Process and apparatus for the fractional distillation of...

Mineral oils: processes and products – Fractionation – Distillation

Reexamination Certificate

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C208S355000, C196S046000, C196S112000, C196S123000, C034S315000, C034S321000, C405S128800, C528S483000

Reexamination Certificate

active

10381579

ABSTRACT:
A process for the fractional distillation of crude oil, which comprises the steps of: feeding a continuous current of crude oil at 310–400° C. into a turbomixer comprising a tubular cylindrical body (1) provided with a rotor (9) formed with helically oriented paddles (10) and rotatably supported inside the body, along with a continuous current of steam; subjecting both currents to the mechanical action of the paddled rotor (9), so as to create a thin tubular dynamic turbulent layer, which is discharged and fed continuously into a fractioning column, at a predetermined height level in the column, to produce an upward-flowing vapor current and a downward-flowing liquid current therein; and optionally discharging the downward-flowing liquid current continuously from the column bottom, and feeding it continuously into the turbomixer in the same direction as the crude oil current.

REFERENCES:
patent: 1944877 (1934-01-01), Darlington
patent: 3310487 (1967-03-01), Johnson et al.
patent: 5962763 (1999-10-01), Cossee et al.
patent: 6048960 (2000-04-01), Cerea
patent: 6551026 (2003-04-01), Cerea
patent: 6757987 (2004-07-01), Cerea
patent: 0 728 728 (1996-08-01), None
patent: 2 277 611 (1976-02-01), None
patent: 2 065 472 (1996-08-01), None

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