Evaluation of the Physical-Chemical Properties in Petroleum Coke

Semaghiul Birghila, Ionela Carazeanu Popovici


In this paper, commercial petroleum cokes were analyzed, before and after heat treatment in order to evaluate the physical-chemical properties. The content of moisture, volatile matter, sulphur, ash and metals (Fe Ni, Cr) was determined. The results showed that temperature increasing led to the removal of volatile matter and sulphur content; higher separation of sulphur was observed for coke obtained from atmospheric residue and from decanted oil. The ash content indicates the presence of inorganic admixtures in coke. Metal concentrations increased through calcining, due to the weight loss from removal of the volatile matter; the coke samples revealed the higher content of nickel (151 to 279 ppm) which is the most represented metal component in the coking feedstock. Physical-chemical parameters indicate that the analyzed cokes can be used in anode –grade production.
Key words: Anode materials; Petroleum coke; Moisture; Sulphur; Volatile matter; Metals


Anode materials; Petroleum coke; Moisture; Sulphur; Volatile matter; Metals

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DOI: http://dx.doi.org/10.3968/j.aped.1925543820130602.1758


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