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(19)

(11)

2 458 031

(13)

(51)

IPC

C07C2/08(2006-01-01)

C08F6/02(2006-01-01)

C07C11/02(2006-01-01)

C07C7/10(2006-01-01)

B01J19/18(2006-01-01)

C07C2/34(2006-01-01)

C07C7/20(2006-01-01)

(21) (22)

Application

2010131191/04, 2008-12-18

(24)

Start date

2008-12-18

(22)

Actual filing date

2008-12-18

(45)

Published

2012-08-10

(72)

Inventor

Mjuller Vol'FgangFritts Peter M.Bel'T KhajntsVellenkhofer AntonMajsvinkel' AndreasTaube KarstenShnajder RikhardVinkler FlorianFritts Khel'MutKhofmann Karl-KhajntsZander Gans-JorgUl'Brikh PeterSegatts JanMoza FuadAl'-Khazmi MokhammedAl'-Tajujan AbdulaAl'-Musned Mokhammed

(73)

Holder

Saudi Bejsik Indastriz Korporejshn

ETHYLYENE OLIGOMERISATION METHOD AND REACTOR SYSTEM THEREFOR Russian patent published in 2012 - IPC C07C2/08 C08F6/02 C07C11/02 C07C7/10 B01J19/18 C07C2/34 C07C7/20

Abstract RU 2458031 C2

FIELD: chemistry.

SUBSTANCE: present invention relates to an ethylene oligomerisation method. The method involves the following steps: (i) oligomerisation of ethylene in a reactor in the presence of a solvent and a catalyst composition; (ii) outlet of a product stream containing the catalyst composition from the reactor; (iii) deactivation and extraction of the catalyst composition with a polar phase, wherein the product stream and the polar phase are mixed in a dynamic mixer having a rotor and a stator, having concentric operating rings which are cut and/or bored radially, wherein the annular gap lies in the range from 0.1 to 5 mm. The invention also relates to a reactor system for realising said method.

EFFECT: present invention enables to easily and quickly deactivate and extract a catalyst composition from an organic product stream of an oligomerisation reactor.

8 cl

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RU 2 458 031 C2

Authors

Mjuller Vol'Fgang

Fritts Peter M.

Bel'T Khajnts

Vellenkhofer Anton

Majsvinkel' Andreas

Taube Karsten

Shnajder Rikhard

Vinkler Florian

Fritts Khel'Mut

Khofmann Karl-Khajnts

Zander Gans-Jorg

Ul'Brikh Peter

Segatts Jan

Moza Fuad

Al'-Khazmi Mokhammed

Al'-Tajujan Abdula

Al'-Musned Mokhammed

Dates

2012-08-10—Published

2008-12-18—Filed