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**C N G (Compressed Natural Gas)**

Dr. Slamet

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**Pengolahan Gas Bhn Bakar**

C1 Pendinginan & Pencairan LNG Gas Sweetening Gas Drying Hg-removal Gas Bumi Kompresi CNG Separasi Fraksinasi Gas Piping LPG Refrigerant Kondensat C2+ SynGas Fischer Trops GTL

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Volume 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 F P = 1400 psig 103 times at 100 F & 133 times at 32 F

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CNG Volume Reduction

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**Pengaruh impurities pada CNG**

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**Terrestrial CNG Technology:**

TransCanada

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**Marine CNG Technology:**

VOTRANS (EnerSea) Using bundles of steel pipes containing the gas under optimized Pressure & Temperature

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**Marine CNG Technology:**

Coselle (Williams) Incorporating spools of coiled tubing

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**CNG gas quality standard California**

C % min C % max C3 and higher HC 3.0 % max C6 and higher HC 0.2 % max Hydrogen % max CO % max Oxygen % max CO2+N – 4.5 % Sulphur 16 ppmv (max)

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**BFD utk CNG Terrestrial**

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BFD utk CNG Marine

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**Flare Gas Stranded Gas 5 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

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STUDI KASUS

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