Patent · US Expired

Method and means for separating gasiform materials from finely divided catalyst particles

US4043899A · kind A · utility

42Cited by
7References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 27, 1976
Grant dateAug 23, 1977
Priority date
Expiry dateFeb 27, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P30/20
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Catalyst and hydrocarbon vapors are separated in a cyclone attached to the discharge of a riser cracking operation. The cyclone is modified to include a separate cyclonic stripping of catalyst separated from hydrocarbon vapors.

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