Photocatalytic hydrogen production with purification of wastewater from nuclear power plant under irradiation of liquid phase plasma

摘要

Liquid phase plasma process was applied in production of hydrogen and purification of wastewater. Ethanolamine released from a nuclear power plant was degraded by photocatalytic decomposition using the liquid phase plasma with perovskite photocatalysts. Eu-doped CaTiO3 and Eu-doped SrAl2O4 perovskites were compared with that of commercial TiO2 photocatalyst. The photocatalytic decomposition of ethanolamine-contained water induced the degradation of ethanolamine and H-2 evolution, simultaneously. The degradation of ethanolamine and H-2 evolution were elevated on Eu-doped CaTiO3 perovskite which having less bandgap energy. The rate of H-2 evolution in the ethanolamine-containing water was higher than that in pure water, which was attributed to the additional H-2 evolution by the photo-decomposition of ethanolamine in water.