H from 天·(a)cH(g)+2O()→Cg)+3H(g) 然 Ni catalyst ( synthesis gas合成气) 气」·(b)CO(g)+H2Og)→CO2(g)+H2(g) Fe/Cu catalyst 煤·C()+H2Og)→CO(g)+3H2(g)(水煤气) 2H2O(①)→2H2(g)+O2()(光解?) (电解) Zn(s)+ 2HCI(ag- Zn cl(ag+H2(g) (实验室)
H2 from ? • (a) CH4 (g) + H2O(g) → CO(g) +3H2 (g) – Ni catalyst (synthesis gas合成气) • (b) CO(g) + H2O(g) → CO2 (g) + H2 (g) Fe/Cu catalyst • C(s) + H2O(g) → CO(g) +3H2 (g) (水煤气) • 2H2O(l) → 2H2 (g) + O2 (g) (光解?) (电解) • Zn(s) + 2HCl(aq) → ZnCl2 (aq) + H2 (g) (实验室) 天 然 气 煤
Direct splitting of water under visible light irradiation with an oxide semiconductor photocatalyst ZHIGANG ZOU JINHUA YE. KAZUHIRO SAYAMA HIRONORIARAKAWA Nature 414, 625-627 December 6, 2001) The semiconducting material (blue) and metal (green electrode are immersed in water Under light irradiation, photoexcited electrons reduce water to give H2, whereas the cOz electron vacancies oxidize water to O. Zou et al. have doped an indium-tantalum H2o oxide with nickel, and find H2O that this material absorbs light in the visible spectrum, Photosynthesis Semiconductor-electrolyte cell Photovoltaic device an advance over previous photocatalysts
Direct splitting of water under visible light irradiation with an oxide semiconductor photocatalyst ZHIGANG ZOU, JINHUA YE, KAZUHIRO SAYAMA & HIRONORI ARAKAWA Nature 414, 625 - 627 (December 6, 2001) The semiconducting material (blue) and metal (green) electrode are immersed in water. Under light irradiation, photoexcited electrons reduce water to give H2 , whereas the electron vacancies oxidize water to O2 . Zou et al. have doped an indium–tantalumoxide with nickel, and find that this material absorbs light in the visible spectrum, an advance over previous photocatalysts
Tube to add acid H2( Acid Water Zinc
Application of H2 laber process to ammonia(1.5X108Kg/y 2H2(g)+CO(g)→CH3OH( ·Cu2(aq)+H2(g)→Cu(s)+2H+(aq)(冶金) H+.c=c CC.(氢化)
Application of H2 • Haber process to ammonia (1.5×108 Kg / y) • 2H2 (g) + CO(g) → CH3OH(l) • Cu2+(aq) + H2 (g) → Cu(s) + 2H+ (aq) (冶金) • H2 + …C=C… → …C-C… (氢化)
原料 冶金 HNO3 CHOH M [M(NH3)6] M Feed-stock Metal production M O HO C=CH Margarine Fertilizers 人造黄油 plastics HXCh Fuel 肥料 NHAⅩ HaNNH Fuel cell rocket fuel 燃料
燃料 人造黄油 冶金 肥料 原料