Effects of pH and ions on the morphological evolution of boehmite prepared by hydrothermal treatment of ultrafine Bayer gibbsite
Wenqiang Huang, Guihua Liu, Tiangui Qi, Xiaobin Li, Qiusheng Zhou, Zhihong Peng
Abstract
Boehmite morphology depended on the pH and ions of the solution by hydrothermal treatment of gibbsite owing to the difference in nucleation and growth of boehmite from Al<sup>3+</sup>, Al(OH)<sub>4</sub><sup>−</sup> or the Al(OH)<sub>4</sub><sup>−</sup>Na<sup>+</sup> ion pair.
Topics & Concepts
BoehmiteGibbsiteHydrothermal circulationNucleationIonHydrothermal synthesisInorganic chemistryChemistryMaterials scienceCrystallographyMineralogyNuclear chemistryChemical engineeringAluminiumMetallurgyOrganic chemistryKaoliniteEngineeringBauxite Residue and UtilizationLayered Double Hydroxides Synthesis and ApplicationsIron oxide chemistry and applications