Super selective hollow fibre membranes

Shilton, Simon James (2003) Super selective hollow fibre membranes. 6521025.

Abstract

A hollow fibre membrane has an active layer (2) in which elongate polymer molecules (3) are longitudinally aligned essentially parallel to the extrusion direction to thereby define a plurality of spaced free volume cavities (4) which are particularly numerous and are essentially regularly spaced to provide enhanced selectivity when used in gas separation. The hollow fibre membrane is manufactured using a dry/wet phase separation process by spinning a dope composition which is extruded through a spinneret (12) having an annulus or annular orifice (16) together with a bore-forming fluid or coagulant. The dope composition has a power law index of less than 1 (unity) and the bore coagulant has a water activity of less than 1 (unity).

ORCID iDs

Shilton, Simon James ORCID: https://orcid.org/0000-0001-5287-1834

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• Item metadata

  Item type:	Patent
  ID code:	34533
  Dates:	Date Event 18 February 2003 Published
  Keywords:	super selective, hollow fibre membranes, Chemical engineering
  Subjects:	Technology > Chemical engineering
  Department:	Faculty of Engineering > Chemical and Process Engineering
  Depositing user:	Pure Administrator
  Date deposited:	23 Nov 2011 16:43
  Last modified:	18 Jan 2023 12:05
  URI:	https://strathprints.strath.ac.uk/id/eprint/34533