Patent · US Expired

In-situ catalyst replacement

US7638039B2 · kind B2 · utility

1Cited by
40References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 15, 2004
Grant dateDec 29, 2009
Priority date
Expiry dateApr 27, 2026

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2219/32296
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The present invention relates generally to catalysts and, in particular, relates to in-situ replacement of catalyst within a reactor. In an embodiment, the present invention comprises a method for the in-situ replacement of catalyst bodies in a catalytic reactor comprising removing catalyst bodies in-situ from at least one modularized section of a catalytic layer within a catalytic reactor and replacing the removed catalyst bodies in-situ with replacement bodies comprising catalytic function wherein at least 10% of the total catalyst bodies within the layer are replaced.

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