Patent SG-11201407308W-A (SG)
Title: Process for removing sulfur compounds from vacuum gas oil
Inventor: MEZZA BECKAY J
IPC: C10G21/24
Filed: 2013-06-11
Abstract: (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 3 January 2014 (03.01.2014) WIPOIPCT (10) International Publication Number WO 2014/004076 A1 (51) International Patent Classification: C10G 21/12 (2006.01) C07C 7/10 (2006.01) C10G 21/24 (2006.01) (21) International Application Number: (22) International Filing Date: (25) Filing Language: (26) Publication Language: PCT/US2013/045157 11 June 2013 (11.06.2013) English (30) Priority Data: 61/666,047 13/899,670 29 June 2012 (29.06.2012) 22 May 2013 (22.05.2013) English US US (71) Applicant: UOP LLC [US/US]; 25 East Algonquin Road, P. O. Box 5017, Des Plaines, Illinois 60017-5017 (US). (72) Inventors: MEZZA, Beckay J.; UOP LLC, 25 East Al­ gonquin Road, P. O. Box 5017, Des Plaines, Illinois 60017-5017 (US). BHATTACHARYYA, Alakananda; UOP LLC, 25 East Algonquin Road, P. O. Box 5017, Des Plaines, Illinois 60017-5017 (US). NICHOLAS, Chris­ topher P.; UOP LLC, 25 East Algonquin Road, P. O. Box 5017, Des Plaines, Illinois 60017-5017 (US). WANG, Haiyan; UOP LLC, 25 East Algonquin Road, P. O. Box 5017, Des Plaines, Illinois 60017-5017 (US). (74) Agent: GOLDBERG, Mark; UOP LLC, 25 East Algon­ quin Road, P. O. Box 5017, Des Plaines, Illinois 60017- 5017 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available)'. AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available)'. ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3)) — before the expiration of the time limit for amending the claims and to be republished in the event of receipt of amendments (Rule 48.2(h)) (54) Title: PROCESS FOR REMOVING SULFUR COMPOUNDS FROM VACUUM GAS OIL l> o •t o o o CJ o & 200 400 Nitrogen in feed, wt-ppm - tributylethylphosphonium diethylphosphate tributyldecylphosphonium chloride A tributylethylphosphonium diethyl phosphate + trihexyltetradecylphospho nium bromide 600 (57) Abstract: A process for removing sulfur a compound from low nitrogen content vacuum a gas oil feed includes contacting the low nitrogen content vacuum gas oil feed comprising the sulfur compound with a VGO-immiscible phosphonium ionic liquid to pro - duce a vacuum gas oil and VGO-immiscible phosphonium ionic liquid mixture, and separating the mixture to produce vacuum a gas oil effluent having a reduced sulfur compound content relative to the vacuum gas oil feed. It was found that the amount of the sulfur compound being removed was significantly improved by treating a low nitrogen content vacuum gas oil. The low nitrogen content and especially low level of a polar nitrogen compounds increases the amount of sulfur compounds that can be removed.