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In this study, the influence of pyrolysis temperature (T) in the range of 200-900??C on the characteristics of porosity in biomass chars was investigated. The samples were characterized by N2 isothermal adsorption/desorption method and scanning electron microscopy (SEM). The results indicated that pyrolysis temperature had a notable impact on the pore structure and morphology of biomass char. Between...
CuO/gamma-Al2O3 granular catalysts were synthesized by the sol-gel method. Performance of the CuO/gamma-Al2O3 catalysts for the selective catalytic reduction (SCR) was explored in a fixed bed adsorption system. The optimum temperature ranges for SCR of NO over the fresh CuO/gamma-Al2O3 catalyst are 250~450degC. The maximum activity maintains near to 99% at 350degC. The operating temperature range...
The structure evolution of maize straw (MS) particles during pyrolysis was studied. The samples were characterized by ultimate analysis, Fourier transform infrared spectroscopy (FTIR), true density measurement and N2 isothermal adsorption/desorption method. The H/C and O/C atomic ratios decreased from 1.59 and 0.84 in the raw MS to 0.21 and 0.33 at 1173 K respectively, which implied that the char...
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