Overview Utilities
Overview Utilities
Overview Utilities
14 November 2022
@kilangpertaminainternasional
Produk Unit Utilities
Compressed A I R
Instrument air & Plant air
WATER
Fresh water, Demin water,
Cooling water
STEAM
UTILITIES 3,5kg (Deaerator), 8kg (Tracing), 15kg
(Heater), 36kg (Turbin - Heater)
Process to prepare all “non process material”
which is needed by the plant
Support G A S
N2 liquid & gas
ELECTRICITY
Gas turbine & fuel oil turbine
AUXILIARY
RPA (Rumah Pompa Air)
RWC-WTP-WTU
DEMIN SYSTEM
CW SYSTEM
PPTL
DISTRIBUTION
Distribute to utility, all of
production units, Perumahan,
Kantor
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Diagram Alir Proses
Service Water
RPA CW Sirkulasi
RWC Cooling Tower
Service Air
Instrument Air
Bahan Unit Proses Produk
RPA 1 Cooling Water Once Through CDU Utara
Gas Turbin
Listrik 50 Hz
Fuel Gas 3 X 31 MW
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Auxiliary-Rumah Pompa Air (RPA)
Sungai Komering
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Auxiliary-Water Treatment Plaju
Kapasitas : Make Up
RWC I : 700 t/h CT Plaju
RWC II (Idle)
Cooling Tower
120-150 t/h
Deaerator
Plaju
Demin
Plant SG
Sungai Demin Plant
Komering RPA 4 RWC I 150 t/h
RWC II Air bersih
(Idle) perumahan dan
perkantoran plaju
Treated Water
(400 t/h)
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Auxiliary-Water Treatment Sungai Gerong
Make Up
CT SG
Kapasitas :
WTU SG : 280 t/h CWOT CD VI Cooling Tower
DWP II : 150 t/h
Demin Plant
(Idle)
Sungai WTU SG
Komering RPA 5
Air bersih
perumahan dan
perkantoran SG
Carbon FIlter
Air bersih
perumahan SG
DWP SG
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Water Treatment (Typical Process Flow & Equipment)
Polyelectrolyte
CHEMICAL NaOH M
INJECTION
Chlorine
Aluminium Sulfat
SERVICE
WATER
SPLITTER BOX
/ To Demin Plant
/
CLARIFIER
COOLING
GRAVITY SAND CLEARWELL WATER
/
FILTER MAKE UP
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Chemicals Fungsi
Aluminium Sulfat Koagulan : Destabilisasi muatan elektrosatis partikel (tolak
(Alum) menolak netral) memungkinkan partikel untuk menyatu
@kilangpertaminainternasional
Auxiliary - Demineralization Unit
Demin Plaju
Kapasitas : 150 t/h
Water from
Clear Well
Water from
Tank
Clear wall tank
Demin Water
*Nb
Resin Kation dan Anion : Carbon Filter Cation Exchanger Anion Exchanger Mixed Bed
- Polymer Styrene
- Dyvinil Benzene
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Alat Fungsi
Carbon Filter Untuk mentreatment filtered water supaya bebas dari
suspended matter, oil, algae, slime, turbidity, carry over flock,
dan chlorine serta menghilangkan warna, rasa, dan bau
Kation Exchanger Untuk menghilangkan ion positif (Kation).
Reaksi :
R-H+ + Na R-Na
Ca R-Ca + H+
Mg R-Mg
Anion Exchanger Untuk menghilangkan ion negative (Anion).
Reaksi :
R-OH- + Si2+ R-HSiO2
CO3 2-
SO4 H2O
SO42- Cl2 + NaOH
NO3- HCO3 SiO2
Cl-
Mixed Bed Untuk menghilangkan ion-ion yang tidak dapat dhilangkan pada
cation dan anion exchanger
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Parameter Feed Raw Water Treated Water Demin Water
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Auxiliary-Cooling Tower
CT Plaju : CT Sungai Gerong :
Kapasitas : 8000 T/h Kapasitas : 3500 T/h
Lube/Seal Oil Cooler HVU II
Instrument Air Compressor FCCU CW Return
Sample Cooler SWS
Surface Condenser
Polypropylene & Alkilasi Corrosion Inhibitor
Scale Inhibitor Chlorine
Chemicals Fungsi NaOH
Chlorine Oxidizing biocide yang berguna sebagai Biocide
desinfektan
CW Supply
CW Make Up
Spectrum NOX Non Oxidizing biocide yang berguna sebagai
1108 desinfektan
NaOH pH Adjusment dijaga pada range 7.5-8.5
- Untuk memaksimalkan kinerja Chlorine (7.5-
7.8)
- Untuk menjaga corrosion rate
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No. Parameter Unit Nilai
1. pH - 7-8.5
2. Conductivity (μs/cm) Max. 2000
3. Silica Ppm Max. 130
4. Konten Fe Ppm Max. 2
5. Residual Ppm 0,25-0,5
Chlorine
6. Turbidity NTU Max. 20
7. Ca-Hardness ppm Max. 250
8. Total Alkilinity Ppm Max. 250
9. Total Ppm 6-9
Phosphate
10. Corrosion Rate Mpy Max. 2
11 Total Colonial Koloni/ml Max 104
Bacteria
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PPTL- Steam Generator
Package Boiler
Chemicals Fungsi (2011 UA/UB)
2 Unit (@ 50 T/h)
DEHA 1. Oxygen Scavenger
Diethyhidroxil 4(C2H5)2NOH + 9O2
amine 8CH3COOH + 2N2 + 6H2O
58 T/h Steam
Demin
2. Maintain PH 40 kg/cm2
3. Passivation mencegah Water
Phospate
korosi sebelum masuk ke
boiler LP steam
(3,5 kg/cm2g)
DEHA
Morpholine Adjusting PH to avoid Morpholine
corrosion Deaerator
Boiler WHRU
Phospate Untuk mengatur hardness Feed Water
air
T = 120°C (2010 UA/UB/UC)
P : 0,85 Kg/cm2 3 Unit (@ 60 T/h)
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Boiler Feed Water Specification
Parameter Demin Boiler Feed Boiler Water Steam
Water Water (Superheated
dan
Saturated)
Phosphate 5-15
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PPTL-Plant Air & Instrument Air
Nitrogen Plant
Nitrogen
KO
Drum Plant
Compressor Air
Air
6 Unit
(Cap Tot : 26100 Nm³) Dryer
Instrument
Air
@kilangpertaminainternasional
PPTL-Nitrogen Plant N2 Gas
Kapasitas N2 Plant : 3300 Nm3/H LP : 7 kg/cm²
HP :
Compresso Cold 29kg/cm²
r Box
Air Vaporizer
MS
Adsorber
N2
Storage
Chiller N2 Liquid
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PPTL – Power Generator
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Terima Kasih
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