Patent · US Expired

Method of separating metals from catalyst material

US5084092A · kind A · utility

2Cited by

9References

6Claims

0Family size

Assignee

The British Petroleum Company p.l.c. · GB

Inventors

David Campbell · Austin, US
Nicholas P. Wilkinson · Weybridge, GB

Key dates

Filing date	Aug 16, 1988
Grant date	Jan 28, 1992
Priority date	—
Expiry date	Aug 16, 2008

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P10/20
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A method of separating metals from carbon-supported catalyst materials comprises the steps of combusting the carbon at a temperature insufficient to cause volatisation of the metal followed by reduction with hydrogen of any oxidised metal and washing with acid or water.

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