Alternative Processes for Removing Organic Sulfur Compounds from Petroleum Fractions

M. Mužic and K. Sertić-Bionda

Abstract
This work discusses the processes for removing sulfur from fuels, and problems related thereto, including conventional and improved processes of hydrodesulfurization, and alternative technologies and processes for obtaining fuel with extremely low sulfur content, which are in the process of research and development. It is anticipated that alternative processes already developed or those being researched will be applied as an addition to the currently most commonly used process of hydrodesulfurization, which is based on selective heterogeneous catalysts. Reviewed are new achievements in the development of the hydrodesulfurization process regarding new catalysts and reactors, the research and development possibilities of the adsorption and extraction processes, as well as the biodesulfurization process.

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Keywords
Sulfur, petroleum fractions, alternative process, desulfurization