Nova Chemicals (international) S.a.

Nova Chemicals Inc.

Umesh Karnik

Sergio Alejandro Guillen-castellanos

Michael Ching-yuen Kwan

Peter Phung Minh Hoang

Victoria Ker

Mark Kelly

George Franklin Kingston

Vaclav G Zboril

Darwin Edward Kiel

Edward Christopher Foy

John Iatrou

Annette Lynn Burke

Sergio Alejandro Guillen-Castellanos

Vaclav George Zboril

Michael Ching-Yuen Kwan

A dual shear mixing element for use in a chemical reactor. The device may be used in processes where liquids of different temperatures need to be thoroughly mixed in a short period of time and solute must stay in solution. The present invention is particularly useful in the solution polymerization of polyolefins, especially in the medium pressure process for the preparation of linear low density polyethylene.

Polymerization process using a dual shear mixing element

A dual shear mixing element includes an auger and an impeller for use in a chemical reactor. The device may be used in processes where liquids of different temperatures need to be thoroughly mixed in a short period of time and solute must stay in solution. The present invention is particularly useful in the solution polymerization of polyolefins, especially in the medium pressure process for the preparation of linear low density polyethylene.

Mixing element for a chemical reactor

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Calgary, Canada

Umesh Karnik