Nova Chemicals (international) S.a.

Nova Chemicals Inc.

Nova Chemicals S.a.

Xiaoliang Gao

Vasily Simanzhenkov

David Jeffrey Sullivan

Marie Annette Barnes

Yoonhee Kim

Leonid Modestovich Kustov

Elena Dmitrievna Finashina

Aleksey Victorovich Kucherov

Hanna Drag

Stephen John Brown

Lee Douglas Henderson

Qinyan Wang

Charles Ashton Garret Carter

Rupert Edward Von Haken Spence

Yipei Styles

P Scott Chisholm

Peter Phung Minh Hoang

Edward Christopher Foy

Matthew Gerald Kowalchuk

Peter Zoricak

Shahin Goodarznia

Darryl Morrison

Charles Carter

Wei Xu

Cheng Fan

Renee Laurel Anseeuw

Daryll G Harrison

Linda Koch

Ian Ronald Jobe

Ian Douglas McKay

Douglas W Stephan

Robert D Donaldson

Elena Sebastiao

Claire Jeannine Ennis

Stacy David Ross Johnston

John McMeeking

James T Goettel

Dusan Jeremic

Kamal Elias Serhal

Andrzej Z Krzywicki

Benjamin Milton Shaw

Janelle Smiley-Wiens

Patrick Drew Evans

Jessie Leighton

Brian Molloy

Cliff Baar

Bolaji Olayiwola

Isam Jaber

David Gent

Holly Ann Severin

Frederick Chiu

Perry De Wit

Liangyou Fan

Daisy Cruz-milette

Billy Santos

Zhiwei He

Amy Marie Jones

Alexandra Kalivoda

Chia Yun Chang

Alva Woo

Rupert Edward Spence

Kamal Serhal

Billy Gaspar Santos

Ian Mckay

John Mcmeeking

David Sullivan

Marie Barnes

Charles Ashton Carter

Cliff Robert Baar

Peter P Hoang

Darryl J Morrison

James Goettel

Ian R Jobe

Lee D Henderson

Holly Severin

Aleksey Kucherov

Elena Finashina

Jia Mo

Peter Phung Hoang

Provided in this disclosure are zirconium and hafnium complexes that contain 1) a cyclopentadienyl ligand; 2) an adamantyl-phosphinimine ligand; and 3) at least one other ligand. The use of such a complex, in combination with an activator, as an olefin polymerization catalyst is demonstrated. The catalysts are effective for the copolymerization of ethylene with an alpha olefin (such as 1-butene, 1-hexene, or 1-octene).

Cyclopentadienyl/adamantyl phosphinimine zirconium and hafnium complexes

Provided in this disclosure are titanium complexes that contain 1) a cyclopentadienyl ligand; 2) an adamantyl-phosphinimine ligand; and 3) at least one activatable ligand. The use of such a complex, in combination with an activator, as an olefin polymerization catalyst is demonstrated. The catalysts are effective for the copolymerization of ethylene with an alpha olefin (such as 1-butene, 1-hexene or 1-octene) and enable the production of high molecular weight copolymers (Mw greater than 25,000) at high productivity under solution polymerization conditions.

Cyclopentadienyl/adamantyl phosphinimine titanium complexes

A method of converting one or more alkanes to one or more alkenes that includes providing a first stream containing one or more alkanes and oxygen to an oxidative dehydrogenation reactor; converting at least a portion of the one or more alkanes to one or more alkenes in the oxidative dehydrogenation reactor to provide a second stream exiting the oxidative dehydrogenation reactor containing one or more alkanes, one or more alkenes, and one or more of oxygen, carbon monoxide and acetylene; and providing the second stream to a second reactor containing a catalyst that includes CuO and ZnO and reacting the second stream to provide a third stream exiting the second reactor containing one or more alkanes, one or more alkenes, and lower or undetectable levels of oxygen and acetylene compared to the second stream.

Removal of carbon monoxide, oxygen and acetylene from an oxidative dehydrogenation process

Organometallic complexes are described which are useful as pre-polymerization catalysts which may form part of olefin polymerization catalyst systems. The catalyst systems find use in the polymerization of ethylene, optionally with one or more Calpha-olefin comonomers. The organometallic complexes are broadly represented by formula I: wherein L is a bridging group containing a contiguous chain of atoms connecting P with Cy, wherein the contiguous chain contains 2 or 3 atoms and wherein Cy is a cyclopentadienyl-type ligand. The olefin polymerization catalyst system is effective at polymerizing ethylene with alpha-olefins in a solution phase polymerization process at high temperatures and produces ethylene copolymers with high molecular weight and high degrees of alpha-olefin incorporation. Pre-metallation compounds, metallation processes and synthetic methods to make the organometallic complexes as well as polymerization processes are also described.

