Linde Aktiengesellschaft

Saudi Basic Industries Corporation

Sabic Global Technologies B.v.

Gst Systeme, Gesellschaft Fur Abscheide-und Steuertechnik Mbh

Linde Gmbh

Müller, Bernd H.

Heinz Bölt

Wolfgang Müller

Anina Wöhl

Andreas Meiswinkel

Fuad Mosa

Peter M Fritz

Mohammed Hassan Al-Hazmi

Normen Peulecke

Uwe Rosenthal

Shahid Azam

Bernd H Müller

Marco Harff

Florian Winkler

Anton Wellenhofer

Vugar O Aliyev

Richard Schneider

Talal Ali

Abdullah Al-Qahtani

Abdullah Alqahtani

Marko Hapke

Ralf Noack

Stephan Peitz

Dafer Mubarak Alshahrani

Abdulmajeed Mohammed Al-Hamdan

Tobias Meier

Helmut Fritz

Shehzada Khurram

Hans-Jörg Zander

Karl-Heinz Hofmann

Sultan Eid Al-Otaibi

Abduljelil Iliyas

Sebastian Muschelknautz

Anina Woehl

Abdullah Saad Al-Dughaither

Sebastiano Licciulli

Bhaskar Reddy Aluri

Mohammed Zahoor

Carsten Taube

Bernd Muller

Andreas Metzner

Bernd H Muller

Atieh Abu-Raqabah

Wolfgang Peter Mueller

Atieh Aburaqabah

Volker Göke

Christian Thaller

Sultan Al-Otaibe

Syriac Palackal

Bernd H Mueller

Hans-Jorg Zander

Holger Hackner

Franz Walser

Gabriel Waurick

Andre Porebski

Lars-Erik Gärtner

Hans-Jorge Zander

Ayed Al-Ayed

Andreas Meiswinkle

Mohammed Al-Masned

Khalid Al-Eidan

Karl-Heinz Hoffman

Markus Köhler

Abdullah Al-Dugathier

Anton Kirzinger

Stefan Glanz

Abdullah Saad Al-Dughaiter

Axel Schoneborn

Mohammed H Al-hazmi

Fuad Mousa

Wolfgang Mueller

Peter Matthias Fritz

Normen N Peulecke

Bashkar Reddy Aluri

Marco Haff

Vugar Aliyev

Lars-Erik Gartner

Anina WÖHL

Abdullah Mohammed Al-Qahtani

Bernd MÜLLER

Shahid Majeed Azam

Peter Fritz

Shahid Khurram

Sebastian Muschelknantz

Wolfgang MÜLLER

Wofgang Müller

Aliyev Vugar

Fuad Mohammed Mosa

Fuat Mosa

Atieh Saudi Basic Industries Corp Aburaqabah

Mohammed Saudi Basic Industries Corp Zahoor

A method for preparing a homogenous catalyst for the production of linear alpha olefins includes: preparing a first pre-catalyst solution comprising a modifier and an organoaluminum compound in a first solvent wherein the first pre-catalyst solution is reacted and stored in a first vessel for a period of time of 1 hour to 90 days; preparing a second pre-catalyst solution comprising a second solvent, a ligand, and a chromium containing compound, wherein the second pre-catalyst solution is stored in a second vessel for a period of time of 1 hour to 90 days; and after a period of time, adding the first pre-catalyst solution to a catalyst pre-formation unit; after the same period of time, adding the second pre-catalyst solution to the catalyst pre-formation unit; forming a homogenous catalyst by mixing the first pre-catalyst solution and the second pre-catalyst solution; adding the homogeneous catalyst to a reaction vessel, wherein the reaction vessel comprises an alpha olefin; and forming the linear alpha olefin by mixing the homogeneous catalyst and the homogenous catalyst.

Method for preparation of homogenous catalyst for selective 1-hexene production

A method for preparing a homogenous catalyst for use in preparing a linear alpha olefin includes: preparing a first pre-catalyst solution by mixing a chromium source and a ligand in a first solvent, wherein the first pre-catalyst solution is stored in a first vessel; preparing a second pre-catalyst solution by mixing an organoaluminum compound and a modifier in a second solvent, wherein the second pre-catalyst solution is stored in a second vessel; and simultaneously feeding the first pre-catalyst solution and the second pre-catalyst solution directly into a reaction vessel, wherein the reaction vessel includes a third solvent.

Method for preparation of a catalyst solution for selective 1-hexene production

A method of column control includes: passing a feed stream and a make-up stream through a column; withdrawing an overhead fraction from the column; purging at least a portion of the overhead fraction; cooling at least a portion of the overhead fraction in a heat exchanger and passing it through a reflux drum; withdrawing a purge stream and a distillate stream from the reflux drum, wherein the distillate stream has a constant flow rate; recycling at least a portion of the distillate stream back to the column; and passing at least a portion of the distillate stream to a downstream process.

Method of column control

The present invention relates to a method for preparing a catalyst composition for the oligomerization of ethylene and a respective catalyst composition pre-formation unit.

Method for preparing a catalyst composition for oligomerization of ethylene and respective catalyst composition pre-formation unit

A method for processing an oligomerization product stream includes discharging the oligomerization product stream from an oligomerization reactor through a product outlet line, and heating the oligomerization product stream, heating a wall of the product outlet line, or both. The oligomerization product stream includes solvent, linear alpha olefins, a polymer byproduct, or a combination of at least one of the foregoing. The heating is to a temperature that is greater than the melting temperature of the polymer byproduct present in the oligomerization product stream.

