Patent SG-11201403386P-A (SG)
Title: Process for the preparation of olefins
Inventor: SADASIVAN VIJAYAKUMARI SIVAKUMAR
IPC: C07C1/20
Filed: 2012-12-20
Abstract: (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau „ (10) International Publication Number (43) International Publication Date ^ ^ WO 2013/098200 A1 4 July 2013 (04.07.2013) WIPO I PCT (51) International Patent Classification: C07C1/20 (2006.01) (21) International Application Number: PCT/EP2012/076437 (22) International Filing Date: 20 December 2012 (20.12.2012) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 11195823.7 27 December 2011 (27.12.2011) EP (71) Applicant (for all designated States except US): SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. [NL/NL]; Carel van Bylandtlaan 30, NL-2596 HR The Hague (NL). (71) Applicant (for US only): SHELL OIL COMPANY [US/US]; PO Box 2463, One Shell Plaza, Houston, Texas 77252-2463 (US). (72) Inventors: SADASIVAN VIJAYAKUMARI, Sivaku- — mar; Grasweg 31, NL-1031 HW Amsterdam (NL). VAN WESTRENEN, Jeroen; Grasweg 31, NL-1031 HW Ams- terdam (NL). (74) Agent: MATTHEZING, Robert Maarten; PO Box 384, NL-2501 CJ The Hague (NL). (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, KM, 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, ML, MR, NE, SN, TD, TG). [Continued on next page] (54) Title: PROCESS FOR THE PREPARATION OF OLEFINS 64 o o CJ 00 0\ © en i-H o d o & (57) Abstract: A process for the preparation of an olefin product, which process comprises the steps of: a) converting a first oxygenate feedstock in an oxygenate-to-olefins conver­ sion system, comprising first reaction zone in a which a first oxygenate feedstock is contacted with a non- zeolitic oxygenate conversion catalyst under first oxygenate conversion con­ ditions, to obtain a first conversion effluent comprising lower olefins and heavy hydrocar­ bons; b) separating the first conversion efflu­ ent into a lower olefin stream and heavy a hy­ drocarbon stream; and c) feeding the heavy hy­ drocarbon stream to a separate reactor com­ prising a second reaction zone in which a second oxygenate feedstock is contacted with a second oxygenate conversion catalyst under second oxygenate conversion conditions, to obtain a second conversion effluent compris­ ing additional lower olefins. WO 2013/098200 A11 lllll llllllll II llllll III lllll lllll III III III lllll lllll lllll lllll lllll llll lllllll nil nil nil Declarations under Rule 4.17: Published: — as to applicant's entitlement to apply for and be granted — with international search report (Art. 21(3)) a patent (Rule 4.17(H))