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Hydrogenation and ring-opening of low-quality feedstocks rich in aromatic compounds is a very attractive process for the production of clean diesel fuels. The present work explores the detailed reaction paths of decalin (model compound for dinaphthenes) transformation over a bi-functional solid catalyst. The key steps and reaction intermediates in selective ring-opening have been identified and quantified.
Upgrading of the low-quality feedstocks into high-quality diesel fuel fractions by hydrogenation combined with ring-opening of naphthenes offers a new possibility to improve the diesel fuel properties. Decalin was selected as a probe molecule for dinaphthenes that would be present in refinery streams after hydrogenation of aromatic refinery fractions.The experiments aimed at ring-opening of decalin...
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