Synthesis And Adsorption Of The Nano/Microstructure Hollow ZrO₂

ZrO₂is one of the most intensively studied materials. It has been applied incatalysts and catalytic supports, adsorption and separation, etc. The morphology,structure and size of ZrO₂are closely related to its properties and influence itspotential applications. If the hollow ZrO₂microspheres are prepared by usingNanoparticles, then could have low density and high specific surface, and otherunique properties, especially the cavity can contain a large number of the object ofmolecules. In this paper, the biological template pollen into the experiment which isenlightened by biomineralization. We have prepared a variety of nano/microstructureZrO₂, and discuss its adsorption performance, The main contents are as following:Firstly, this paper not only describes the hollow material properties and itspreparation method, but also summarizes and analyzes the research situation ofsynthesis various forms of inorganic material by biological template method and thespecial properties and application of nano ZrO₂.Secondly, nano-/microstructure ZrO₂hollow microspheres have been fabricatedsuccessfully using the rape pollen as a bio-template through microwave–alcohothermal and water-bath two different methods, Their morphology, crystalshape, energy spectrum, infrared absorption spectrum and specific surface werecharacterized and analyzed. The formation mechanism of hollow microspheres wasdiscussed.Thirdly, the Structure-directing role of the Astragalus Smicus pollen templatewas different when the pollen was treated in an acid solution. Consequently, two kindsof ZrO₂hollow microspheres could be achieved, with different shell thickness,surface morphology and surface area, using the pollen template with or without theacid-treatment. The experiment studied the morphology, strcture and the strcture ofporous of micro-/nanostructure ZrO₂by adjusting Zirconium salt concentration, pH,the time of Water treatment pollen time and Pretreatment pollen days, Meanwhile, theformation mechanism was studied preliminarilyFourthly, this paper conduct the adsorption experiment with black T as printing and dyeing wastewater, we probed the properties of adsorption performance ofnano-/microstructural ZrO₂hollow microspheres.