Organometallic complex, olefin polymerization catalyst system and polymerization process

Mixed metal oxide catalysts having an amorphous content of not less than 40 wt. % are prepared by calcining the catalyst precursor fully or partially enclosed by a porous material having a melting temperature greater than 600° C. in an inert container including heating the catalyst precursor at a rate from 0.5 to 10° C. per minute from room temperature to a temperature from 370° C. to 540° C. under a stream of pre heated gas chosen from steam and inert gas and mixtures thereof at a pressure of greater than or equal to 1 psig having a temperature from 300° C. to 540° C. and holding the catalyst precursor at that temperature for at least 2 hours and cooling the catalyst precursor to room temperature.

Calcination process to produce enhanced ODH catalyst

The oxidative dehydrogenation of ethane comprises contacting a mixture of ethane and oxygen in an ODH reactor with an ODH catalyst under conditions that promote oxidation of ethane into ethylene. Conditions within the reactor are controlled by the operator and include, but are not limited to, parameters such as 5 temperature, pressure, and flow rate. Conditions will vary and can be optimized for a specific catalyst, or whether an inert diluent is used in the mixing of the reactants. Disclosed herein is a catalyst consisting of: MoWVTeFeNbOwhere X is determined by the valance of the metals.

ODH catalyst formulations

This document relates to oxidative dehydrogenation catalyst materials that include molybdenum, vanadium, oxygen, and iron; oxidative dehydrogenation catalyst materials that include molybdenum, vanadium, oxygen, and aluminum; and oxidative dehydrogenation catalyst materials that include molybdenum, vanadium, oxygen, iron, and aluminum.

Molybdenum-vanadium-iron- and/or molybdenum-vanadium-aluminium-based oxidative dehydrogenation catalyst materials

Provided in this disclosure are catalyst compositions. The catalyst compositions include an oxidative dehydrogenation catalyst that includes a mixed metal oxide having the empirical formula:MoVTeNbAlOwherein c is from 0 to 2.0 and d is a number to satisfy the valence of the oxide. The compositions are at least 40 wt. % amorphous as measured by XRD. The disclosure also provides methods of making the compositions.

Oxidative dehydrogenation catalyst compositions

Oxidative dehydrogenation catalysts for converting lower paraffins to alkenes such as ethane to ethylene when prepared as an agglomeration, for example extruded with supports comprising slurries of NbO.

Agglomerated ODH catalyst

A catalyst for oxidative dehydrogenation (ODH) of ethane with an empirical formula Mo&#x2014;V&#x2014;Te&#x2014;Nb&#x2014;Pd&#x2014;O produced using a process comprising impregnation of the Pd component on the surface of the catalyst following a calcination step using a Pd compound free of halogens. The resulting catalyst can be used in both diluted and undiluted ODH processes and shows higher than expected activity without any loss of selectivity.

Catalyst for ethane ODH

Mixed metal oxide catalysts having an amorphous content of not less than 40 wt. % are prepared by calcining the catalyst precursor fully or partially enclosed by a porous material having a melting temperature greater than 600&#xb0; C. in an inert container including heating the catalyst precursor at a rate from 0.5 to 10&#xb0; C. per minute from room temperature to a temperature from 370&#xb0; C. to 540&#xb0; C. under a stream of pre heated gas chosen from steam and inert gas and mixtures thereof at a pressure of greater than or equal to 1 psig having a temperature from 300&#xb0; C. to 540&#xb0; C. and holding the catalyst precursor at that temperature for at least 2 hours and cooling the catalyst precursor to room temperature.

Oxidative dehydrogenation catalysts comprising MoVNbTeO having improved consistency of composition and a 25% conversion of ethylene at less than 420&#xb0; C. and a selectivity to ethylene above 95% are prepared by treating the catalyst precursor with HOin an amount equivalent to 0.30-2.8 mL HOof a 30% solution per gram of catalyst precursor prior to calcining and treating the resulting catalyst with the equivalent amount of peroxide after calcining.

Double peroxide treatment of oxidative dehydrogenation catalyst

This document relates to oxidative dehydrogenation catalysts that include molybdenum, vanadium, and oxygen.

Catalysts for the oxidative dehydrogenation of alkanes

A method of converting one or more alkanes to one or more alkenes that includes a) providing a first stream containing one or more alkanes and oxygen to an oxidative dehydrogenation reactor; b) converting at least a portion of the one or more alkanes to one or more alkenes in the oxidative dehydrogenation reactor to provide a second stream exiting the oxidative dehydrogenation reactor containing one or more alkanes, one or more alkenes, oxygen, carbon monoxide and optionally acetylene; and c) providing the second stream to a second reactor containing a catalyst that includes a group 11 metal to convert a least a portion of the carbon monoxide to carbon dioxide and reacting the acetylene.

Mitigating oxygen, carbon dioxide and/or acetylene output from an ODH process

Growing community of inventors

Calgary, Canada

Xiaoliang Gao