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Journal ArticleDOI

Hydroprocessing of a north gujarat crude oil blend

30 Jun 2001-Petroleum Science and Technology (Taylor & Francis Group)-Vol. 19, pp 535-545
TL;DR: In this article, a North Gujarat Crude oil (of Indian origin) in a light gas oil solution was carried out over a commercial hydrotreating catalyst at a temperature between 300 to 450°C and a pressure of 6.8 to 20 MPA in a laboratory reactor.
Abstract: Hydroprocessing of a North Gujarat Crude oil (of Indian Origin) in a light gas oil solution was carried out over a commercial hydrotreating catalyst at a temperature between 300 to 450°C and a pressure of 6.8 to 20 Mpa in a laboratory reactor. About 30 to 60% of the long residue (365° C + cut) in the solution is converted to light distillates. Simultaneous removal of sulfur, nitrogen, oxygen and metals took place in substantial quantities.
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Journal ArticleDOI
TL;DR: In this article, a four-lump model is proposed to describe the process of fluid catalytic cracking in which the deposition rate of coke on catalyst can be predicted from gas oil conversion and isolated from the C 1 − 4 gas yield.
Abstract: In the fluid catalytic cracking reactor heavy gas oil is cracked into more valuable lighter hydrocarbon products. The reactor input is a mixture of hydrocarbons which makes the reaction kinetics very complicated due to the involved reactions. In this paper, a four-lump model is proposed to describe the process. This model is different from others mainly in that the deposition rate of coke on catalyst can be predicted from gas oil conversion and isolated from the C1–C4 gas yield. This is important since coke supplies heat required for endothermic reactions occurring in the reactor. By this model we can also conclude that the C1–C4 gas yield increases with increasing reactor temperature, while production of gasoline and coke decreases.

149 citations

Journal ArticleDOI
TL;DR: Thesis (Ph.D.) as mentioned in this paper, Mass. Institute of Technology, Dept. of Chemical Engineering, 1980, Boston, Massachusetts, United States of America, USA, USA.
Abstract: Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1980.

106 citations