Preparation method of activated carbon supported titanium-pillared montmorillonite composite material

The invention provides a preparation method of an activated carbon supported titanium-pillared montmorillonite composite material. The method comprises the following steps: firstly, performing sodiumtreatment on calcium-based montmorillonite to obtain sodium-based montmorillonite, and then, uniformly dispersing the sodium-based montmorillonite in distilled water to prepare suspension; uniformly mixing absolute ethanol, tetrabutyl titanate and glacial acetic acid according to a certain proportion to prepare a solution A; mixing HCL and absolute ethanol to prepare a solution B; preparing a pillared agent by utilizing the solution A and the solution B; transferring the pillared agent into the sodium-based montmorillonite suspension, and performing intense stirring; adding a proper amount ofNaOH solution to adjust the pH of the mixed solution, and performing stirring at room temperature; and adding activated carbon powder without lime to finally obtain activated carbon supported titanium-pillared montmorillonite.