Experiment shows that the catalytic activity of the titanic solid superacid catalyst modified by Ce ~ ( 4 + ) has higher than that of the rare sulfate or the titanic solid superacid .

实验表明：Ce4+改性的 钛 系固体超强酸催化剂与 单纯使用稀土 硫酸盐或钛系固体超强酸相比，具有更高的催化活性；