C N G (Compressed Natural Gas) - PowerPoint PPT Presentation

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C N G (Compressed Natural Gas)

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  1. C N G (Compressed Natural Gas) Dr. Slamet

  2. 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

  3. 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

  4. CNG Volume Reduction

  5. Pengaruh impurities pada CNG

  6. Terrestrial CNG Technology: TransCanada

  7. Marine CNG Technology: VOTRANS (EnerSea) Using bundles of steel pipes containing the gas under optimized Pressure & Temperature

  8. Marine CNG Technology: Coselle (Williams) Incorporating spools of coiled tubing

  9. CNG gas quality standard California C1 88.0 % min C2 6.0 % max C3 and higher HC 3.0 % max C6 and higher HC 0.2 % max Hydrogen 0.1 % max CO 0.1 % max Oxygen 1.0 % max CO2+N2 1.5 – 4.5 % Sulphur 16 ppmv (max)

  10. BFD utk CNG Terrestrial

  11. BFD utk CNG Marine

  12. 4. Rengasdenklok - O 5. Rengasdenklok - N 5 2. Tambun 3. Cikarang 7. Bojong Raong 12. Kandanghaur Timur 6. Cilamaya Selatan 11. Melandong 1. Jatinegara 8. Pagaden 13. Cemara Selatan 14. Sindang 15. Gantar 9. Pasir Jadi Naik 17. Jatibarang 10. Tunggul Maung 16. Tugu 18. Randegan Flare Gas Stranded Gas

  13. STUDI KASUS