Pseudoboehmite

Pseudoboehmite is a low-crystallinity aluminum oxyhydroxide, typically represented by the chemical formula γ-AlO(OH)·nH₂O (0 < n < 1). It is a polymorph of boehmite but features a looser structure and slightly higher water content. Known for its high specific surface area(up to 200–400 m²/g), porosity, and abundant surface hydroxyl groups, it is widely used in industrial applications.

Key Properties:
– High Surface Area & Porosity: Ideal as a catalyst carrier (e.g., in petroleum cracking or hydrogenation catalysts).
– Thermal Stability: Transforms into γ-Al₂O₃ upon calcination while retaining its porous structure.
– Colloidal Behavior: Easily dispersible into sols for preparing ceramics, coatings, or composite materials.

Applications:
– Catalysis: Primary carrier for petrochemical catalysts.
– Adsorption & Environmental Remediation: Removes heavy metals or organic pollutants from water.
– Materials Science: Used in high-performance ceramics, thermal conductive materials, and functional coatings.