Patent · US Expired

Fluidization promoters

US4225531A · kind A · utility

14Cited by
23References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 18, 1977
Grant dateSep 30, 1980
Priority date
Expiry dateMar 18, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S423/16
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The invention is directed to improving the quality of fluidization of fluidized solids and comprises the addition of fluidization promoters in particle form that have a smaller density and particle size than the neat solids. In a preferred embodiment of the invention the catalyst is a Fischer-Tropsch catalyst and the fluidization promoter comprises carbon particles.

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