Patent SG-11201805980W-A (SG)
Title: Purificaton of mercaptans or thiophenes using dividing wall column distillation
Inventor: SCHON STEVEN G
IPC: C10G35/04
Filed: 2017-01-19
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -, Organization 11111111011110111010101111101011111011101110101111110011111101111101111011111 International Bureau 0.. .... .. (10) International Publication Number (43) International Publication Date ..... ...r .....1 WO 2017/127508 Al 27 July 2017 (27.07.2017) WIPO I PCT (51) International Patent Classification: (74) Agents: BOYD, Steven D. et al.; Arkema Inc., 900 1st Av- BOW 3/14 (2006.01) ClOG 29/28 (2006.01) enue, King of Prussia, PA 19406 (US). BOLD 3/32 (2006.01) ClOG 35/04 (2006.01) ClOG 7/00 (2006.01) (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, (21) International Application Number: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, PCT/US2017/014077 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, (22) International Filing Date: HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, 19 January 2017 (19.01.2017) KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, (25) Filing Language: English MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, (26) Publication Language: English RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, (30) Priority Data: TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, 62/281,798 22 January 2016 (22.01.2016) US ZA, ZM, ZW. (71) Applicant: ARKEMA INC. [US/US]; 900 First Avenue, (84) Designated States (unless otherwise indicated, for every King of Prussia, PA 19406 (US). kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, (72) Inventors: SCHON, Steven G.; 454 Saunders Drive, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, Strafford, PA 19087 (US). AGUIAR, Rose; 8 Rue TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, Champlain, F-69330 Meysieu (FR). AMSTUTZ, Jerome; DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, — 40E Allee des Mesanges, F-69390 Charly (FR). CAUMIA, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, — Sylvie; 525 Chemin Morlanne, F-40360 Tilk (FR). GOD- SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, = DARD, Andrew R.; 1391 Shadow Oak Road, Malvern, GW, KM, ML, MR, NE, SN, TD, TG). PA 19355 (US). SHAH, Shashank N.; 156 Windermere =_ Avenue, Allentown, PA 18104 (US). SMITH, Gary S.; 7 Cardinal Lane, Collegeville, PA 19426 (US). = [Continued on next page] (54) Title: PURIFICATON OF MERCAPTANS OR THIOPHENES USING DIVIDING WALL COLUMN DISTILLATION - (57) : Aspects of the present invention re- _ FIG. 1 late to systems and processes for obtaining desired mercaptans or thiophenes from a feed stream con- = 152 taining a mixture of mercaptans, thiophenes and oth- 100 150 er components. In one aspect of the invention, a sys- 126 - ,.... 110 ----\_.( 156 0 tem for separating one or more components from a ,154 includes feed ----....- stream of mixed mercaptans one or = = — 148a ---\_— more distillation columns in connection with a feed mercaptans, the distillation stream containing = = = 140 ---) 122 -148b 142 130 146 column having a rectification section, a stripping section, and a feed side section separated from a side 118 draw section by a dividing wall that extends from the = rectification section to the stripping section. The dis- ...) tillation column further being in connection with a — 112 120 — i \--.... 124 116 condenser and a reboiler; and a distillate stream, a side drawn stream, and a bottoms stream. 162 160 1-1 128 GC 11 in IN 114 144 166 164 ei ,-1 IN ,-1 © ei O WO 2017/127508 Al MIDEDIMOMMIONOIDEMOMOHOMMIIMENVOIMIE Declarations under Rule 4.17: Published: — as to applicant's entitlement to apply for and be granted a patent (Rule 4.1700) — with international search report (Art. 21(3)) — as to the applicant's entitlement to claim the priority of the earlier application (Rule 4.17(iii))