Patent · US Expired

Sulfur removal

US5516421A · kind A · utility

9Cited by

8References

29Claims

0Family size

Inventors

Warren E. Brown · Hercules, US
Dennis L. Holtermann · Crockett, US
John V. Heyse · Crockett, US

Key dates

Filing date	Aug 17, 1994
Grant date	May 14, 1996
Priority date	—
Expiry date	Aug 17, 2014

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10G35/04
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A process for reducing the amount of down time or yield loss associated with a sulfur upset when using a sulfur-sensitive catalyst. The process comprises applying a metallic coat, cladding, plating or paint to a reactor system which comprises a base metal, so as to form an adherent metallic layer on the base metal and thereby produce a metal-coated reactor system; loading a sulfur-sensitive catalyst into the system; and, after a sulfur upset, using a process comprising sulfur stripping to remove sulfur contaminants from the metal-coated reactor system.

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