Abstract
This paper reports on an investigation of the decomposition of spent sulfuric acid (SSA) from alkylation in a molten medium. The essential feature of the process is the oxidation of the organic part of the SSA and the simultaneous decomposition of the acid at temperatures that are lower and therefore less costly than those required for high-temperature splitting. The results of experiments indicate complete decomposition of the sulfuric acid, and a decrease in the total content of sulfur oxides as a result of dilution of the reaction products with nitrogen. The experimental data reported on here have provided the basis for engineering calculations and design of a pilot plant for the decomposition of SSA from alkylation in a molten medium.
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