Patent · US Expired

Method of manufacturing adsorbents

US4491609A · kind A · utility

66Cited by

2References

6Claims

0Family size

Assignee

Bergwerksverband GmbH · DE

Inventors

Josef Degel · Hattingen, DE
Klaus Henning · Usingen, DE
Jurgen Klein · Essen, DE
Klaus Wybrands · Bochum, DE

Key dates

Filing date	Aug 3, 1983
Grant date	Jan 1, 1985
Priority date	—
Expiry date	Aug 3, 2003

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J20/20
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A carbonaceous adsorbent impreganted with elementary sulfur is produced by mixing the adsorbent with elementary sulfur in a quantity required for the desired impregnation, heating the mixture to a temperature between 120.degree. and 300.degree. C., maintaining this temperature over a time period of between 1 and 40 hours, and then cooling the mixture.

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