Hydrocarbon, methane,
ethane
, propane,
butane,
pentane CH 4
C 2H 6
C 3H 8
10 C 4H
5H C 12 60 - 80
4 - 10
3 - 5
1 - 3
1
non-hydrocarbons. Carbon dioxide
, nitrogen,
etc. (water vapor, helium, hydrogen sulfide) CO 2
N 2
- 15 - 25
less than a third
less
natural gas extraction process. Start by getting rid of carbon dioxide (CO 2) and water contamination. Natural gas is the process by which the Benfield potassium carbonate (K 2CO 3) carbon dioxide is captured. And adsorption Using substances such as molecular sieve which has a pore. To absorb water The dry gas from this unit through. turbo-expander To reduce the temperature of 250O K 170O K and a pressure from 43 bar to 16 bar and then split into the Hall of methane. (de-methanizer) methane are distilled separately. And the rest of the ingredients. Hydrocarbons containing two carbon atoms and up (ethane plus stream), which is in the liquid state and to leave the lower part of the tower. Hall of liquid products will be introduced into the chamber to separate ethane. (de-ethanizer) and Hall split propane. (de-propanizer) to extract ethane and propane, issued the following order. This split in the Hall of propane. Propane is separated at the top of the tower at the PGA, which is a mixture of propane and butane, are excluded from the center of the tower. The product out of the bottom of the tower. Gasoline, natural (natural gasoline)
image shows the process of extracting natural gas company PTT Rayong
refinery processes crude
oil is a mixture of hydrocarbons of various kinds mingling. Due to the hydrocarbons in Useful in various applications. It is necessary to separate mixtures apart. The residential properties at different molecular density and boiling point of a substance, but a little different. Need a way out of isolation. Fractional distillation (Fractional distillation) as shown below.
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