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Gas Separation

The ASP-Technology lends itself to environmental friendly energy production by the separation of natural gases into their individual compounds with the eye on methane harvesting.

The photo underneath was taken of a gas separation demonstration unit that was built for a client.

Natural gas is a hydrocarbon gas mixture consisting primarily of methane; which is the sought-after source for energy. This gas is a fossil fuel which mostly requires processing and clean-up (gas separation) upon harvesting to remove impurities prior to energy production. The chemical composition of natural gas consists of methane, carbon dioxide, oxygen, nitrogen, hydrogen sulphide; all in different concentrations present, and also some traces of noble gases like argon, helium and neon, as well as other lighter hydrocarbons.

Some of the natural gas, tapped from wells, contain hydrogen sulphide (H2S), an unwanted chemical that is highly toxic to humans at low concentrations. Existing chemical clean up methods can handle natural gas with no more than 1% hydrogen sulphide but some of the Middle Eastern sources contain up to 25% hydrogen sulphide. This aspect is a predicament for these countries that have the availability of "low cost energy" that is now eluding them. ASP technology can handle high hydrogen sulphide concentrations and could be the solution.

Before utilization natural gas must meet quality standards specified by major pipeline transmission- and distribution companies, some of which are listed here:

  • The gas must fall within a specified heating value (calorie value) which differs from country to country.
  • It must be delivered at or above a specified hydrocarbon dew point temperature. To ensure that no condensation occurs during transport, water and heavy hydrocarbons in the gas, which might condense, are removed prior to transport through a pipeline.
  • The gas must only contain trace amounts of nitrogen and mercaptants. The carbon dioxide level should usually be no more than 2-3 percent. Natural gases typically contain up to 8% carbon dioxide.

For more information follow the link to the Klydon Gas International website.


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