Influence of kinetic stability of petroleum residues on the coking process

Petroleum Asphaltenes - Part 2: the Effect of Asphaltene and Resin Constituents on Recovery and Refining Processes

“…It is often ignored that the asphaltene constituents also produce high yields (35 to 65 wt%) of volatile thermal products which vary from condensable liquids to gases. Because of the propensity of the resin and asphaltene fractions to produce high yields (30 to 60% by weight) of thermal coke, the thermal decomposition of petroleum asphaltene constituents has naturally received the considerable attention (Girdler, 1965;Magaril and Aksenova, 1967, 1970a, 1970bMagaril and Ramazaeva, 1969;Magaril et al, 1970Magaril et al, , 1971Gimaev et al, 1980;Sabanenkov, et al, 1980;Schucker and Keweshan, 1980;Shiroto et al, 1983;Speight, 1987). Special attention has been given to the nature of the volatile products of asphaltene decomposition mainly because of the difficulty of characterizing the nonvolatile coke.…”

Thermal Cracking of Petroleum

“…% ) of volatile thermal products which vary from condensable liquids to gases. Because of the propensity of the resin and asphaltene fractions to produce high yields (30 to 60% by weight) of thermal coke, the thermal decomposition of petroleum asphaltenes has naturally received the considerable attention (Girdler, 1965;Magaril and Aksenova, 1967;Magaril and Ramazaeva, 1969;Magari!, andAksenova, 1970a, 1970bMagaril et aI., 1970;Speight, 1970;Magaril et al, 1971;Speight, 1971;Ritchie et al, 1979;Gimaev et al, 1980;Sabanenkov, et al, 1980;Schucker and Keweshan, 1980;Simm and Steedman, 1980;Shiroto et al, 1983;Speight, 1987). Special attention has been given to the nature of the volatile products of asphaltene decomposition mainly because of the difficulty of characterizing the non-volatile coke.…”