wtp refreshment

8/10/2019 WTP Refreshment

1/21

WTP REFRESHMENT TRAINING

WATER CHEMISTRYWTP OVERVIEW

SAFETY IN WTPEVALUATION


2/21

WATER

Pure water =H2O H+ + OH-

Water :Universal Solvent

- dissolve almost any salts in earth

- pure water is not exist naturallyatent Heat

- hi!h "oilin! point

- heat ex#han!er media

Sour#e o$ Water : - sea water

- under!round water

- sur$a#e water


3/21

WATER CHEMISTRY

pH : a#idi#--- neutral--- al%aline& ' &(

)l%alinity

- H*O ,"i#ar"onate : at low pH

- *O ,*ar"onate : at hi!h pH

.le#tri#al *ondu#tivity :

- /easure amount o$ dissolved solid ,ion

Hardness

- *al#ium ,*a 0 /a!nesium ,/! asso#iated with #ar"onate1"i#ar"onate

- S#ale $ormin!


4/21

Sili#a :

- ea#tive sili#a

- *olloidal sili#a - S#ale $ormin!

3ur"idity :

- /easure o$ #learness o$ water

- *orrelation with suspended solid

Suspended solid :

- Parti#les in water 4 mud5 #lay5 or!ani# et#6

7issolved solid :

- 8ons in water


5/21

S#alin! :

- 7eposit o$ hardness5 sili#a or #orrosion produ#t

- Preventive : s#ale inhi"itor

*orrosion :

- /etal oxidation

- 8nitiator : dissolved oxy!en5 a#id1"ase5 water

- Preventive : #orrosion inhi"itor

Slime :

- 7eposit o$ mi#roor!anism ex#retion

- Preventive : slime inhi"itor


6/21

WATER INTAKE SYSTEM

Function: to ta%e water $rom 3arum 9arat *anal

System :9ar s#reen &; mmPensto#%

8nta%e pipe9and s#reen x mm5 motori


7/21

WATER INTAKE SYSTEM

M

P

P

P8

P

M1

2

2

1

3


8/21

CLARIFICATION

Function: to puri$y #anal water

Soi! Cont"ct C"#i$ie#,2 unit>ast mixin!


9/21

Soi!%&o' Cent#i$u(e

Function: to solidi$y #lari$ier e$$luent

Slud!e PitSlud!e pump*entri$u!e : provided with polymer dosin!7ump 3ru#%

Cooin( W"te# )ei*e#y T"n+

Function , holdin! 0 delivery tan%Provided with : 2 pumps

pH meter 0 tur"idity meter


10/21

>O/

8A3)B.

)lum P)*

Polymer

*austi#Aot used/

/

CW)T

Su!(e Pit

cent#i$u(e

Polymer

CLARIFIER

pH

3

S


11/21

FILTRATION

Function: to $iltrate #lari$ied water

/ulti ?rade >ilter ,/?> 5 2 unit)#tivated *ar"on >ilter ,)*> 5 2 unite!eneration : timer 2( h1#y#le

"a#% wash & min rinse 2 min

Pota"le Water 3an% 5 #ap6 ; mPota"le water pump*hlorine in@e#tion pump


12/21

POT

TANK

>rom *W73

#hlorine

3o 7emin Plant

Sanitary water

FILTRATION

MGF

B

MGF

A

ACF

B

ACF

A


13/21

)EMINERALI-E) WATER PLANT

Function,to produ#e demin water

System ,

Stron! )#id *ation ,S)* 5 2 unit7e!aser 3owerWea% 9ase )nion ,W9) 5 2 unitStron! 9ase )nion ,S9) 5 2 unit/ix 9ed ,/9 52 unit

3reated Water 3an%5 2x &; m

Re(ene#"tion ,

S)* (; m1#y#le 5 usin! H*l CW9)1S9) (; m1 #y#le 5 usin! AaOH (C

/9 (;; m1#y#le 5 usin! H*l 0 AaOH


14/21

)GF#om ACF

TWT TWT

)EMIN PLANT FLOW )IAGRAM

STREAM%A

STREAM%.

SACA

SAC

B

WBAA

SBAA

WBA

B

SBA

B

MBA

MB

B


15/21

Re(ene#"tion

SAC,

9a#% Wash : min/iddle *olle#tor >lush : min)#id Pre-in@e#tion : min)#id 8n@e#tion ,#ounter #urrent : ; minSlow inse : D; min>inal inse : &; min

When E 8$ resin exhaustedOutput $low settin! elapsed = #y#leOutput water has poor Fuality ,pH5 .*5 SiO2


16/21

W.A/S.A0t1o#ou(1$"#e2 ,

W9) 9a#% Wash : minS9) 9a#% Wash : min)l%ali Pre-in@e#tion : min

)l%ali 8n@e#tion : ; minSlow inse : && minW9) >inal inse : 2; minS9) >inal inse : 2; min

M.,

9a#% Wash : min)#id1)l%ali Pre-in@e#tion : min)#id1)l%ali 8n@e#tion: & min)#id1)l%ali inse : 2( min7rain 7own : min

)ir /ix : &; min>or#ed Settle : 2 mine-$ill : min>inal inse : & min


17/21

COOLING TOWER

*lose oop System u"e Oil *ooler *orrosion 8nhi"itor : AaAO2 0 /oly"date

34 GTG Cooin( To'e#

?3? >an >an


18/21

CT ."sin

54 STG Cooin( To'e#

Open e-#ir#ulatin! *oolin! Water

*oolin! Water 9asinWood Support3ower Pa#%in!

7istri"ution Pipe with Ao


19/21

. O I L E R

A4 Au6ii"#y .oie#

>un#tion : $or $irst time HS? start-up3ype : >ire tu"e

*ap6 : &; ton

/a%e-up water : 7emin water

*hemi#al : Aone

.4 He"t Reco*e#y Ste"m Gene#"to# 0HRSG2

>un#tion : !enerate steam $or steam tur"ine

3ype : Water tu"e

*ap6 : HP7 D ton 5 8P7 & ton/a%e-up water : 7emin water

*hemi#al : Oxy!en s#aven!er5

S#ale 0 #orrosion inhi"itor


20/21

TWT

A.

HW

CRT

)A IP)HP)STG

HPS

8PS

Oxy!en S#aven!er ,.liminox

*orrosion 8nhi"itor ,)mmine

S#ale 0 *orr6 8nhi"itor

,Phosphate

S#ale 0 *orr6 8nhi"itor

,Phosphate

.OILER FLOW )IAGRAM


21/21

SAMPLING RACK

Function , $or ta%in! sample $rom "oiler drum5 steam5

#ondensate 0 deaerator

c"tion #esin

mic#o $ite#

cooe#

Si)OEC7H

HPS

CON

IPS

IP)

)A

HP)

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