Preparation Method and Application of Hierarchical Sodium Titanate Microtubes

Aiming at the problems of poor recoverability of traditional titanate nanomaterials and low adsorption capacity of large-size materials, micro-scale hierarchical sodium titanate microtubes are prepared by using tetrabutyl titanate as the raw material to synthesize titanium glycolate precursor via the polyol method, followed by a hydrothermal reaction in an alkaline solution.

This material features a large specific surface area combined with a unique hollow structure, enabling rapid and high-capacity adsorption of lead ions with high selectivity and good pH adaptability. It can be conveniently recovered via membrane filtration and achieves a high lead ion removal rate, which can meet the national standard requirements for the discharge of lead-containing wastewater.