我国硫化氢清洁处理技术取得新突破

Core Viewpoint - The research team from the Dalian Institute of Chemical Physics has developed a new technology for the complete decomposition of hydrogen sulfide, which addresses environmental and health hazards associated with this toxic compound [1][3]. Group 1: Technology Development - The "Off-site Electrocatalytic Complete Decomposition of Hydrogen Sulfide to Hydrogen and Sulfur Technology" has successfully solved the scaling-up issues in the engineering process [1]. - This technology utilizes a new reaction mode that separates chemical reactions from charge transfer, allowing for the oxidation of hydrogen sulfide to sulfur and proton reduction to hydrogen to occur outside the electrode [2]. Group 2: Industrial Application - An industrial demonstration project has been launched in the coal chemical industry, capable of eliminating and utilizing 100,000 cubic meters of hydrogen sulfide per year [4]. - The project features four technological innovations, including a high-efficiency electrochemical cell, a high conversion and efficient separation system, and recovery technologies for high-quality sulfur and high-purity hydrogen [6]. Group 3: Environmental and Economic Impact - The technology provides a key green transition solution for industries such as natural gas, petrochemicals, and coal chemicals, supporting the development of high-sulfur hydrogen sulfide resources and low-carbon industrial growth [3]. - It contributes to China's dual carbon goals by offering a new pathway for the complete elimination and resource utilization of hydrogen sulfide, enhancing both environmental protection and economic benefits [7].