    1000

    1100

    1200

    )

    Efec de a cceac de C

    600

    700

    800

    0 20 40 60 80

    ()

    (/

    P P A I 316L 165 /LH2O4 40 /LC2+, 40 C

    PROBLEMAS OPERACIONALES EN EO DE C

    f SO

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    1040

    1060

    1080

    /)

    Efec de a cceac de H2SO4

    1000

    150 160 170 180 190

    (/)

    (

    P P A I 316L 10 C 40 /L C2+, 40 C.

    PROBLEMAS OPERACIONALES EN EO DE C

    Ad

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    Ad

    L EO C CSO4 ( : , , .).

    E 100 V.

    L ( ).

    P: . A ( )

    ( ).

    Sc: .

    ELECTRO ADSORCIN DEL ADITIVO GUAR EN EL CTODOELECTRO ADSORCIN DEL ADITIVO GUAR EN EL CTODO

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    Aga

    Nea aga

    +

    +

    Cd de cbe

    +

    +

    +

    +

    PROBLEMAS OPERACIONALES EN EO DE C

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    PROBLEMAS OPERACIONALES EN EO DE C

    Dede a eac de SX ee abe aae de gc aeec de EO. Ee gc dce bea de cadad

    Aae de gc

    Sc: a) a "ceda caege" (de acfc) eecbe e f de eec eee de SX ccea egc, ad e eec.

    b) f aa eaa e aae.c) ceda de fac.d) Pce de dac

    PROBLEMAS OPERACIONALES EN EO DE C

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    PROBLEMAS OPERACIONALES EN EO DE C

    Neba cda

    E bbe de ge, eee e de a eaccadca ca e d de , aaa /eca ga de eec aca a afea. Ea gacee c eecca dde e ee cd fcccead, cde e a deada "ebacda" (acd ).

    La eba cda dce caee beaea e eade c de e.

    PROBLEMAS OPERACIONALES EN EO DE C

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    PROBLEMAS OPERACIONALES EN EO DE C

    Neba cda

    Sce:U de caa de gaeRecb a ceda (e. c a, ce c)

    Ua ce gc eac e afeca aedade fca de a efa eecae (e. FC1100,aa de a), e abe be e efec de e cegc be a eec caac de cbe.

    U de eade cea aeaeU de caaa de eacc caada

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    COMPORTAMIENTO ELECTROQUMICO DEALEACIN PbCaS

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    Eb E (VENH)+ PO 24

    + 24 OP 0,356

    + ++ HPOPO 42 4 OHOP 2242 ++

    0,113

    +

    Vagaa AeacC

    2 ,

    + ++ HPO 222 OHPO 2+ 1,107

    + ++ HPO 442 OHP 22 + 1,355

    + ++ HOPO 462 242 24 3 HPOPO + 1,468

    + +++ OHPO 24 242 OHPO 24 2+ 1,687

    eacac

    Cba: ESTRUCTURA SUPERFICIAL DELNODO

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    800X

    2000X

    Mcgafa de aeac de, aada a 2.000VECSc 120 de cba.

    Reeeac eeca de a caade c a dfeee ee

    PROBLEMAS OPERACIONALES EN EO DE C

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    E d de PbCaS ea e e ag aa, PbO2,(egd adcaee) dae a eac de EO. E

    C de d de Pb

    gfca e ecdad de c e eea.

    A dce ece de cee e a aa e abead c de d c a a a a,acaada de caac de cd c .

    PROBLEMAS OPERACIONALES EN EO DE C

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    Caa: a ee a cee, e d dea de eaegd adcaee be efce e acaeeaee (eca ) a eacce:

    +=

    +

    C de d de Pb

    PbO2(caa eca) + 4 H+ + SO4

    = + 2 e PbSO4+ 2 H2O

    aba eacce dce fa (faac).

    Ea eacc e ag a ee a baea cd(a)cccada (ab cecad c cabe).

    PROBLEMAS OPERACIONALES EN EO DE C

    Aaga baea Pb cd

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    Aaga baea Pbcd

    cccada

    PROBLEMAS OPERACIONALES EN EO DE C

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    C de d de Pb

    A eada a de cee a a ceda, de deegd e ce a a ecdad ce( aa)aa e e eaaa. E ee ed e dce a

    c a ac e e ec c , e eg caacaac de cd.

    Sc: a ecfcade de ead daeece de cee, de aea e d e

    ee adcaee egd.

    PROBLEMAS OPERACIONALES EN EO DE C

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    C de d de Pb

    C e e a de dedad de cee de ceda e a eaca dae ece de cee aa ege d? Ha e bdade:

    Tea de "aee ac": .

    Pdce de d: 3 10 A/2.

    Peba e aga aa: 70 A/2

    ( , ).

    ELECTRO REFINACIN (ER) DECOBRE

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    La ER de cbe e a a eaa e a ececa acadaa eae fad:

    Eacc Ma Cacad Meda

    COBRE

    Fac F Ce PefacEec efac

    E ER, d de cbe (99,5 %) e dee e

    eec cd e dea (99,99 %) be cd.

    Eece ce acac de cee.

    F ee de ER de Cbe

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    ELECTRO REFINACIN (ER) DE C

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    ( )

    Cd: C d: . ( )

    R

    R ( )P

    R

    + + CC 220

    .

    0%99,99

    2 2 CC + +

    0%99,99

    0. CC

    MOLDEO DE NODOS

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    ESTRUCTURA DE SOLIDIFICACIN DENODOS

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    1 2 3

    1 2 3

    Z 1 A E

    Z 2 C E

    Z 3 M C

    CTODOS PERMANENTES DE ACEROINOXIDABLE

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    CTODOS DE HOJAS MADRES O INICIALESDE COBRE

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    ELECTRO REFINACIN (ER) DE COBRE

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    E: CSO4 H2SO440 C, 180 , 60 C

    I : A S B A .A: , ,

    B : C, A, A, P, S,T, N, .

