Abstract
A novel CuAlOx/CNTs catalyst was prepared by facile one-step carbothermal reduction decomposition method and tested for low temperature selective catalytic reduction of NOx with NH3 (NH3-SCR). Resulting samples were characterized by XRD, FT-IR, XPS, H2-TPR, NOx-TPD and TEM techniques. As the results presented, more favourable formation of Cu+ active sites, better dispersion of active CuO species and higher surface adsorbed oxygen were constructed in CuAlOx/CNTs catalyst, which are crucial for excellent DeNOx activity. Meanwhile, the outstanding SO2/H2O tolerance was also obtained, indicating its potential practical value.
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