Integrated process for whole crude deasphalting and asphaltene u

Details Integrated process for whole crude deasphalting and asphaltene u Integrated process for whole crude deasphalting and asphaltene u

1991-04-16

1993-03-09

Morris, Theodore

Mineral oils: processes and products

Fractionation

Deasphalting

208 86, 208 92, 208347, 208 41, C10C 300, C10G 700, B01D 300

Patent

active

051924218

ABSTRACT:
Deasphalting heavy, asphaltic crudes before significant thermal treatment, even mild treatment which is inherent in, e.g., vacuum distillation, produces deasphalted whole crude with a reduced soluble metal content. This process is especially effective for preparing feedstocks for catalytic cracking units from heavy crudes containing large amounts of Ni and V which are porphyrin coordinated, and which are thermally unstable.

REFERENCES:
patent: 3637483 (1972-01-01), Carey
patent: 3975396 (1976-08-01), Bushnell et al.
patent: 4454023 (1984-06-01), Lutz
Metal Complexes in Fossil Fuels, R. H. Filby and Jan Branthauer, eds., 1986, pp. 220 and 222.
The Role of Trace Metals in Petroleum, T. F. Yen, "Chemical Aspects", pp. 23 & 25.
"Degradation of Metalloporphyrins in Heavy Oils Before and During Processing", Lillian Rankel, 1987, American Chemical Society, pp. 257-264.

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