Abstract
Some selected petroleum based feedstocks have been characterized by 1H and 13C NMR spectroscopy for their possible use as carbon black feedstock (CBFS). Feedstocks studied are pyrolysis tars, clarified oils, aromatic extracts and vacuum residue. Analysis of average structural NMR parameters show that pyrolysis tars because of their being highly aromatic in character (high BMCI) are the most suitable feedstock for carbon black. Aromatic extracts rank the next. Clarified oils of Indian refinery origin needs further processing due to middle distillate mode refining severity.
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