Patent SG-11201908106R-A (SG)
Title: Process for ethylene oligomerization to produce alpha-olefins
Inventor: WEI XU
IPC: C07C11/107
Filed: 2018-03-14
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 20 September 2018 (20.09.2018) WIP0 I PCT ill IIIIIl °mons onolo olomon loommovoimIE (10) International Publication Number WO 2018/170054 Al (51) International Patent Classification: C07C 2/08 (2006.01) CO7C 11/02 (2006.01) CO7C 2/10 (2006.01) CO7C 11/08 (2006.01) C07C 2/12 (2006.01) CO7C 11/107 (2006.01) (21) International Application Number: PCT/US2018/022328 (22) International Filing Date: 14 March 2018 (14.03.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/471,266 14 March 2017 (14.03.2017) US (71) Applicant: SAUDI ARABIAN OIL COMPANY [SA/SA]; 1 Eastern Avenue, Dhahran, 31311 (SA). (71) Applicant (for AG only): ARAMCO SERVICES COM- PANY [US/US]; 9009 West Loop South, Houston, TX 77096 (US). (72) Inventors: WEI, Xu; Chemicals R&d Labororatory at Kaust - Room 415, King Abdullah University of Science and Technology, Thuwal, 23955 (SA). SHAIK, Ka- reemuddin; Saudi Arabian Oil Company, P.O. Box 6449, Dhahran, 31311 (SA). ZHANG, Zhonglin; Saudi Arabi- an Oil Company, P.O. Box 8240, Dhahran, 31311 (SA). RIVERA, Rodrigo, Sandoval; P.O. Box 3362, 4700 Kaust, Thuwal, 23955 (SA). SHAIKH, Sohel; Saudi Arabian Oil Company, P.O. Box 12993, Dhahran, 31311 (SA). YAMI, Hussain; Chemicals R&d Laboratory at Kaust - Room 415, King Abdullah University of Science and Technology, Thuwal, 23955 (SA). (74) Agent: RHEBERGEN, Constance, Gall; Bracewell LLP, P.O. Box 61389, Houston, TX 77208-1389 (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, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, 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, SA, 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, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, W O 20 18/ 17 005 4 Al (54) Title: PROCESS FOR ETHYLENE OLIGOMERIZATION TO PRODUCE ALPHA-OLEFINS (57) : Described here are various processes for producing linear 100 alpha olefms using a heterogeneous catalytic composition in the reaction mixture. These processes include size- based or phase -based separation Feeding, to a reactor, an ethylene stream, a catalyst stream, and a recycled catalyst r — 102 stredm, thc catalyst and recycled catalyst bilIZMY containing a solid catalyst induding of the heterogeneous catalytic compositions from the product stream and an ethylene oligomedration catalyst and co-catalyst on a solid support recycling the unused catalytic compositions to the reaction mixture. Var- ious other embodiments may be disclosed and claimed. Forming in the reactor using the, olid catalyst, one or more linear alpha olefin oligomerization or ethylene Mom the ethylene strea m F Recmering, from the reactor, a first product stream including the linear alpha ole fi ns, r° 6 1 unreacted ethylene, spent catalyst, and usable catalyst p Recycling,to the reactor, a fraction of e first product stream from the reactor. r 108 F r Separating first product stream into a spent catalyst stream, the usable catalyst 110 At ding to the second product stream a catalyst deactivator to deactivate the solid Fr 112 catalyst in the second product stream to provide a deactivated solid catalyst Separating the second product stream into a third product stream and a residue eam, the third product stream including ethylene and the linear alpha olefins, the residue stream including the deactivated solid catalyst Raeoacring via fractionating of the third product stream at least one linear alpha r 116 olefin product stream FIG. 1 [Continued on next page] is j — 1 cut wherein the fraction of the first product stream is cooled stream, and a second product stream 114 WO 2018/170054 Al MIDEDIMOMOIDEIREEMOMMENIMEHEMOVOIMIE 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))