Abstract:
The present invention relates to a method for the oligomerisation of ethylene, comprising the steps of: (i) oligomerising ethylene in a reactor in the presence of a solvent and a catalyst composition; (ii) discharging a catalyst composition containing outlet stream from the reactor; (iii) deactivating and extracting the catalyst composition with a polar phase, wherein the outlet stream and the polar phase are mixed in a dynamic mixing device having rotor and stator elements comprising concentric tool rings as well as to a reactor system therefore.
Abstract:
The present invention relates to a catalyst composition and a process for di-, tri- and/or tetramerization of ethylene, wherein the catalyst composition comprises a chromium compound, a ligand of the general structure (A) R1R2P -N(R3)-P(R4)-N(R5)-H or (B) R1R2P- N(R3-P(R4)-N(R5)-PR6R7, or any cyclic derivatives of (A) and (B), wherein at least one of the P or N atoms of the PNPN-unit or PNPNP -unit is member of a ring system, the ring system being formed from one or more constituent compounds of structures (A) or (B) by substitution and a co-catalyst or activator.
Abstract translation:本发明涉及一种催化剂组合物和乙烯二,三和/或四聚的方法,其中催化剂组合物包含铬化合物,通式结构的配体(A)R 1 R 2 P -N(R 3)-P (R4)-N(R5)-H或(B)R1R2P-N(R3-P(R4)-N(R5)-PR6R7或(A)和(B))的任何环状衍生物,其中至少一个 PNPN单元或PNPNP单元的P或N原子是环系的成员,环体系由一种或多种结构(A)或(B)的组成化合物通过取代和助催化剂或活化剂 。
Abstract:
The present invention relates to a method for oligomerization of ethylene to form linear alpha- olefins in an oligomerization reactor in the presence of solvent and catalyst, wherein a reaction product containing heavy molecular weight oligomers (HMWO) is discharged from the oligomerization reactor and is passed to and filtrated in a filtration unit, characterized in that the filtration residue of HMWO is removed from the filtration unit discontinuously via a discharge valve; and to a reactor system therefore.
Abstract:
The present invention relates to a method for removal of an organic amine from hydrocarbon stream containing the amine, comprising the steps of : - reacting the amine of the hydrocarbon stream containing the amine with an acid and forming an amine salt, and - extracting the amine-salt formed into an aqueous phase, wherein the hydrocarbon stream containing the amine is an outlet stream from a reactor for preparing linear alpha -olefins (LAO) by oligomerization of ethylene or a fraction of such an outlet stream, wherein the reactor contains a catalyst comprising a zirconium component and an organoaluminum component.
Abstract:
The present invention relates to a catalyst for oligomerization of ethylene, comprising a functionalized solid support; a ligand immobilized on the solid support by chemical bonding, wherein the immobilized ligand has, the structure (R1)(R2)P-N(R3)-P(R4)-Y-support or (R1)(R2)P-N(R3)-P(R4)-N(R5)-P(R6)-Y-support, wherein R1 R2, R3, R4, R5 and R6 are independently selected from aliphatic group, aryl group, amino group and trimethylsilyl group and Y is the functional group of the support or a derivative thereof; and a chromium compound reacted with the ligand.; and to a method for its preparation and a process for oligomerization of ethylene utilizing the catalyst.
Abstract:
The present invention relates to a catalyst composition and a process for di-, tri- and/or tetramerization of ethylene, wherein the catalyst composition comprises a chromium compound, a ligand of the general structure (A) R1R2P -N(R3)-P(R4)-N(R5)-H or (B) R1R2P- N(R3-P(R4)-N(R5)-PR6R7, or any cyclic derivatives of (A) and (B), wherein at least one of the P or N atoms of the PNPN-unit or PNPNP -unit is member of a ring system, the ring system being formed from one or more constituent compounds of structures (A) or (B) by substitution and a co-catalyst or activator.
Abstract translation:本发明涉及催化剂组合物和乙烯的二 - ,三 - 和/或四聚的方法,其中所述催化剂组合物包含铬化合物,通式结构(A)R 1 R 2 NP(R 3)-P (R)-N(R 5)-H或(B)R 1 R 2 P -N(R 3 -P(R 4)-N(R 5)-PR 6 R 7,或(A)和(B)的任何环状衍生物, PNPN-单元或PNPNP-单元的P或N原子是环体系的成员,所述环体系由结构(A)或(B)的一种或多种构成化合物通过取代和助催化剂或活化剂形成 。
Abstract:
The present invention relates to a catalyst composition and a process for di-, tri- and/or tetramerization of ethylene, wherein the catalyst composition comprises a chromium compound, a ligand of the general structure (A) R 1 R 2 P -N(R 3 )-P(R 4 )-N(R 5 )-H or (B) R 1 R 2 P- N(R 3 -P(R 4 )-N(R 5 )-PR 6 R 7 , or any cyclic derivatives of (A) and (B), wherein at least one of the P or N atoms of the PNPN-unit or PNPNP -unit is member of a ring system, the ring system being formed from one or more constituent compounds of structures (A) or (B) by substitution and a co-catalyst or activator.
Abstract:
The present invention relates to a method for the preparation of linear alpha-olefins by oligomerization of ethylene in a reactor in the presence of a catalyst and solvent, wherein an outlet stream from the reactor comprising the solvent, catalyst and linear alpha-olefins is heated by at least one heating means to a temperature to allow substantially all of the linear alpha-olefins to be dissolved and/or melted in the outlet stream; and a reactor system therefore.
Abstract:
The present invention relates to a bubble column reactor comprising a column reactor containing a lower 2-phase section and an upper gaseous phase section, characterized in that the reactor comprises a measurement device for measuring the level of 2-phase section in the column reactor, wherein the measurement device comprises an emitter and a detector for electromagnetic radiation which are positioned outside of the column reactor; and to a method for level measurement in such a reactor.
Abstract:
The present invention relates to a bubble column reactor comprising a column reactor having a sparger plate dividing the column reactor into a top reaction compartment and a bottom compartment, characterized in that an inlet and outlet line for introducing and disposing a flushing medium are connected to the bottom compartment; and an operation method thereof.