Guoqiang Wei

TL;DR: In this article, the influence of Co doping on the characteristics and the stabilities of perovskite-type oxides were investigated by means of X-ray diffraction (XRD), Xray photoelectron spectroscopy (XPS), hydrogen temperature-programmed reduction (H2-TPR), Brunauer-Emmett-Teller (BET) surface area and fixed-bed experiments.

TL;DR: In this paper, the synthesis of perovskite-type oxides was investigated by means of X-ray diffraction (XRD), scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET) surface area, temperature-programmed reduction (TPR), and Fourier transformed infrared spectroscopy (FTIR).

TL;DR: In this article, the effect of torrefaction severity on structure changes of hemicellulose, cellulose, lignin and their subsequent catalytic fast pyrolysis (CFP) behavior was performed in a tubular reactor with different reaction temperatures (210-300 °C) and residence times (20-60 min).

TL;DR: In this article, the authors considered a novel gasification technology called chemical looping gasification (CLG), where gas-phase oxygen of the gasifying medium can be replaced by lattice oxygen of an oxygen carrier.

TL;DR: In this paper, an optimal mass ratio of oxygen carrier to biomass char and a suitable amount of steam addition were determined for CLG of biomass char in a fixed-bed reactor.