期刊
CHEMICAL ENGINEERING & TECHNOLOGY
卷 38, 期 8, 页码 1380-1386出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ceat.201400668
关键词
Chromium-free catalyst; Fe2O3; Nanostructure; Promoters; Water-gas shift reaction
资金
- National Petrochemical Company, Research and Technology Company (NPC-RT)
Promoted Fe2O3-Al2O3-CuO (FAC) chromium-free catalysts were prepared for high-temperature water-gas shift reactions and characterized by X-ray diffraction (XRD), Brunauer-Emmett-Teller method (BET), temperature-programmed reduction (TPR), and transmission electron microscopy (TEM) techniques. The catalytic results revealed that among the investigated promoted catalysts with Ce, La, Zn, Y, and Mn as promoters, the Mn-promoted sample showed higher activity compared to the other promoted catalysts. Increasing the Mn content improved the surface area and catalytic activity. The FAC catalyst promoted with a high Mn content exhibited maximum activity and relatively high stability in high-temperature water-gas shift reaction.
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