SO2-4/TiO2固体酸可用于光催化降解溴代甲烷，其光催化性能明显优于TiO2光催化剂.在相同反应条件下，SO2-4/TiO2的光催化活性比TiO2提高2～10倍.当H2SO4浸渍液浓度为1mol/L时，制得的SO2-4/TiO2酸性最强(H0＜-12.14)，具有超强酸性和最高的光催化活性.
SO2-4/TiO2 solid acid was used for photocatalytic degradation ofCH3Br, and its photocatal ytic activity is 2～10 times higher than that of TiO2 under the same reaction conditions. The SO2-4/TiO2 sample impregnated w ith H2SO4 solution (1 mol/L) is of superacidity (H0＜-12.14), possessing the highest acid strength and the highest photocatalytic activity for degradation of CH3Br.
参考文献
| [1] | 吴越.取代硫酸、氢氟酸等液体酸催化剂的途径[J].化学进展,1998(02):158-171. |
| [2] | Fu X Zh;Clark L A;Zeltner W A .[J].Journal of Photochemistry and Photobiology A:Chemistry,1996,97(03):181. |
| [3] | 付贤智,丁正新,苏文悦,李旦振.二氧化钛基固体超强酸的结构及其光催化氧化性能[J].催化学报,1999(03):321-324. |
| [4] | 苏文悦,付贤智,魏可镁.SO2-4/TiO2固体酸的红外和拉曼光谱研究[J].光谱学与光谱分析,2000(06):840-841. |
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