Preparation method of sodium alginate/carbon nanotube hybrid nanofiber membrane

The invention discloses a preparation method of a sodium alginate/carbon nanotube hybrid nanofiber membrane, and belongs to a preparation technology of fiber membrane materials. The method comprises the following steps: firstly, carrying out acidifying treatment on carbon nanotubes until carboxyl groups are formed on the surfaces of the carbon nanotubes, and dispersing the carbon nanotubes into deionized water to prepare a carbon nanotube solution; dissolving the sodium alginate into water to obtain a transparent sodium alginate aqueous solution; and mixing the carbon nanotube solution with the sodium alginate aqueous solution, and carrying out electrostatic spinning, wherein the high-voltage electrostatic adjustment range is 10-30kV; the flow rate of an injection pump is 0.05-0.3mL/h; the receiving distance is 10-20cm. The preparation method disclosed by the invention is simple in process; the obtained sodium alginate/carbon nanotube hybrid nanofiber membrane has the advantage of good adsorption property.