EP 1242341 A4 20041103 - PROCESSES FOR PREVENTING GENERATION OF HYDROGEN HALIDES IN AN OLIGOMERIZATION PRODUCT RECOVERY SYSTEM
Title (en)
PROCESSES FOR PREVENTING GENERATION OF HYDROGEN HALIDES IN AN OLIGOMERIZATION PRODUCT RECOVERY SYSTEM
Title (de)
VERFAHREN ZUR VERMEIDUNG VON HALOGENWASSERSTOFF-BILDUNG IN EINEM SYSTEM ZUR RÜCKGEWIINUNG VON OLIGOMERISATIONSPRODUKTEN
Title (fr)
PROCEDES PERMETTANT D'EVITER LA GENERATION D'HALOGENURES D'HYDROGENE DANS UN SYSTEME DE RECUPERATION DE PRODUITS D'OLIGOMERISATION
Publication
Application
Priority
- US 0035366 W 20001227
- US 47368899 A 19991229
Abstract (en)
[origin: WO0147839A1] The invention is an oligomerization process. A catalyst, a lower olefin, and a process medium are provided. The lower olefin is reacted in the presence of the catalyst to produce a product stream comprising a higher olefin product and a catalyst residue dispoersed in the process medium. The resulting product stream is treated with a quenching material. The quenching material can be an aliphatic primary amine, an aliphatic secondary amine, an alcohol, or a combination of those materials. Amine quenching materials have been found to generate few or no hydrogen halides when used to quench oligomerization catalysts. Alcohol quenching materials can generate hydrogen halides in use. This problem can be alleviated by treating the product stream with a stabilizing material that forms a stable hydrogen halide salt. Exemplary stabilizing materials include aliphatic amines, aromatic amines, and metal salts of amides, butoxides, or carboxylic acids.
IPC 1-7
IPC 8 full level
CPC (source: EP)
C07C 2/08 (2013.01); Y02P 20/582 (2015.11)
Citation (search report)
- [XXY] EP 0241596 A1 19871021 - IDEMITSU PETROCHEMICAL CO [JP]
- [XY] EP 0860411 A1 19980826 - INST FRANCAIS DU PETROLE [FR]
- [XY] US 5689028 A 19971118 - LASHIER MARK E [US], et al
- [XY] US 4486615 A 19841204 - LANGER JR ARTHUR W [US]
- [XY] US 5811619 A 19980922 - COMMEREUC DOMINIQUE [FR], et al
- See references of WO 0147839A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
WO 0147839 A1 20010705; AU 2600601 A 20010709; AU 773364 B2 20040520; CA 2392233 A1 20010705; CA 2392233 C 20061024; CN 1399620 A 20030226; EP 1242341 A1 20020925; EP 1242341 A4 20041103; GC 0000217 A 20060329; MX PA02005399 A 20021205; RU 2002120493 A 20040110; RU 2249585 C2 20050410; ZA 200203457 B 20031029
DOCDB simple family (application)
US 0035366 W 20001227; AU 2600601 A 20001227; CA 2392233 A 20001227; CN 00816222 A 20001227; EP 00989508 A 20001227; GC P20011121 A 20010106; MX PA02005399 A 20001227; RU 2002120493 A 20001227; ZA 200203457 A 20020430