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首页> 外文期刊>Journal of industrial and engineering chemistry >Development of Au/La_(1-x)Sr_xMnO3 nanocomposites for further application in a solid oxide fuel cell type reactor
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Development of Au/La_(1-x)Sr_xMnO3 nanocomposites for further application in a solid oxide fuel cell type reactor

机译:开发Au / La_(1-x)Sr_xMnO3纳米复合材料,进一步应用于固体氧化物燃料电池型反应堆

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摘要

Au/La_(1-x)Sr_xMnO3 (x≈0.4) was prepared by an ultrasound-driven technique at nanoscale. Physical morphology was characterised using XRD, TEM, BET and SEM-EDS, and its activity was tested in a fixed bed reactor at two different ratios of CH4/O2. A 79.6% CO selectivity and a 54.7% CH4 conversion were obtained at a low CH4/O2 ratio; however, at higher CH4/O2 ratios, the selectivity of C2 became significant. With the presence of Au, the CH4 conversion, H2 yield and C2 and CO selectivity were improved.
机译:通过超声驱动技术在纳米级制备Au / La_(1-x)Sr_xMnO3(x≈0.4)。使用XRD,TEM,BET和SEM-EDS对物理形态进行了表征,并在固定床反应器中以两种不同的CH4 / O2比例测试了其活性。在低CH4 / O2比下,CO的选择性为79.6%,CH4的转化率为54.7%;但是,在较高的CH4 / O2比下,C2的选择性变得很重要。在金的存在下,CH4转化率,H2收率以及C2和CO的选择性得到了改善。

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