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Two series of supported Co-based catalysts were prepared using a facile co-impregnation method. The catalysts were examined in a fixed bed for their ability to selectively convert syngas into higher alcohols. Co–Cu and Co–CeO2−x sites have an excellent synergistic effect, which could terminate the growth of the carbon chain effectively for the synthesis of alcohols. Furthermore, the Co–CeO2−x site...
In this paper, the influence of density ratio on the atomization of liquid droplets under highly unstable conditions is numerically investigated with a coupled volume-of-fluid and level-set method. By employing the adaptive mesh refinement technique, the computational cost is significantly reduced and good agreements with experimental measurements on both the morphology and trajectory of droplets...
In-situ laser-absorption measurements of CO, CO2, CH4 and H2O were demonstrated in the synthesis gas products of coal gasification (here called syngas) from an engineering-scale transport reactor. A wavelength-scanned, wavelength-modulation spectroscopy scheme was used to counter environmental challenges including severe loss in transmitted light intensity due to particulate scattering and beam steering...
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