Halloysite nanotube-doped hybrid monolithic column as well as preparation method and application thereof

The invention discloses a hybrid monolithic column doped with halloysite nanotubes as well as a preparation method and application of the hybrid monolithic column. The preparation method comprises the following steps: purifying halloysite by using sodium hexametaphosphate to obtain a halloysite nanotube purified by sodium hexametaphosphate; the preparation method comprises the following steps: modifying a halloysite nanotube purified by sodium hexametaphosphate by using anhydrous toluene containing gamma-MAPS to obtain HNTS-vinyl; the preparation method comprises the following steps: activating and drying a quartz capillary tube, and modifying the quartz capillary tube with a gamma-MAPS and methanol mixed solution to obtain a vinyl modified quartz capillary tube; the preparation method comprises the following steps: mixing 24-26 parts of GMA, 15-25 parts of amino-PEG-amino and 350-700 parts of formamide, reacting at 30-50 DEG C for 0.5-1.5 hours, and then terminating the reaction at 0-4 DEG C to obtain a mixe