公开(公告)号：US10166537B2

公开(公告)日：2019-01-01

申请号：US14794374

申请日：2015-07-08

Applicant: SHELL OIL COMPANY

Inventor： Rene Georges Ernst Barthel ,  Maria Johanna Wilhelmina Van Wieringen ,  Leonardus Maria Van Der Sman ,  László Domokos

IPC: B01J35/02 ,  B29C47/30 ,  B01J23/889 ,  B01J35/10 ,  B01J37/00 ,  B01J37/08 ,  C10G2/00 ,  B29C47/86 ,  B29C47/00 ,  B29C47/08 ,  B29B9/06 ,  B29C47/12 ,  B29B9/10 ,  B29B9/12 ,  B01J21/06 ,  B29K105/00

Abstract: A die is provided for extruding elongate particles suitable for use in catalysis. The die comprises a plurality of channels extending from an inlet to an outlet. From the inlet to the outlet each channel comprises a first section with a helical bore with a non-circular cross-section, and a second section with a cylindrical bore. The cylindrical bore of the second section which has a diameter equal or greater than that of the first section. The second section is at least twice as long as a diameter of the first section.