Suoyi Zirconium hydroxide powder for water treatment
2026-01-19
Suoyi Zirconium hydroxide powder for water treatment
Application of zirconia hydroxide powder in water treatment
Zirconia hydroxide powder (Zr (OH) 4, commonly written as ZrO2 · nH2O) is a white amorphous powder with amphoteric, high specific surface area, and thermal decomposition properties. It decomposes into ZrO2 at around 500 ℃ and is a core precursor for the preparation of zirconia and zirconium based materials. Its applications cover multiple fields such as ceramics, catalysis, environmental protection and water treatment, electronics, and biomedicine.
1. Core application areas of hydroxide zirconia powder
- ? Ceramics and refractory materials (maximum application): ZrO2 is calcined and used for structural ceramics (high-temperature resistant crucibles, kiln linings, improving thermal shock stability); Electronic ceramics (MLCC, PZT piezoelectric ceramics, automotive oxygen sensors, SOFC electrolytes); Bioceramics (dental restorations, artificial joints, good biocompatibility); As an additive, it inhibits grain growth and enhances the strength and toughness of ceramics.
- ? Catalyst and carrier: high specific surface area, loaded with precious metal/transition metal oxides, used for hydrogenation, dehydrogenation, petroleum cracking, reforming and other reactions; Also known as deodorizer and adsorbent, used for gas purification and odor control.
- ? Environmental Protection and Water Treatment: Strong adsorption and ion exchange capabilities, efficient removal of heavy metals (Pb ² ⁺, Cr ³ ⁺, Ni ² ⁺), fluoride ions, phosphates, and radioactive nuclides in water; Can be compounded with aluminum salts as coagulants to treat high fluoride water and industrial wastewater.
- ? Electronics and New Energy: High dielectric ceramics made of nanoscale zirconia for MLCC and micro capacitors; ZrO2 based electrolyte precursor for solid-state batteries and hydrogen fuel cells; Used for surface treatment of sensors and electronic components to enhance insulation and corrosion resistance.
- ? Biomedical and daily chemical: Bioceramic raw materials used for dental restoration and orthopedic implants; Used as a thickening, stabilizing, and sunscreen ingredient in daily chemical products, it is mild and safe.
- ? Polymer and others: fillers for plastics, rubber, and ion exchange resins to improve mechanics, heat resistance, and flame retardancy; Preparation of light resistant and weather resistant pigments such as zirconium blue and zirconium yellow; Used as an analytical reagent for the determination of elements such as zirconium/hafnium; Electroplating additives enhance the hardness and corrosion resistance of the coating.
2. Key characteristics and selection points of zirconia hydroxide powder
-Core advantages: bisexuality (acid-base compatibility), high specific surface area (strong adsorption/catalysis), controllable thermal decomposition (on-demand preparation of ZrO ₂), chemical stability (weather resistance and corrosion resistance), biocompatibility (medical friendliness).
-Selection tip: Particle size (nanometer level for electronics/catalysis, micrometer level for ceramics/filling); Crystal form (with the highest alpha activity and good beta/gamma stability); Purity (electronic/medical grade ≥ 99.9%, industrial grade ≥ 98%).
Application Trends of Zirconia Hydroxide Powder
With the increasing demand for 5G, new energy vehicles, semiconductors, and environmental protection, the demand for electronic ceramics, solid-state batteries, high-end catalysis, and water treatment is growing rapidly. High purity nano zirconia is the future development focus.
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