Method for desulfurization of tall oil pitch is suggested. The method is based on successive treatments with hydrogen peroxide, sulfuric acid, and aqueous solutions of acetonitrile. As a result, the total content of sulfur was reduced from 3800 to 220 ppm. The fuel characteristics of the desulfurized pitch were determined. The purified pitch can be used in the conventional areas of its application, in which restrictions are imposed on the total content of sulfur.
Russian Journal of Applied Chemistry – Springer Journals
Published: Jun 17, 2014
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