CÔNG TY CỔ PHẦN KINH DOANH KHÍ MIỀN NAM
SOUTHERN GAS TRADING JSC
4th floor PetroVietnam Tower
No. 1 - 5, Le Duan, Ben Nghe, District 1
Email
lienhe@pgs.com.vn
The main component of CNG (Compressed Natural Gas) is CH4-methane (accounting for 85%–95%), taken from natural gas field, associated petroleum gas in the process of oil field exploitation which is compressed at high pressure (200 to 250 bar) into specialized tanks to be transported to the point of consumption.
CNG COMPOSITION
0 %
0 %
0 %
0 %
Methan
Ethan
Propan
Others
THE TABLE OF TECHNICAL CHARACTERISTICS OF BURNING FUEL (*)
| Characteristic | CNG | LNG | LPG | Diesel | FO 3.5S |
|---|---|---|---|---|---|
| Color, Odor | No | No | No | Yes | Yes |
| Density | 0,75 - 0,83 Kg/Sm3 |
0,41 - 0,5 Kg/lit |
0,51 - 0,56 Kg/lit |
0,82 - 0,87 Kg/lit |
0,991 (Max) Kg/lit |
| Calorific Power (MJ/kg) |
50-56 | 55 | 49,5 | 45,36 | 41,03 |
| Flame Temperature (oC) |
1.954 | 1.880 | 1.950 | 1.780 | N/A |
| Auto-ignition temperature (oC) |
540 | 482 - 632 | 374 | 260 | 407 |
THE TABLE OF BURNING FUEL SAFETY COMPARISON (*)
| CNG | LNG | LPG | PETROLEUM | |
|---|---|---|---|---|
| Combustibility | Lighter than air, easily soluble in air |
Heavier than air, accumulate on the ground, Combustible easily |
||
| Storage tank | special materials, under pressure over 250 bar |
special materials, design pressure 12kg/cm2 |
Stainless Steel, design pressure 18kg/cm2 |
Stainless Steel |
| Accessory | Emergency Shut Off Valve will automatically Shut off the line to avoid any gas leakage in the event of a fault |
None | ||
Noted:
・BTU (British Therm Unit): Calorific Power Unit of British.
・Sm3 (Standard cubic metre): 1 m3 CNG in standard condition (15 oC temperature, 1 at pressure )
・mmBTU: One millio BTU.
・1Kcal = 3,968321 BTU.
THE TABLE OF CALORIFIC VALUE (*)
| FUEL | UNIT | KCal | BTU | mmBTU |
|---|---|---|---|---|
| CNG | Sm3 | 10.080 | 40.001 | 0,040001 |
| LNG | Kg | 13.114 | 52.042 | 0,052042 |
| LPG | Kg | 11.823 | 46.917 | 0,046917 |
| DO | Kg | 10.835 | 42.997 | 0,042997 |
| FO | Kg | 9.800 | 38.890 | 0,038890 |
CALCULATION OF ENERGY CONVERSION OF FUELS (*)
| FUEL | UNIT | FUEL CONVERSION | ||||
|---|---|---|---|---|---|---|
| CNG(Sm 3) | LNG(kg) | LPG(Kg) | DO(Kg) | FO(Kg) | ||
| CNG | 1 Sm3 | 1 | 0,768802 | 0,85258 | 0,93032 | 1,02857 |
| LNG | 1Kg | 1,30099 | 1 | 1,10919 | 1,21034 | 1,33816 |
| LPG | 1Kg | 1,17292 | 0,901522 | 1 | 1,09119 | 1,20643 |
| DO | 1Kg | 1,07490 | 0,826198 | 0,91643 | 1 | 1,10561 |
| FO | 1Kg | 0,97222 | 0,747281 | 0,82889 | 0,90448 | 1 |
(*) The data given for reference onlyTHE MODEL OF GAS SOUTH’S GAS SUPPLY SYSTEM TO CUSTOMERS
Advantages:
- Reducing maintenance and repairing costs compared to other fuels.
- Ensuring safety against re and explosion thanks to a closed-circuit system, advanced technology and strictly operation management procedure.
- Extending equipment lifespan better than other fuels.
- Saving cost thanks to competitive prices, high combustion efficiency, and a clean feel.
- Saving cost for waste treatment, harmless to the health of workers and the community.
Benefits of using CNG and LNG from Gas South:
With experience and advantages in trading all 3 types of gas products including LPG, CNG, and LNG, Gas South will provide the following benefits:
- Ensure a stable fuel supply.
- Customers have the right to choose to use the cheapest fuel each time to optimize cost of using fuel.
