Podrojkova, Natalia; Patera, Jan; Popescu, Radian; Skoviera, Jan; Orinakova, Renata; Orinak, Andrej published the artcile< Pyrolysis Degradation of Cellulose over Highly Effective ZnO and ZnO-CuO Nanocatalysts>, Recommanded Product: But-3-en-1-ol, the main research area is zinc copper oxide nanocatalyst cellulose pyrolysis degradation.
Pyrolysis of lignocellulosic biomass with the use of appropriative catalysts can lead to the production of high yields of fuels – bio-oils. Here, zinc oxide – copper oxide (ZnO-CuO) nanocatalysts were synthesized by solvothermal synthesis. High-angle annular dark-field imaging scanning transmission electron microscopy (HAADF-STEM), high-resolution transmission electron microscopy (HRTEM), and energy-dispersive X-ray spectroscopy (EDXS) results suggested that ZnO-CuO nanoparticles (D=23±5 nm) exhibit porous nanostructure. The pyrolytic degradation of cellulose using pyrolysis-gas chromatog.-mass spectrometry (Py-GC/MS) unit has been studied over ZnO and ZnO-CuO nanocatalysts at the temperature range 400-800 °C. The activation energy of ZnO-CuO (67.21 and 70.04 kJ/mol) was lower by 30 kJ/mol from the activation energy of clean ZnO and the calculated rate constants showed that the cellulose pyrolytic reaction is faster using ZnO-CuO catalyst. Nanoporous ZnO-CuO shifted the products maximum towards lower temperatures (< 500 °C), reduced the content of aldehydes at 400-500 °C and enhanced the overall product composition and bio-oil yield. Porous structure of ZnO nanocatalysts had a significant effect on the product selectivity and reaction mechanism of cellulose pyrolysis. ChemistrySelect published new progress about Acids Role: TEM (Technical or Engineered Material Use), USES (Uses). 627-27-0 belongs to class alcohols-buliding-blocks, and the molecular formula is C4H8O, Recommanded Product: But-3-en-1-ol.
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