Abstract
Dependence of mercaptans content in straight-run jet fuel on process mode of column K-1 of crude oil processing unit is shown.When temperature of column K-1 increases the quantity of decomposing unstable sulfuric compounds is also increased, while the decomposition products - mercaptans and hydrogen sulfide are removed with gasoline fraction in column K-1 andunstable sulfur compounds in a lesser degree are moved to column K-2, which decreases the mercaptans content in straight-run kerosene. The comparison of mercaptans content in closed fractions of oil and straight-run jet fuel is performed. It is shown that their content in straight-run jet fuel is higher, and they come both from oil and as a result of decomposition processof unstable sulfur compounds, more likely, disulfides in the first place.
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