Gas Processing

GAS PROCESSING

Natural gas processing presents some difficult challenges due to its varied composition and phase changes with pressure, as well as the need to remove water and deleterious elements commonly present in gas, such as carbon dioxide and hydrogen sulfide.  Gas also contains highly valuable hydrocarbons produced as liquids from the gas, including ethane, propane, butanes, and pentanes, which are used in fuels and as petrochemical feedstocks.  Key processes used in processing gas are removal of acid gases, or "sweetening", dehydration, and temperature reduction using Joule-Thomson expansion or mechanical refrigeration.

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