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Chinese scientists created a compact, efficient system turning toxic hydrogen sulfide into clean hydrogen and pure sulfur, with a pilot plant eliminating nearly all emissions.
Chinese scientists have developed a new method to convert toxic hydrogen sulfide waste gas into clean hydrogen fuel and high-purity sulfur, overcoming key limitations of older technologies.
The "off-field electrocatalysis" process, led by Academician Li Can, prevents clogging and operates efficiently at room temperature, producing hydrogen at 99.999% purity and sulfur at over 99.95% purity.
A pilot plant in Xinxiang, Henan, ran continuously for over 1,000 hours, eliminating nearly all hydrogen sulfide emissions.
The compact system uses 20% less space than conventional plants, enabling easy integration into existing industrial sites.
Experts say the technology could supply up to 40% of China’s planned green hydrogen output by 2030, supporting national environmental and energy goals.
Científicos chinos crearon un sistema compacto y eficiente que convierte el sulfuro de hidrógeno tóxico en hidrógeno limpio y azufre puro, con una planta piloto que elimina casi todas las emisiones.