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Surface structures of nanoparticles (NPs) designed at the atomic level are vital to enhance the catalytic performance and stability of NPs. In this work, we report the engineering of plate-like and platelet-like BiVO4 NPs for the formation of heterojunctions with Bi2O3. The morphology and size of NPs were observed using scanning electron microscopy (SEM) and transmission electron microscopy (TEM)...
Wood particle conversion in a drop tube reactor was studied between 1000°C and 1400°C, both with experiments and simulations using a comprehensive model. Particular attention was paid to the influence of steam on the gasification process, and to the wood particle size. The model included a description of the different phenomena involved in biomass conversion: pyrolysis, gas phase reactions, soot formation...
Fast pyrolysis of wood was conducted in a drop tube furnace to study the influence of temperature (1000–1200–1400°C) and particle size (0.35–0.80mm) for a particle residence time of some seconds. No effect of particle size has been observed on final pyrolysis products. At 1000°C, much more gas and tar are produced than char (yield of 96% versus 4%); hydrocarbons, including light species and tar, present...
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