用阳离子表面活性剂作改性剂，通过阳离子交换法对膨润土进行有机改性制得有机膨润土。
The organic bentonites were prepared by the organic modification to bentonites by cation exchange process using cationic surfactant as modifier.
在静态吸附脱硫实验中，液相离子交换法制备的吸附剂由于阳离子数目的减少，部分晶格结构遭到破坏等原因，对模型汽油中噻吩的脱除率降低。
For model gasoline without cyclohexene, the desulfurization capacity of LaNaY is lower than that of NaY, because of the decrease of the number of cations and the partly broken lattice structure.
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