Patent · US Expired

Removal of oil from an oil in water emulsion

US4168229A · kind A · utility

13Cited by
11References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 19, 1977
Grant dateSep 18, 1979
Priority date
Expiry dateDec 19, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S210/05
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method for the removal of oil from an oil in water emulsion by contacting the emulsion with a fibrous structure and removing the coalesced oil droplets so formed the improvement being that the fibrous structure comprises inorganic fibers which, in the emulsion, have a positive zeta potential.

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