After Lime Visit

8/17/2019 After Lime Visit

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Lime quantity required in R.K. for Liquid spray and sol

Solid Wastes (fluorinated waste! "#$ Kg%hr

&luorine content in Waste( '$ of total fluorinated waste

) * &

)ydrogen &luoride formed during reaction

)ydrogen required for formation of )& +

Reaction

2HF

"$

CASE :1 Consider 100 % Netralization Required in Scrubber ,"-."

Consider 100 % Netralization Required ,"-."

PERCENTAE !F CA"C#$ S!"$T#!N T! &E A'E '

W/0ER REQ12RE3 &4R L25E S4L10246

(ater Solution Ta)en #n R*C Tan)

Salt to be re+o,ed -er .ours *

(ater to be circulated continiousl/ circualated R'F

T!TA" SA"T T! &E RE!E' #N PERCENTAE

CASE :2 Consider "iquid aste 10 % Netralization Required in R*3* ,".-"

PERCENTAE !F CA"C#$ S!"$T#!N T! &E A'E


Reaction

2HF

"$

,'' 7-

2HF 6Ca7!H82 →CaF2 + 2H2O

2HF 6Ca! →CaF2 + 2H2O


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Lime quantity required for )alogen f

Solid Wastes (fluorinated waste! "#$ Kg%hr

Liquid Wastes (fluorinated waste! #"$ Kg%hr

8hloride content in Waste( ,$ of total waste

) * 8l

)ydrogen 8hloride formed during reaction

)ydrogen required for formation of )& +

Reaction

2HCl

#'

CASE :9 Consider 100 % Netralization Required in Scrubber ,".",

Consider 100 % Netralization Required ,".",




Salt to be re+o,ed -er .ours *



S$AR




Salt to be re+o,ed -er .ours

2HCl 6Ca7!H82 →CaCl + 2H2O


3/34



S$AR

1 0otal Lime 8onsumption in R.K. &or Solution

2 0otal Lime 8onsumption in R.K. 8a4 powder

2 0otal Lime in Quiench section for )ydro flouric acid

2 0otal Lime in Quiench section for )ydrochloric acid

4 Total "i+e solution in S/ste+

Total in "i+e s/ste+

Ca!

79

"i+e Required as Ca! 4;<

Total Ca! required ;94

C!NS#'ER

110% ;5=Ca7!H82

,

9=0

2

9=0

4

'9=0

;

Ca! + 2H2O → Ca(OH)2

2f lime is made of Solution required '7$$ Ltrcapacity of water

2f lime is made of ' Solution required ,799# Ltrcapacity of water

2f lime is made of 7 Solution required :"$$ Ltrcapacity of water


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"

9=0

<

9=0

=

9=0

>

9=0

5

9=0

10

a?i+u+ 'issol,in@ Ca-acit/ is 4 % Considerin@So+e .i@. Te+e-rature


5/34

id charging and Lime Solution in Evaporative Quencher .

"#$

,", Kg%hr

)&

,"-." Kg%hr =9*21

#." Kg%hr

Ca7!H82 CaF2 2H2O Solid For+ed

#" #- '9

#".7- -: -:."

#".7- -: ,'" -:."

100

:,7' '.,9

20000 ,."7

-:."

7$$$

7.#:

"$.$$ : ,' -.:"

100

$$$

Ca! CaF2 2H2O

79 => 1>

,-# $, 9$ 9$ 9$ "-


6/34

420*;5 421

rmed as )8l in Evaporative Quencher .

"#$

#"$

,, Kg%hr

)8l

,".", Kg%hr


7/34

7$$$

:.7#

"$.$$ )@

,-#.$, )@

'$$ )@ 2=9*;>

,'$ )@ 12


8/34

=>44*44444444

100

;=1925

100

;>=;

100

;222*22222222

100

9=00

100


9/34

REAR3

"#E A''E' C!NS#'ERE' #S 400 )@

T'S F!RE' #N ESSE"

PER H!$R #N RC TAN3

)@ Hr

)@.r


10/34

REAR3

"#E A''E' C!NS#'ERE' #S 400 )@

T'S F!RE' #N ESSE"

PER H!$R #N RC TAN3

)@ Hr

)@.r

T'S F!RE' #N ESSE"