    A

    5,03,0/350260 2

    ==

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    +

    BARRO ANDICO2,0 g/

    Ag, A, Se, A, Sb

    40 45 g C++

    CaTeaAe

    Va

    E. ecca

    AgAg

    SbSb

    BB

    AA

    ER de C, Dagaa de Ea aca

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    Te de ceda e ER de C

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    Te de ceda e ER de C

    U, ER= E+ + +IR+PS

    0

    = beeca, VR = eeca ecca,

    I = edad de cee, AX= cdcdad, 1 1

    dac= daca dcd, A = ea efca de cd, 2

    Cdcdad de eec de ER2

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    = D

    F 22

    X= cdcdad ecca, 1 1

    c = cceac, /L = e de caga de

    = a ,

    COMPOSICIN DE NODO Y CTODO EN ER

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    Eee Ad Ceca

    (%)

    Cd Ceca Gad A

    (%)

    C

    O

    N

    Pb

    99,499,80,10,300,0500,01

    99,999( )

    0,00070,0005

    ASb

    Se

    Fe

    Te

    S

    B

    Ag

    A

    ,00,0300,02

    0,000,0300.001

    0.0010.00300,01

    0,0700.005

    ,0,00020,00010,00020,0006 0,00010,00040,0007 0,00030,00050.001

    00.00001

    ELECTRO REFINACIN DE CU

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    A a cae

    Ccc

    Pcae de eecd

    Ad

    Lea de cac

    Cceac de cd dec deeada

    Ac ba e e

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    A

    E S2O3 , .

    S:P ()

    NOH 60C ( )

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    C

    H , .

    C: C .

    L ( ).

    E

    . E .

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    C

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    C

    S: ("" ).

    M .

    E .

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    P

    L . S , , .

    S: ;

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    A

    A , ( )

    .

    S:M

    .

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    L

    S () (. ), , .

    S:L .

    O: .P:

    .

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    E(VENH)Z Z + P 0,76Fe F + P 0,44N N + P 0,25S H2SO3 C B F 0,14Pb PSO4 P B 0,12

    +

    , ,S + B FB B + B F +0,20A AO4

    P E +0,30A2O5 B2O3 B F

    SAO4S C2S P Se C2S I, B

    A2STe C2T I, B

    A2TAg A2S, A2T, AC, A P B +0,80A P B +1,50

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    La ea e ecea e d geeaee a a fa dece da c fae eaada. L eee e ceea ea e ede cafca e:

    , , , , .

    E (, C, , , ).

    (A, , B),cdeada a a ea ca aa e ce,

    feca e a caaceca de cbe cadc, ade acedad e ee e de caa

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    A, A, B , . , " ",

    ASO

    . A , ("") . / B , A, B .

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    )()(4 AIIIAO CCK =

    )()(4 AIIIBBAO CCK =

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    A

    :

    [ ]A

    .C B , :

    [ ]S

    [ ][ ] [ ]

    2BS

    A >+

    d Cd Eec Saac

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    C+2

    Sb100% 0,1%

    [ 0,3 g ]

    [ 0,7 g ]

    FIec. Ca

    Sdecda

    65%

    Iefae

    e e aSc

    Caa

    BbaDc

    Sb

    Ba 15%

    P IP I

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    E ER (

    ) :

    1) L (L) . L.

    C. .

    3) L A/S , . A A/S, .

    ( A/S), .

    PROCESAMIENTO DE BARROS ANDICOS

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    PROCESAMIENTO DE BARROS ANDICOS

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    PROCESAMIENTO DE BARROS ANDICOS

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    .

    /

    99,99 %

    99,99 %

    .

    TABLA COMPARATIVA

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    B ()N

    A

    ,E , W/ 400450 18002000P , 60160 7090C , L/ 20 () 200450

    ()

    C, 810 47D, 1620 ?

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    T

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    ER EO: B

    ER EO: B (2/)

    EO: (2.000 W/)

    ER EO: P ( A SO; C2)

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    N

    C

    R M

    R

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    K (1982) 12 EO ER :

    C . C C (. C)

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    L H2O 1/2O2+ 2H+ + 2 (E0 = 1,23 VENH) (>0,6 V).

    R H(), C () (), :

    F2+ F 3+ + E0 = 0,77 VENH

    E , .

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    L

    C 2+ + 2 C0 (: )

    E ?

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    R :

    C + + C0 E0=0,52 VENH (:

    )

    C , ,

    H2SO4.

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    P: .

    E , C+

    C ( )

    A ()

    A/ ( )

    U ,

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    ,

    E D R(EDR).

    ) : . ..:

    ) : (), .

    ) : , .

    3,3

    Cab de eacc adca.

    2,3

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    H2O1/2O2+ H+ +2e

    2

    Z+2 + 2eZ0Fe2+ Fe3+ +e

    Z2+H+

    H+Pb Fe2+

    H+

    PIE O ++++= 2 P.I.I.I)/F(FE 23 ++++++= ++

    S EDR

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    Mebaaaca

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    PIE ++++=

    ++= IIII

    H ,

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    EMEW (EE) A C (M, ENAMI).

    E ( ) ( ) IO2.

    E

    , 500 1.000 A/2.

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    GRACIAS Ha e e

    e e ecea e a e

    bea aba

    Ha e e

    a e e e eceaaba aa a

    dece , ae baae e e e e