▎ 摘　　要

NOVELTY - Preparing photocatalytic acarus-removing antibacterial disinfectant, comprises e.g. (i) adding titanium trichloride to deionized water, ultrasonically dispersing for 1-2 hours, adding hydrochloric acid in ultrasonic dispersion process, continuously performing ultrasonic dispersion for 1-2 hours, adding sodium metavanadate, stirring at 150-200degrees Celsius for 20-40 minutes, centrifuging, washing, drying, and calcining at 150-200degrees Celsius for 10-20 minutes to obtain nano-powder, (ii) adding the nano-powder into sodium hydroxide solution and stirring performing hydrothermal reaction at 150-200degrees Celsius for 10-20 hours, washing hydrothermal reaction product to neutrality, performing acid washed, drying, and performing heat treatment at 300-400degrees Celsius for 1-2 hours under argon protection to obtain composite nano-titanium dioxide powder, and (iii) adding graphene oxide in ethanol aqueous solution, performing ultrasonic dispersion for 1-2 hours, and adding composite nano-titanium dioxide powder. USE - The method is useful for preparing photocatalytic acarus-removing antibacterial disinfectant (claimed). DETAILED DESCRIPTION - Preparing photocatalytic acarus-removing antibacterial disinfectant, comprises (i) adding titanium trichloride to deionized water, ultrasonically dispersing for 1-2 hours at an ultrasonic power of 300-500 W, adding hydrochloric acid in the ultrasonic dispersion process, continuously performing ultrasonic dispersion for 1-2 hours, adding sodium metavanadate, stirring at 150-200degrees Celsius for 20-40 minutes, centrifuging, washing, drying, and calcining at 150-200degrees Celsius for 10-20 minutes to obtain nano-powder, (ii) adding the nano-powder into sodium hydroxide solution and stirring performing hydrothermal reaction at 150-200degrees Celsius for 10-20 hours, washing hydrothermal reaction product to neutrality, then performing acid washed, drying, and performing heat treatment at 300-400degrees Celsius for 1-2 hours under argon protection to obtain composite nano-titanium dioxide powder, and (iii) adding graphene oxide in the ethanol aqueous solution, performing ultrasonic dispersion for 1-2 hours, adding composite nano-titanium dioxide powder to disperse evenly, performing hydrothermal reaction at 140-180degrees Celsius for 20-30 hours, adding sodium dodecyl benzene sulfonate, cocoyl diethanolamine, fatty alcohol polyoxyethylene ether, fatty alcohol polyoxyethylene ether sodium sulfate, plant essential oil and water, and uniformly mixing to obtain a photocatalytic acarus-removing antibacterial disinfectant. An INDEPENDENT CLAIM is also included for photocatalytic acarus-removing antibacterial disinfectant prepared by the above-mentioned method.