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1. (WO2019067237) METHOD AND SYSTEM FOR LIGHT OLEFIN SEPARATION
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Pub. No.: WO/2019/067237 International Application No.: PCT/US2018/051083
Publication Date: 04.04.2019 International Filing Date: 14.09.2018
IPC:
C07C 7/04 (2006.01) ,C07C 7/144 (2006.01) ,C07C 11/02 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
7
Purification, separation or stabilisation of hydrocarbons; Use of additives
04
by distillation
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
7
Purification, separation or stabilisation of hydrocarbons; Use of additives
144
using membranes, e.g. selective permeation
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
11
Acyclic unsaturated hydrocarbons
02
Alkenes
Applicants:
UOP LLC [US/US]; UOP LLC 25 East Algonquin Road P. O. Box 5017 Des Plaines, Illinois 60017-5017, US
Inventors:
LIU, Chunqing; US
ZHOU, Lubo; US
FREY, Stanley J; US
WERBA, Gregory; US
LISKEY, Carl W; US
ALBO, Simon E; US
PHAM, Trung; US
Agent:
ROMANO, Ashley E; US
Priority Data:
62/566,42730.09.2017US
Title (EN) METHOD AND SYSTEM FOR LIGHT OLEFIN SEPARATION
(FR) PROCÉDÉ ET SYSTÈME DE SÉPARATION D'OLÉFINES LÉGÈRES
Abstract:
(EN) A process is provided for separation of light olefins and paraffins and particular for the separation of propylene and propane comprising sending at least one olefin/paraffin stream to a distillation column and a membrane unit to produce an olefin stream comprising at least 92 mol% olefin. In an embodiment of the invention where the membrane unit is placed downstream from the column which can produce propylene streams at polymer grade of over 99.5 mol% propylene.
(FR) L'invention concerne un procédé pour la séparation d'oléfines légères et de paraffines, et en particulier pour la séparation de propylène et de propane, comprenant l'envoi d'au moins un flux d'oléfine/paraffine à une colonne de distillation et une unité membranaire pour produire un flux d'oléfine comprenant au moins 92 % en moles d'oléfine. Selon un mode de réalisation de l'invention, l'unité membranaire est placée en aval de la colonne produisant des flux de propylène à une qualité de polymère supérieure à 99,5 % en moles de propylène.
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Designated States: 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
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)