The hydrogenation of CO_(2)to methanol,which is restricted by water products,requires a selective removal of water from the reaction system.Here,we show that physically combining hydrophobic polydivinylbenzene with a ...The hydrogenation of CO_(2)to methanol,which is restricted by water products,requires a selective removal of water from the reaction system.Here,we show that physically combining hydrophobic polydivinylbenzene with a copper catalyst supported by silica can increase methanol production and CO_(2)conversion.Mechanistic investigation reveals that the hydrophobic promoter could hinder the oxidation of copper surface by water,maintaining a small fraction of metallic copper species on the copper surface with abundant Cu^(δ+),resulting in high activity for the hydrogenation.Such a physically mixed catalyst survives the continuous test for 100 h owing to the thermal stability of the polydivinylbenzene promoter.展开更多
基金supported by the National Key Research and Development Program of China(2022YFA1503502)the National Natural Science Foundation of China(22288101,22241801,U21B20101,and 22102142).
文摘The hydrogenation of CO_(2)to methanol,which is restricted by water products,requires a selective removal of water from the reaction system.Here,we show that physically combining hydrophobic polydivinylbenzene with a copper catalyst supported by silica can increase methanol production and CO_(2)conversion.Mechanistic investigation reveals that the hydrophobic promoter could hinder the oxidation of copper surface by water,maintaining a small fraction of metallic copper species on the copper surface with abundant Cu^(δ+),resulting in high activity for the hydrogenation.Such a physically mixed catalyst survives the continuous test for 100 h owing to the thermal stability of the polydivinylbenzene promoter.
