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  • Titanium dioxide (TiO2) is a multifunctional semiconductor that exists in three crystalline forms: anatase, rutile, and brookite. Owing to an appropriate combination of physical and chemical properties, environmental compatibility, and low production cost, polycrystalline TiO2 has found a large variety of applications and is considered to be a promising material for future technologies. One of the most distinctive physical properties of this material is its high photocatalytic activity (Nam et al., 2019); however, more recently it has attracted growing interest because of its resistive switching abilities (Yang et al., 2008).

  •  The object of the present invention is to overcome the defects of the prior art mentioned above, and to design a method for producing nano-Lide powder by using electrolytic zinc acid leaching residue, recycling zinc in acid leaching residue, and producing in an ammoniatic environment. Lithium sulfide powder with high content of zinc sulfide and barium sulfate, good quality and nanometer size.
  • Furthermore, titanium dioxide has been shown to possess antioxidant properties