Method for processing an oligomerization product stream

The present invention relates to a catalyst composition and a process for the oligomerization of ethylene to produce 1-hexene or 1-octene, wherein the catalyst composition comprises a chromium compound; an NPNPN ligand of the formula (R) (R)N&#x2014;P(R)&#x2014;N(R)&#x2014;P(R)&#x2014;N(R)(R), wherein R, R, R, R, R, Rand Rare each independently hydrogen, halogen, amino, trimethylsilyl or C-Chydrocarbyl, preferably straight-chain or branched C-Calkyl, phenyl, C-Caryl or C-Calkyl-substituted phenyl.

Catalyst composition and process for oligomerization of ethylene to produce 1-hexene and/or 1-octene

A process for deactivation of an olefin oligomerization catalyst is described, including contacting a catalyst composition with a catalyst quenching medium to form a deactivated catalyst composition, and recovering excess catalyst quenching medium. The catalyst quenching medium includes an alcohol having at least 6 carbon atoms, an organic amine, an amino alcohol, or a combination comprising at least one of the foregoing. The catalyst quenching medium is present in a molar ratio of catalyst quenching medium to catalyst of at least 3:1. A process for the oligomerization of an olefin is also described, including feeding the olefin, a solvent, and a catalyst composition into a reactor, oligomerizing the olefin in the reactor to form a reaction product stream including linear alpha olefins, solvent, and the catalyst composition, and contacting the reaction product stream with a catalyst quenching medium.

Process for deactivation of an olefin oligomerization catalyst

The present invention relates to a process for the oligomerization of ethylene, comprising: a) oligomerization of ethylene in a reactor in the presence of solvent and catalyst; b) transferring reactor overhead effluent to an externally located cooling device and recycling condensed effluent into the reactor; c) transferring the reactor bottom effluent to a series of fractionation columns and, in the following order, i) optionally separating a Cfraction, ii) separating a Cfraction, iii) simultaneously separating Cand Cfractions and recycling thereof into the reactor , and iv) separating residues comprising &#x2265;Cfractions, spent catalyst polymer material and quench media, from the process, wherein the solvent is separated in any of the steps i)-iv)and/or in an additional step.

Process for oligomerization of ethylene

The present invention relates to a method for oligomerization of ethylene, comprising the steps:

Method for oligomerization of ethylene

The present invention relates to a method for preparing linear alpha-olefins (LAO) by oligomerization of ethylene in the presence of solvent and homogenous catalyst, comprising the steps of: (i) feeding ethylene, solvent and catalyst into an oligomerization reactor, (ii) oligomerizing the ethylene in the reactor, (iii) removing a reactor outlet stream comprising solvent, linear alpha-olefins, ethylene, and catalyst from the reactor via a reactor outlet piping system, (iv) transferring the reactor outlet stream to a catalyst deactivation and removal step, and (v) deactivating and removing the catalyst from the reactor outlet stream, characterized in that at least one organic amine is added into the oligomerization reactor and/or into the reactor outlet piping system.

Method for preparing linear alpha-olefins

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 RRP&#x2014;N(R)&#x2014;P(R)&#x2014;N(R)&#x2014;PRR, or any cyclic derivatives thereof, wherein at least one of the P or N atoms of the PNPNP-unit is member of a ring system, the ring system being formed from one or more constituent compounds of the ligand by substitution, and a co-catalyst or activator.

Catalyst composition and process for di-, tri- and/or tetramerization of ethylene

A process for oligomerization of ethylene, comprising subjecting a catalyst composition to a gas phase of ethylene and conducting an oligomerization, wherein the catalyst composition comprises (a) a chromium compound, (b) a metalated ligand, and (c) an activator or cocatalyst; and catalyst composition as well as a metalated ligand.

Metalated ligand, catalyst composition, and use thereof in the oligomerization of ethylene

The present invention relates to a method for purification of a hydrocarbon stream containing linear alpha olefins, isomers thereof and at least one organic amine, the linear alpha olefins, isomers and the amine having boiling points under atmospheric pressure which differ by at most 5&#xb0; C., comprising the step of removing a major amount of the organic amine from the hydrocarbon stream by distillation, wherein the distillation is carried out to that, together with the amine, between 5% and 95 wt % of the isomers, based on the total amount of the isomers in the hydrocarbon stream, are removed from the hydrocarbon stream in an amine/isomer-rich fraction.

Method for purification of a hydrocarbon stream containing olefin and amine

The present invention relates to a method for purifying a crude PNPNH compound by metalation and re-protonation.

Method for purifying a crude PNPNH compound

A method for purifying a crude PNPNH compound of the general structureRRP&#x2014;N(R)&#x2014;P(R)&#x2014;N(R)&#x2014;Hwherein R, R, R, Rand Rare independently halogen, amino, trimethylsilyl, C-C-alkyl, substituted C-C-alkyl, C-C-aryl and substituted C-C-aryl, or any cyclic derivative wherein at least one of the P or N atoms of the PNPN&#x2014;H structure is a member of a ring system, the ring system being formed from one or more constituent compounds of the PNPNH-structure by substitution, the method comprising the steps: A. a) dissolving the crude PNPNH-compound in a C-Calcohol or mixture thereof under heating; b) cooling the solution obtained in step a), c) precipitating the PNPNH compound, separating and optionally drying, or B. (i) washing the crude PNPNH compound with C-Calcohol or a mixture thereof, (ii) separating the PNPNH compound and optionally drying thereof.

Growing community of inventors

Wolfratshausen, Germany

Heinz Bölt