Technological Innovation丨Hanqi Environment's New Waste Ethylene Caustic Resource Recovery Technology Granted National Invention Patent

Date:2025-09-11

Recently, Hanqi Environment's "Control System and Method for Generating Thiosulfate from Sulfide" was granted a national invention patent. This technology offers an innovative resource recovery solution for treating waste ethylene caustic liquid, enabling efficient and automated conversion of sulfides into high-value thiosulfate products. It effectively transforms highly polluted waste into reusable resources.

The technology aligns closely with the industry's core goals of "reducing pollution and carbon emissions while enhancing synergy," promoting a shift from end-of-pipe treatment to in-process resource recovery—truly turning waste into treasure.

Its widespread application is expected to significantly cut pollutant emissions while delivering substantial economic and environmental benefits for enterprises.