Patent · US Expired

Process and apparatus for desalting crude petroleum

US4200550A · kind A · utility

17Cited by
1References
9Claims
0Family size

Assignees

Inventors

Key dates

Filing dateApr 19, 1978
Grant dateApr 29, 1980
Priority date
Expiry dateApr 19, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/0335
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A process for desalting crude petroleum comprises breaking down a stable emulsion of water and crude petroleum when formed in a desalter, by injecting a demulsifying agent, such as di-2-ethyl hexyl sulphosuccinate, into the desalter at a predetermined level, when the sample taken at this level contain a predetermined content of stable emulsion. An apparatus for carrying out this process continuously is also included.

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