Patent · US Expired

Process of regenerating solid catalysts

US6066586A · kind A · utility

2Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 22, 1997
Grant dateMay 23, 2000
Priority date
Expiry dateAug 22, 2017

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J38/04
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A process of regenerating catalysts is carried out by removing precipitates of carbonaceous materials from the catalyst. This process comprises contacting a deteriorated catalyst with a nitrogen oxide gas or a nitrogen oxide-containing gas at a temperature ranging between 200.degree. C. and 800.degree. C.

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