Gasification of Glucose in the Reactor CREC-Riser Simulator: Stable Ni-(La or Ce)/g-Alumina Catalysts and Effect of Reaction Time and Steam/Glucose

摘要

The gradual depletion of fossil fuels requires the development of alternative technologies such as biomass gasification [1]. Gasification involves a complex network of heterogeneous reactions, with the use of catalysts which significantly enhance the gasification reaction network. Nickel catalysts have been reported as active for methane and heavy hydrocarbon conversion[2]. Biomass gasification may require a new class of fluidizable catalytic materials to achieve the desired syngas composition with minimum amounts of tars. To accomplish this, a 5wt% nickel catalyst supported on fluidizable g-Al2O3 is proposed in the present study. Furthermore, the influence of lanthanum and cerium as added promoters, is also examined. Catalysts are synthesized using a direct reduction method without catalyst precursor calcination. Various prepared fluidizable catalysts are evaluated by changing the operating parameters such as reaction time and steam/glucose ratio.