Patent · US Expired

Regeneration method of catalysts

US4425255A · kind A · utility

27Cited by
3References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 13, 1982
Grant dateJan 10, 1984
Priority date
Expiry dateMay 13, 2002

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J23/92
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method for regenerating a catalyst containing molybdenum as an active component comprising subjecting a catalyst, which has been deactivated through the use for a reaction, with or without a molybdenum source added thereto, to a heat treatment in a reducing gas atmosphere under specific temperature conditions and then subjecting same to a further heat treatment in a gaseous atmosphere containing molecular oxygen and at specific temperature conditions.

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