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C N G (Compressed Natural Gas). Dr. Slamet. Gas Sweetening. Gas Drying. Hg-removal. Pengolahan Gas Bhn Bakar. C1. Pendinginan & Pencairan. LNG. Gas Bumi. Kompresi. CNG. Separasi. Fraksinasi. Gas Piping. LPG Refrigerant Kondensat. C2+. SynGas. Fischer Trops. GTL. - PowerPoint PPT Presentation
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C N G (Compressed Natural
Gas)
Dr. Slamet
Pengolahan Gas Pengolahan Gas Bhn Bhn BakarBakar
SeparasiSeparasi
Gas Gas SweeteningSweetening
Gas DryingGas Drying
Hg-removalHg-removal
FraksinasiFraksinasi
PendinginanPendinginan& Pencairan& Pencairan
KompresiKompresi
Gas BumiGas BumiLNGLNG
CNGCNG
Gas PipingGas Piping
C1C1
C2+C2+LPGLPGRefrigerantRefrigerantKondensatKondensat
SynGasSynGas GTLGTLFischer TropsFischer Trops
Volume ReductionVolume Reduction
• LNG volume reduction: 600 times (all liquids at atmospheric pressure and –256 F)
• CNG volumes reduction: function of pressure and temperatures
• Higher pressure and lower temperature lead to higher volume reduction
• CNG volume reduction examples:P = 2850 psig 206 times at 100 F & 280 times
at 32 FP = 1400 psig 103 times at 100 F & 133 times
at 32 F
100
150
200
250
300
350
400
450
-60 -50 -40 -30 -20 -10 0 10 20 30 40
Temperatur, C
R-C
NG
= V
ol.G
as/V
ol.C
NG
P = 2000 psia P = 2500 psiaP = 3250 psia P = 3650 psia
CNG Volume ReductionCNG Volume Reduction
Pengaruh C3+ dan H2O
0.6
0.7
0.8
0.9
1
1.1
0 5 10 15 20 25 30 35Konsentrasi C3+ atau H2O, %
Fra
ksi u
ap
Pengaruh C3+
Pengaruh H2O
Pengaruh impurities pada CNG
Terrestrial CNG Technology: Terrestrial CNG Technology: TransCanadaTransCanada
Marine CNG Technology: Marine CNG Technology: VOTRANS (EnerSea)VOTRANS (EnerSea)
Using bundles of steel pipes containing the gas under optimized Pressure & Temperature
Incorporating spools
of coiled tubing
Marine CNG Technology: Marine CNG Technology: CoselleCoselle (Williams) (Williams)
CNG gas quality standard CaliforniaCNG gas quality standard California
C1 88.0 % minC2 6.0 % maxC3 and higher HC 3.0 % maxC6 and higher HC 0.2 % maxHydrogen 0.1 % maxCO 0.1 % maxOxygen 1.0 % maxCO2+N2 1.5 – 4.5 %Sulphur 16 ppmv (max)
Gas Sweetening
Compression
Gas Dehydration
Fractionation Feed Gas
Tube truck CNG
BFD utk CNG Terrestrial
BFD utk CNG Marine
1. Jatinegara
2. Tambun
3. Cikarang
4. Rengasdenklok -O 5. Rengasdenklok -N
6. Cilamaya Selatan
7. Bojong Raong
8. Pagaden
9. Pasir Jadi Naik
10. Tunggul Maung
11. Melandong
12. Kandanghaur Timur
13. Cemara Selatan
14. Sindang
15. Gantar
16. Tugu
17. Jatibarang
18. Randegan
5
Flare Gas
Stranded Gas
STUDI KASUS