VPS tar separation

Details VPS tar separation VPS tar separation

2007-07-25

2011-12-27

Griffin, Walter D (Department: 1774)

Mineral oils: processes and products

Asphalts, tars, pitches and resins; making, treating and...

By distillation

C208S130000, C208S309000, C208S347000, C208S361000

Reexamination Certificate

active

08083930

ABSTRACT:
A process is described for producing deasphalted steam cracker tar comprising feeding steam cracker tar to a vacuum pipestill (VPS) including a flash zone separated from a zone comprising trays by at least one annular entrainment ring and obtaining as an overheads a deasphalted tar product and as a bottoms an asphaltenic heavy tar product. Also according to the invention, there is a system for the upgrading of tar comprising said VPS with at least one annular entrainment ring.

REFERENCES:
patent: 3413211 (1968-11-01), Becraft et al.
patent: 3501400 (1970-03-01), Brody
patent: 3617493 (1971-11-01), Wirth et al.
patent: 3622502 (1971-11-01), Mason et al.
patent: 3691058 (1972-09-01), Hamner et al.
patent: 3707459 (1972-12-01), Mason et al.
patent: 3941681 (1976-03-01), Saegusa et al.
patent: 3956101 (1976-05-01), Hara et al.
patent: 3998726 (1976-12-01), Bunas et al.
patent: 4086156 (1978-04-01), Dickakian
patent: 4140212 (1979-02-01), O'Blasny et al.
patent: 4207168 (1980-06-01), Simone
patent: 4219404 (1980-08-01), Dickakian
patent: 4261814 (1981-04-01), Pfeifer
patent: 4264334 (1981-04-01), Durand et al.
patent: 4309271 (1982-01-01), Dorner
patent: 4363715 (1982-12-01), Dickakian
patent: 4414095 (1983-11-01), Dickakian
patent: 4431512 (1984-02-01), Dickakian
patent: 4435274 (1984-03-01), Juguin et al.
patent: 4446002 (1984-05-01), Siegmund
patent: 4548704 (1985-10-01), Dickakian
patent: 4705618 (1987-11-01), Tsuchitani et al.
patent: 4721557 (1988-01-01), Staggs
patent: 4770747 (1988-09-01), Muller
patent: 5215649 (1993-06-01), Grenoble et al.
patent: 5358627 (1994-10-01), Mears et al.
patent: 5443715 (1995-08-01), Grenoble et al.
patent: 5489374 (1996-02-01), Romine et al.
patent: 5785860 (1998-07-01), Smith
patent: 5976361 (1999-11-01), Hood et al.
patent: 6241874 (2001-06-01), Wallace et al.
patent: 6533925 (2003-03-01), Wallace et al.
patent: 6632351 (2003-10-01), Ngan et al.
patent: 7311746 (2007-12-01), Stell et al.
patent: 7560020 (2009-07-01), Annamalai et al.
patent: 7713636 (2010-05-01), Song et al.
patent: 2004/0232047 (2004-11-01), Benazzi et al.
patent: 2005/0261530 (2005-11-01), Stell et al.
patent: 2006/0272982 (2006-12-01), Montanari et al.
patent: 2007/0007170 (2007-01-01), Strack et al.
patent: 2008/0116109 (2008-05-01), McCoy et al.
patent: 889974 (1981-01-01), None
patent: 1069846 (1980-01-01), None
patent: 3227490 (1987-07-01), None
patent: 0021708 (1981-01-01), None
patent: 0056338 (1982-07-01), None
patent: 0086607 (1983-08-01), None
patent: 0100198 (1984-02-01), None
patent: 0067581 (1985-11-01), None
patent: 0 250 136 (1987-12-01), None
patent: 0243509 (1990-08-01), None
patent: 0791040 (1997-08-01), None
patent: 2510133 (1983-01-01), None
patent: 1 298 098 (1972-11-01), None
patent: 2014605 (1979-08-01), None
patent: 1601644 (1981-11-01), None
patent: 2104544 (1983-03-01), None
patent: 52-81321 (1977-07-01), None
patent: 58-149991 (1983-09-01), None
patent: 61-98794 (1986-05-01), None
patent: 91/13951 (1991-09-01), None
patent: 91/17230 (1991-11-01), None
patent: 93/12200 (1993-06-01), None
patent: 2006/066857 (2006-06-01), None
Van Dongen et al.; “The Application of Gas/Liquid Cyclones in Oil Refining”; Jan. 1958; Transactions of the ASME; pp. 245-251.

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