PER H!$R #N RC TAN3

)@ Hr


11/34

)@.r


12/34


13/34

SR*N! *

A

1

2

4

9

;

<

=

>

5

a

b

10

11

12

14

19

&


14/34

1

a

b

c

d

e

1

ab

c

d

e

C

1

2

4

1

2

4


15/34

"#E PREPART#!N TAN3

!,erBlo nozzel to control E?tra ater addition durin@ circulation iB "e,el indicato

Side Blo to consider Bor ore e+e@enc/ li+e Blo b/-assin@ Bilter 7(.en acidict/

&otto+ "ine Nozzel to re+o,e "i+e undissol,ed -article Slud@e Bor+ "i+e -o

Side an.ole nozzel in ,essel Bor cleanin@ and re+o,ein@ Slud@e in e+er@enc/

"i+e Solution Blo nozzel to 'u-le? Filter Pu+- 7As -er su--lier reco++andati

E+e@enc/ "i+e c.ar@in@ s/ste+ arren@+ent .en Scre is a++ed A@itator

Fres. ater addition .en no li+e solution is a,ailable * Start u- and ot.er condit

"i+e solution addition Bro+ R'F arran@+ent *7 to sa,e condensation 8

"i+e c.ar@in@ ca-acit/ D Considerin@


16/34

'u-le? ca-acit/ to consider Bor $ndissol,ed -artical Carr/ aa/ slud@e re+o,i

#B slud@e ater Bro+ Su+- is used +ore carr/o,er oB undissol,ed -artical *

#B undissol,ed "i+e -artical ore t.en 1;0 +icron to re+o,e * 7less a@itation ti+e

&ac)as. arre@+ent Bor re+o,in@ c.o)in@ -articulate * 7 "ess ti+e Bor re+o,in@ s

"i+e tan) ill .a,e to -u+- connection Bor R3 FEE' "#E C#RC$"AT#!N -u

&ac) as. -artical ill be send to Su+- tan) so t.e/ can be re+o,ed Bro+ R'F

"e,el in Recirculation #ncrease

iB +ore "e,el in RC TAN3 t.en Blue @as Blo ill resticated ore liquid ill Blo to

#B +ore Blo due to addition oB +ore "i+e solution addtion#B +ore Blo due to addition oB ater s-ar/ and +ore condensation *

#B +ore Blo due to addition oB +ore "i+esolution Fro+ R'F

#B +ore Blo due to addition oB +ore "i+esolution Fro+ su+- tan) *

#B +ore Blo Bro+ ater tan) required Bor Controllin@ CARRA(A Bro+ reccircula

"e,el in "i+e Su+- tan)

Hi@. liquid le,elore condensation and o,erBlo Bro+ RC tan)

Foot ,al,e Bails and air star,ation in Su+- -u+- 7 no Blo condition 8

Foot ,al,e NR suitable +aterial to be selected or !n oBB to be a,oided b/ Circul

"o liquid le,el

ore ater circulated to "i+e -re-artion tan) RC Tan)

ore ater circulated to R'F Bor re+o,in@ slud@e *

#+-eller +a/ c.oc) due to dr/ Slud@e -artical in suction bod/ *


17/34

T.is is toconBir+ed it. C"


18/34

Partical re+o,in@it. Blusin@ airater it. 'PT

and online clenin@arren@+ent it.suitable Pu+-s-are strainer Bilterbas)et toconsider *

Non contact t/-ele,el #ndicator toconsider BorControllin@ "e,el *

"e,el to bec.ec)ed and Si@nalBor !n oBB Borcirculation oB "iquid*

!-en t/-e #+-ellerto select


19/34

8a(4) Water

;)/R3/ 97$ ,$ 97$$

/&


20/34

REQ12RE3 8/


21/34

/820=

,$$$

"$$$

7$$$

97$$


22/34

8a(4) Water

;)/R3/ 97$ ,$ 97$$

/&


23/34

REQ12RE3 8/


24/34

/820=

,$$$

"$$$

7$$$

97$$

/820=

,$$$

"$$$

7$$$

97$$


25/34

C"


26/34

'ilution (ater

'ilution (ater


27/34

&a@

Silo

Scre Feeder

C.ar@iin@ Ho--er

For S "

ETP


28/34

'ilution (it. Screen Re+o,al To -lant $se


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Documents

After Lime Visit