Patent · US Active

Method for the recovery of ruthenium from used ruthenium oxide-containing catalysts

US7704469B2 · kind B2 · utility

1Cited by
1References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 21, 2006
Grant dateApr 27, 2010
Priority date
Expiry dateDec 21, 2026

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/584
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The invention relates to a process for recovering ruthenium from a used ruthenium-comprising catalyst which comprises ruthenium as ruthenium oxide on a support material which is sparingly soluble in mineral acid, which comprises the steps:

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