Super acid catalyst SO 2-4/ZrO2 was introduced in pure silicone MCM-41 by macerating method and characterized by XRD, IR and Py-IR. The selectively catalytic gas phase flow reaction of benzene and propene over the cat...Super acid catalyst SO 2-4/ZrO2 was introduced in pure silicone MCM-41 by macerating method and characterized by XRD, IR and Py-IR. The selectively catalytic gas phase flow reaction of benzene and propene over the catalysts was tested. The result show that the SO 2-4/ZrO2-MCM-41（SZM-41） can be used as a catalyst for the title reaction and has a high catalytic activity under some conditions.展开更多
Highly active solid superacid catalysts for n-butane isomerization, SZ/A1_2O_3-P, were prepared by supporting SO-(4-2)/ZrO2, (SZ) on y-A1_2O_3 carrier using a precipitation method. The activities of some catalysts wer...Highly active solid superacid catalysts for n-butane isomerization, SZ/A1_2O_3-P, were prepared by supporting SO-(4-2)/ZrO2, (SZ) on y-A1_2O_3 carrier using a precipitation method. The activities of some catalysts were enhanced significantly j The activity of the most active sample. 60%SZ/Al_2O3-P, was even about 2 times more active than that of the SZ catalyst.展开更多
Superfine Mo/ZrO_2 catalysts were prepared for partial oxidation of methane to HCHO and characterized by BET, XRD, LRS, H2-TPR and XPS. Mo existed mainly in the form of Zr(MoO4)2, and the catalytic performance and phy...Superfine Mo/ZrO_2 catalysts were prepared for partial oxidation of methane to HCHO and characterized by BET, XRD, LRS, H2-TPR and XPS. Mo existed mainly in the form of Zr(MoO4)2, and the catalytic performance and physicochemical properties of the Mo/ZrO2 catalysts were closely related to this species.展开更多
文摘Super acid catalyst SO 2-4/ZrO2 was introduced in pure silicone MCM-41 by macerating method and characterized by XRD, IR and Py-IR. The selectively catalytic gas phase flow reaction of benzene and propene over the catalysts was tested. The result show that the SO 2-4/ZrO2-MCM-41（SZM-41） can be used as a catalyst for the title reaction and has a high catalytic activity under some conditions.
文摘Highly active solid superacid catalysts for n-butane isomerization, SZ/A1_2O_3-P, were prepared by supporting SO-(4-2)/ZrO2, (SZ) on y-A1_2O_3 carrier using a precipitation method. The activities of some catalysts were enhanced significantly j The activity of the most active sample. 60%SZ/Al_2O3-P, was even about 2 times more active than that of the SZ catalyst.
基金This work is supported by the Ministry of Science and Technology(G199902240-06)
文摘Superfine Mo/ZrO_2 catalysts were prepared for partial oxidation of methane to HCHO and characterized by BET, XRD, LRS, H2-TPR and XPS. Mo existed mainly in the form of Zr(MoO4)2, and the catalytic performance and physicochemical properties of the Mo/ZrO2 catalysts were closely related to this species.
