Chem. J. Chinese Universities ›› 2000, Vol. 21 ›› Issue (S1): 289.
• Chemistry in Materials Sciences • Previous Articles Next Articles
LI Wei-Bin, YANG Xu-Fei, MA Hong, WANG Hong
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The work was supported by National Science Foundation of China (NO. 29907003) and Cao-Guang-Biao High-tech Foundation of Tsinghua Univesity.
Abstract:
Nitric oxides (NOx) storage catalyst[1] provides an alternative route for abatement of NO in presence of oxygen by first adsorbing NOx and then desorbing it by temperature swing or pressure swing. YBa2Cu3Oy[2] and Mn-Zr mixed oxides[3] were reported to have large NOx adsorption capacity, but the former suffered from a great amount of coexisting CO2 gases. The author previously reported that high NOx adsorption capacity could be obtained on Ce modified TiO2-pillared montmorillonite without deactivation by CO2[1]. Microemulsion method was reported to be effective to control particle sizes and microstructures of the metal oxides[4]. In this paper, a thermal stable ZrO2 with high surface area was prepared in water-in-oil microemulsion, and NOx adsorption capacity was tested on the above ZrO2 sample after impregnating with manganese nitrate and cerium nitrate.
TrendMD:
LI Wei-Bin, YANG Xu-Fei, MA Hong, WANG Hong. Reversible Adsorption of NOx on ZrO2-supported CeO2 Prepared in Water-in-oil Microemulsion[J]. Chem. J. Chinese Universities, 2000, 21(S1): 289.
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