Production of stable low viscosity heating oil

Mineral oils: processes and products – Chemical conversion of hydrocarbons – Plural serial stages of chemical conversion

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208 72, 208106, 208126, 208127, 208130, 208251R, 208254R, C10G 5102

Patent

active

045043779

ABSTRACT:
This invention provides a two-stage visbreaking process for increasing the production of a visbroken hydrocarbon product from heavy oil feedstock, which meets heating oil viscosity specifications with little or no blending with external cutter stocks.
The second stage visbreaking is conducted at a relatively high Severity in contact with a fluidized bed of particulate solids.

REFERENCES:
patent: 3954599 (1976-05-01), Ooka
patent: 4017380 (1977-04-01), Byler et al.
patent: 4062757 (1977-12-01), Beuther et al.
patent: 4268375 (1981-05-01), Johnson et al.
patent: 4379747 (1983-04-01), Yan

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