Mineral oils: processes and products – Refining – Sulfur removal
Reexamination Certificate
2011-07-26
2011-07-26
Boyer, Randy (Department: 1771)
Mineral oils: processes and products
Refining
Sulfur removal
C205S696000
Reexamination Certificate
active
07985332
ABSTRACT:
The electrodesulfurization of heavy oil feedstreams is accomplished wherein a heavy oil feedstreams, along with hydrogen, is passed the cathode side of an electrochemical cell wherein the organically bound sulfur compounds in the heavy oil are reduced and the sulfur is released as hydrogen sulfide. The hydrogen sulfide can be fed directly into the anode side of the electrochemical cell to produce sulfur and hydrogen or it can be passed to an oxidation zone containing an aqueous solution of an oxidized metal salt.
REFERENCES:
patent: 1642624 (1927-09-01), Northrup
patent: 1998849 (1935-04-01), Schulze
patent: 2504058 (1950-04-01), Unschuld et al.
patent: 3409520 (1968-11-01), Bolmer
patent: 3546105 (1970-12-01), Jaffe
patent: 3788978 (1974-01-01), Bearden, Jr. et al.
patent: 3915819 (1975-10-01), Bell et al.
patent: 4043881 (1977-08-01), Yen et al.
patent: 4043885 (1977-08-01), Yen et al.
patent: 4045313 (1977-08-01), Yen et al.
patent: 4066739 (1978-01-01), Chen
patent: 4081337 (1978-03-01), Spitzer
patent: 4204923 (1980-05-01), Carpenter
patent: 4260394 (1981-04-01), Rich
patent: 4362610 (1982-12-01), Carpenter
patent: 4371307 (1983-02-01), Farha, Jr. et al.
patent: 4849094 (1989-07-01), Shmeleva et al.
patent: 4920015 (1990-04-01), Sammells
patent: 4954229 (1990-09-01), Kim et al.
patent: 5391278 (1995-02-01), Honna et al.
patent: 5514252 (1996-05-01), Kerby, Jr. et al.
patent: 5578189 (1996-11-01), Joshi
patent: 5879529 (1999-03-01), Greaney et al.
patent: 5935421 (1999-08-01), Brons et al.
patent: 6132590 (2000-10-01), Moran et al.
patent: 6238530 (2001-05-01), Yoshida et al.
patent: 6241871 (2001-06-01), Donini et al.
patent: 6274026 (2001-08-01), Schucker et al.
patent: 6338788 (2002-01-01), Schucker
patent: 6368495 (2002-04-01), Kocal et al.
patent: 6402940 (2002-06-01), Rappas
patent: 6497973 (2002-12-01), Amendola
patent: 6877556 (2005-04-01), Wittle et al.
patent: 7244351 (2007-07-01), Baez et al.
patent: 2003/0102123 (2003-06-01), Wittle et al.
patent: 2005/0161217 (2005-07-01), Wittle et al.
patent: 2006/0102523 (2006-05-01), Baez et al.
patent: 2006/0254930 (2006-11-01), Martinie et al.
patent: 2007/0108101 (2007-05-01), Baez et al.
patent: 2007/0175798 (2007-08-01), Fokema et al.
patent: 1699519 (2004-05-01), None
A. M. Aitani, M. F. Ali, H. H. Al-ALI; “A Review of non-conventional methods for the desulfurization of residual fuel oil,” Petroleum Science and Technology, 18(5&6), 537-553 (2000).
Cesar Ovalles, Iraima Rojas, Socrates Acevedo, Gaston Escobar, Gilberto Jorge, Luis B. Gutierrez, Alfredo Rincon, Benjamin Scharifker; “Upgrading of Orinoco Belt crude oil and its fractions by an electrochemical system in the presence of protonating agents,” Fuel Processing Technology 48 (1996) 159-172.
N. Ignat'Ev et al., New Ionic Liquids with Tris(Perfluoroalkyl)Trifluorophosphate (FAP) Anions, 126 J. Fluorine Chem., 1150-1159 (2005).
Bielenberg James R.
Greaney Mark A.
Hissong Douglas W.
Wang Kun
Bordelon Bruce M.
Boyer Randy
ExxonMobil Research and Engineering Company
LandOfFree
Electrodesulfurization of heavy oils using a divided... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Electrodesulfurization of heavy oils using a divided..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electrodesulfurization of heavy oils using a divided... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2708799