Abstract
1. Treatment of the hydrocracking distillate with either an aqueous solution of fresh sulfuric acid or with the spent acid after sulfuric acid alkylation ensures that a stabilized component of diesel fuel will be obtained without changing its initial hydrocarbon composition. 2. It was shown that the basic reason for the low chemical stability of the distillate from the hydrocracking of deasphaltizate is the increased concentration of nitrogen, oxygen, and sulfur compounds with an unstable structure in it. Upon their removal the distillate acquires the necessary stability. 3. The nonhydrocarbon compounds which are present in the hydrocracking distillate are characterized. It was shown that they consist of nitrogen, oxygen, and sulfur compounds, mainly cyclic in nature.
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