Abstract
The addition of ZnO or ZrO2 into CuO/HZSM-5 was investigated for DME synthesis from syngas by using the reactive frontal chromatography method, TPR and in situ TPR. These promoters enhanced the catalytic activity of Cu/HZSM-5 and promotion with ZnO and ZrO2 produced a maximum activity, which could be explained by the improvement of the dispersion of Cu and the promotion of CuO reduction. The Cu+ species existing during the reaction have been detected, based on which a Cu0 ↔ Cu+1 redox cycle model was put forward.
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Jia, M., Li, W., Xu, H. et al. The Effect of Additives on Cu/HZSM-5 Catalyst for DME Synthesis. Catalysis Letters 84, 31–35 (2002). https://doi.org/10.1023/A:1021064231695
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DOI: https://doi.org/10.1023/A:1021064231695