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利用溶胶-凝胶法合成了K9[Sb1W9O33],用十六烷基三甲基溴化铵(CTAB)对K9[Sb1W9O33]改性,得到了(CTAB)9[Sb1W9O33],以过氧化氢氧化环己醇制取环己酮为探针反应,考察了n(Sb)∶n(W)对催化剂催化活性的影响,评价结果表明:催化剂金属原子配比n(Sb)∶n(W)=1∶9,催化活性最高,在该条件下,环己酮的选择性达到了最大值99.2%。通过XRD、FT IR的检测,揭示了(CTAB)9[Sb1W9O33]的微观结构和内在规律性,[Sb1W9O33]9-与CTAB+之间存在协同效应,实验结果为工业装置的技术改造提供了较好的实验依据。
K9 [Sb1W9O33] was synthesized by sol-gel method and K9 [Sb1W9O33] was modified by cetyltrimethylammonium bromide (CTAB) to obtain (CTAB) 9 [Sb1W9O33] Cyclohexanol was used as the probe reaction, the effect of n (Sb): n (W) on the catalytic activity of the catalyst was investigated. The results show that the ratio of metal atom in catalyst n (Sb) 1: 9, the highest catalytic activity, under the conditions, cyclohexanone selectivity reached a maximum of 99.2%. The microstructure and intrinsic regularity of (CTAB) 9 [Sb1W9O33] were revealed by XRD and FT IR. The synergistic effect between [Sb1W9O33] 9- and CTAB + was revealed. The experimental results provided a good technical innovation for industrial plants Experimental basis.