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Refining Chemicals In the precess of Petroleum Refining, a variety of chemicals have been used. Petroleum Refining Chemicals are applied at different stages in the refining process. In order to obtain different output from petroleum products, a number of varied chemicals are applied to a specific stage. Some examples of Petroleum Refining Chemicals are below mentioned :- ? Sulfuric Acid and Hydrofluoric Acid. Sulfuric acid and hydrofluoric acid are used primarily as catalysts in alkylation processes. Sulfuric acid is also used in some treatment processes. ? Leaded Gasoline Additives. Tetraethyl lead (TEL) and tetramethyl lead (TML) are additives formerly used to improve gasoline octane ratings but are no longer in common use except in aviation gasoline. ? Caustics. Caustics are added to desalting water to neutralize acids and reduce corrosion. They are also added to desalted crude in order to reduce the amount of corrosive chlorides in the tower overheads. They are used in some refinery treating processes to remove contaminants from hydrocarbon streams. ? Oxygenates. Ethyl tertiary butyl ether (ETBE), methyl tertiary butyl ether (MTBE), tertiary amyl 0methyl ether (TAME), and other oxygenates improve gasoline octane ratings and reduce carbon monoxide emissions. |
Releted Categories of Refining Chemicals
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