Patent · US Expired

Centrifugation system using static layer

US4983157A · kind A · utility

61Cited by
14References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 13, 1989
Grant dateJan 8, 1991
Priority date
Expiry dateApr 13, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F1/385
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An improved method and system are provided for centrifugally separating a suspended colloidal phase. The method in accordance with a preferred embodiment of the invention involves filling a spinning centrifuge bowl with a fluid medium distinct from the suspension, so that a static zone of liquid forms in the bowl, and then introducing the suspension into the bowl in a feed location concentrically inside of the static zone.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.