Surface characterization of sulfate, molybdate, and tungstate promoted TiO2-ZrO2 solid acid catalysts by XPS and other techniques
作者： Benjaram M Reddy , Pavani M Sreekanth , Yusuke Yamada , Qiang Xu , Tetsuhiko Kobayashi
DOI: 10.1016/S0926-860X(01)00982-6
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摘要: … The calcined TiO 2 -ZrO 2 binary oxide, X-ray amorphous at … The N 2 BET surface areas of various samples are shown in … , whereas the Lewis acid sites are electronically deficient Zr 4+ …
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