Method for control of visbreaker severity

Details Method for control of visbreaker severity Method for control of visbreaker severity

1989-07-28

1990-05-29

McFarlane, Anthony

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208DIG1, 436 60, C10G 900

Patent

active

049293354

ABSTRACT:
A method for assaying incompatible sediment in a blended heavy fuel oil is provided. The method is based on measuring total light absorption at 1600 nanometers wavelength, for example, of two or more samples blended to different viscosities, at least one such sample being at specification viscosity. The method may be used to control visbreaker severity so as to reduce the large ERT safety margin commonly used by refiners.

REFERENCES:
patent: 3733476 (1973-05-01), Hopkins et al.
patent: 3751229 (1973-08-01), Bajek et al.
patent: 3759820 (1973-09-01), Boyd
patent: 4615791 (1986-10-01), Choi et al.
patent: 4673486 (1987-06-01), Orihashi et al.
patent: 4698313 (1987-10-01), Stewart
patent: 4846958 (1989-07-01), Feldman et al.

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