wtp refreshment
TRANSCRIPT
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WTP REFRESHMENT TRAINING
WATER CHEMISTRYWTP OVERVIEW
SAFETY IN WTPEVALUATION
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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$a#e water
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WATER CHEMISTRY
pH : a#idi#--- neutral--- al%aline& ' &(
)l%alinity
- H*O ,"i#ar"onate : at low pH
- *O ,*ar"onate : at hi!h pH
.le#tri#al *ondu#tivity :
- /easure amount o$ dissolved solid ,ion
Hardness
- *al#ium ,*a 0 /a!nesium ,/! asso#iated with #ar"onate1"i#ar"onate
- S#ale $ormin!
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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
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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
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WATER INTAKE SYSTEM
Function: to ta%e water $rom 3arum 9arat *anal
System :9ar s#reen &; mmPensto#%
8nta%e pipe9and s#reen x mm5 motori
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WATER INTAKE SYSTEM
M
P
P
P8
P
M1
2
2
1
3
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CLARIFICATION
Function: to puri$y #anal water
Soi! Cont"ct C"#i$ie#,2 unit>ast mixin!
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Soi!%&o' Cent#i$u(e
Function: to solidi$y #lari$ier e$$luent
Slud!e PitSlud!e pump*entri$u!e : provided with polymer dosin!7ump 3ru#%
Cooin( W"te# )ei*e#y T"n+
Function , holdin! 0 delivery tan%Provided with : 2 pumps
pH meter 0 tur"idity meter
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>O/
8A3)B.
)lum P)*
Polymer
*austi#Aot used/
/
CW)T
Su!(e Pit
cent#i$u(e
Polymer
CLARIFIER
pH
3
S
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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
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POT
TANK
>rom *W73
#hlorine
3o 7emin Plant
Sanitary water
FILTRATION
MGF
B
MGF
A
ACF
B
ACF
A
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)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
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)GF#om ACF
TWT TWT
)EMIN PLANT FLOW )IAGRAM
STREAM%A
STREAM%.
SACA
SAC
B
WBAA
SBAA
WBA
B
SBA
B
MBA
MB
B
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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 $low settin! elapsed = #y#leOutput water has poor Fuality ,pH5 .*5 SiO2
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W.A/S.A0t1o#ou(1$"#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
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COOLING TOWER
*lose oop System u"e Oil *ooler *orrosion 8nhi"itor : AaAO2 0 /oly"date
34 GTG Cooin( To'e#
?3? >an >an
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CT ."sin
54 STG Cooin( To'e#
Open e-#ir#ulatin! *oolin! Water
*oolin! Water 9asinWood Support3ower Pa#%in!
7istri"ution Pipe with Ao
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. 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
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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
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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)