Dry reforming of methane with La1-X A X NiO3 and LaNi1-X B X O3 (A: Ce or Pr and B: Co or Mg) perovskites as catalysts precursors
作者： Catherine Batiot-Dupeyrat , Joël Barrault , Fanor Mondragon , Carlos Daza , Rafael Molina
DOI:
关键词: Chemistry 、 Nitrate 、 Catalysis 、 Carbon dioxide reforming 、 Nuclear chemistry 、 Calcination 、 Redox 、 Methane 、 Alloy
摘要: Perovskite-type LaNiO3 was synthesized by four different methods: autocombustion, sol-gel, calcination of nitrate and freeze-drying. The catalyst that presented the highest activity in terms conversion CH4 CO2 to H2/CO obtained from perovskites autocombustion method. Co-containing catalysts showed less than those with only Ni. This decrease attributed formation Co-Ni alloy. Mg-substituted a carbonaceous deposits due probably increased basicity catalysts. greatest resistance accumulation observed on containing Ce Pr, which is redox properties oxides (PrYOX CeYOX) facilitate gasification formed during reaction.
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