Patent · US Expired

Method of regenerating mercury adsorption means

US5460643A · kind A · utility

83Cited by

12References

6Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Wolfgang Hasenpusch · Hanau, DE
Harald Wetterich · Overath, DE

Key dates

Filing date	Jan 26, 1994
Grant date	Oct 24, 1995
Priority date	—
Expiry date	Jan 26, 2014

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J20/3483
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Ceramic particles impregnated with silver nitrate for adsorbing mercury from waste gases can be regenerated and reused if the mercury is distilled off at 600.degree. to 900.degree. C. and the ceramic particles are subsequently impregnated with nitric acid.

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