Water-stable methylene blue adsorption material and preparation method and application thereof

The invention discloses a water-stable methylene blue adsorption material and a preparation method and application thereof. A chemical formula of the adsorption material is [Zn3(C21H15O6N)2(C10H8N2)].A main ligand namely 4,4',4''-triformic acid triphenylamine is subjected to coordination with metal Zn ions to form a two-dimensional laminar planar structure; by an auxiliary ligand namely 4,4'-dipyridyl, the two-dimensional laminar structure is connected into a three-dimensional network framework under the action of terminal group N atoms and Zn ions, the zinc ions form a metal center, and theporosity is 65.2%. The material is high in thermal stability and chemical stability and keeps structural integrity in water solution in pH of 2-12, and selectivity adsorption of methylene blue in a water phase can be realized. 本发明公开了种水稳定的亚甲基蓝吸附材料及其制备方法和应用。该吸附材料化学式为[Zn(CHON)(CHN)]，以4,4',4"-三甲酸三苯胺为主配体，4,4'-联吡啶为辅助配体，锌离子为金属中心，主配体通过羧酸基团和金属Zn离子配位，形成二维层状的平面结构，辅助配体4,4'-联吡啶利用端基N原子与Zn离子作用，将二维层状的结构连接为三维网络框架，孔隙率为65.2％。该材料表现出良好的热稳定性和化学