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ＬＲＳ，ＸＲＤ，ＸＰＳ结果表明，仲钼酸铵浸渍仅经干燥的Ｚｒ（ＯＨ）４再焙烧制得的固体超强酸（ＭｏＯ３／ＺｒＯ２（Ⅰ））与浸渍晶态ＺｒＯ２制得的部分氧化催化剂（ＭｏＯ３／ＺｒＯ２（Ⅱ）中，活性组分的存在形式明显不同．在ＭｏＯ３／ＺｒＯ２（Ⅱ）中，ＭｏＯ３以二维聚钼酸根形式单层分散在ＺｒＯ２上（其中单斜ＺｒＯ２为主），在～９５０ｃｍ－１处出现特征拉曼宽峰，超出单层分散容量的部分以晶态ＭｏＯ３形式存在．在ＭｏＯ３／ＺｒＯ２（Ⅰ）中，活性相以二维聚钼酸根和Ｍｏ—Ｏ—Ｚｒ表面物种两种表面态存在于介稳的四方ＺｒＯ２上，后者在ＬＲＳ谱中表现为～８１４ｃｍ－１的宽峰；ＭｏＯ３含量超过一定值时，多余的ＭｏＯ３在５５０℃即与四方ＺｒＯ２发生反应形成体相Ｚｒ（ＭｏＯ４）２．Ｍｏ—Ｏ—Ｚｒ表面物种中，Ｍｏ（Ⅵ）是四配位的，与四方ＺｒＯ２结合很强，它很可能与ＭｏＯ３／ＺｒＯ２具有超强酸性有密切关系．
The results of LRS, XRD and XPS showed that the solid superacid (MoO3 / ZrO2 (Ⅰ)) prepared by the calcination of dried zirconium (OH) 4 and the partial oxidation of ZrO2 In MoO3 / ZrO2 (Ⅱ), the active components are obviously different in their forms. In MoO3 / ZrO2 (Ⅱ), MoO3 is monolayer dispersed on ZrO2 in the form of two- ~ 950cm-1, the part beyond the monolayer dispersion exists in the form of crystalline MoO3.In MoO3 / ZrO2 (Ⅰ), the active phase is composed of two-dimensional poly molybdate and Mo-O-Zr surface The two surface states of the species exist on metastable tetragonal ZrO2, which shows a broad peak of ~ 814 cm-1 in the LRS spectrum. When the MoO3 content exceeds a certain value, the excess MoO3 reacts with the tetragonal ZrO2 at 550 ° C Bulk phase Zr (MoO4) 2.Mo- -Zr surface species, Mo (Ⅵ) with four bits, with strong binding tetragonal ZrO2, it is likely to have a super strong acidity and closely MoO3 / ZrO2.