UV photo scavenging of hydrogen sulfide

A UV-assisted photocatalytic method using TiO2 oxidizes hydrogen sulfide into elemental sulfur and water, addressing inefficiencies and environmental risks of traditional methods, achieving efficient and eco-friendly hydrogen sulfide removal.

WO2025122403A1PCT designated stage expired Publication Date: 2025-06-12CONOCOPHILLIPS CO
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Patent Information

Application Number
PCT/US2024/057846
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-12-04
Filing Date
2024-11-27
Publication Date
2025-06-12

AI Technical Summary

Technical Problem

Existing methods for removing hydrogen sulfide (H2S) from gas streams are inefficient and pose environmental risks due to the use of chemical oxidants that generate harmful by-products.

Method used

A photocatalytic process using UV light and titanium dioxide (TiO2) to oxidize hydrogen sulfide into elemental sulfur and water, minimizing the use of chemical oxidants and reducing environmental impact.

Benefits of technology

The process effectively converts hydrogen sulfide into environmentally benign products, enhancing removal efficiency while minimizing harmful by-products and operational costs.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The disclosure provides a system for removal of hydrogen sulfide from oil and gas by the reaction of H2S with hydrocarbons in the presence of a UV light source to produce easy to remove organosulfur compounds.
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Description

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Claims

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Citation Information

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