Patent · US Active

Process for reducing the hydrogen sulphide content in non-gaseous sulphur compositions using a zinc-based scavenger

US11267705B2 · kind B2 · utility

0Cited by

2References

15Claims

0Family size

Assignee

SHELL OIL COMPNY · US

Inventors

Helen Jayne Davies · Frodsham, GB
Dawid John D'MELO · Bengaluru, IN
Reginald Lambert · Swan Hills, CA

Key dates

Filing date	Jul 20, 2017
Grant date	Mar 8, 2022
Priority date	—
Expiry date	Jan 11, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01G9/08
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A process for reducing the hydrogen sulphide content in a composition containing or consisting of hydrogen sulphide and non-gaseous elemental sulphur, comprising contacting the composition with a scavenger, wherein the scavenger is chosen from the group consisting of zinc oxide, zinc carbonate, zinc hydroxy carbonate or a combination of two or more of these.

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