Patent · US Active

Converted FCC bubbling bed regenerator

US7744744B1 · kind B1 · utility

5Cited by
9References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 30, 2005
Grant dateJun 29, 2010
Priority date
Expiry dateApr 18, 2029

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J37/04
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An apparatus and process for regenerating cracking catalyst may include a regenerator, a distributor penetrating the bottom of the regenerator, a spent catalyst conduit, a return standpipe, and a recirculating standpipe, wherein the return standpipe and the recirculating standpipe are connected to the upper half of the regenerator. An apparatus for regenerating cracking catalyst may include a spent catalyst standpipe and a recirculation standpipe positioned on an inner side of the regenerator vessel.

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