Sulphur contained in crude oil and processed by Petrochemical Industry can be represent a seriously environmental problem. Crudes containing a high percent of impurities, such as Sulfur compounds, are less desirable than low-sulfur crudes because of their corrosivity and the extra treating cost, increasing production costs. Sulfur in crude oils is mainly present in the form of organosulfur compounds (Mercaptans, Thiophene). Hydrogen sulfide (H2S) is the important inorganic sulfur compound found in crude oil. Sour crudes contain a high percentage of Hydrogen Sulfide.
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Orlando Elguera Ysnaga (2024) studied this question.
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