A Laser Application In Environmental Catalysis
FOURTH CONFERENCE IN OPTICS, ROMOPTO '94(1995)
摘要
CO2 reduction to CH4, by H2, can be achieved at room temperature over a NiO catalyst under laser irradiation. The H2 adsorption states on NiO surface, pre-irradiated and non-irradiated, were put in evidence by Temperature Programmed Desorption. A 248 nm KrF* excimer laser radiation was used to stimulate the filling of the room temperature H2 adsorption state, considered as the first step of the CO2 methanation mechanism.
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关键词
LASER IRRADIATION,ENVIRONMENTAL CATALYSIS,TPD (TEMPERATURE PROGRAMMED DESORPTION),CO2 REDUCTION,NIO,PHOTOCATALYSIS,METHANATION MECHANISM
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