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วันอังคารที่ 5 มีนาคม พ.ศ. 2556

Article on liquefied petroleum gas (2)

Article on liquefied petroleum gas (2)

2. Was separated from the natural gas. What is the gas and butane in natural gas.
Approximately 6-10% of natural gas to be delivered to the gas (gas separation plant) to make.
Remove hydrocarbons contained in natural gas. Into various products is methane (methane), ethane (ethane) as a pro (propane) butane (butane) LPG (liquefied petroleum gas) and
Gasoline, natural gas (natural gasoline, NGL).

Natural gas extraction process. Begins with the removal of carbon dioxide (CO2) and water.
The contaminant in natural gas before Benfield process uses potassium carbonate counterpart (K2CO3) as the capture of carbon dioxide. And adsorption processes (absorption process) using substances.which has a porous molecular sieve. Do not absorb water. Dry natural gas from this unit will pass through.
In turbo-expander. To reduce the temperature of 250OK to 170OK and pressure from 43 bar to 16 bar.
Before entering the Hall of methane. (De-methanizer) methane was distilled to separate. And the rest of the ingredients. Hydrocarbons with carbon atoms ranging from 2 up to (ethane plus stream) located in the state of
And failure to leave the lower part of the tower. Products such as liquid chamber. Will be brought into the Hall of ethane.(De-ethanizer) and Art as a pro. (De-propanizer) to extract ethane and it is out of order.
What is this tower. The project will be split at the top of the tower, which is a mixture of pro-RPG and open.
Butane are separated from the central tower. And the product is removed from the bottom chamber of gasoline.
Nature (natural gasoline).

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