Alumina Oxide Powder

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Alumina oxide powder is made of aluminum hydroxide by suspended roasting, rapid dehydration and rapid cooling. It is a porous, high specific surface area alumina material with loose structure, controllable pore size distribution, rich hydroxyl groups on the surface and high activity.

Alumina oxide powder Characteristics

High specific surface area – strong adsorption capacity and high catalytic activity.

Porous structure – suitable for adsorption of molecules of different sizes (such as water, fluorine, VOCs).

Good thermal stability – suitable for high temperature catalysis or regeneration.

Rich in hydroxyl groups on the surface – enhance polarity and adsorption capacity.

Amphoteric material – can adsorb acidic and alkaline substances.

High mechanical strength – wear resistance.

Renewable – can be reused after treatment.

Chemical stability – resistant to weak acids and weak bases.

Insulation – can be used in electronics, ceramics and other fields.

The specification of Alumina oxide powder

Item Unit Technical requirement
Particle size um 10±0.5
ρ-AL2O3 % ≥65
AL2O3 % 92
SiO2 % ≤0.02
Fe2O3 % ≤0.02
Na2O % 0.30-0.4
Surface area ㎡/g 250-300
Pore Volume ml/g 0.20-0.25
LOI % ≤10

Note: We can produce alumina oxide powder according to your required data.

Main applications of Alumina oxide powder

Adsorbent: used to dry gases and liquids (such as air, hydrocarbons), remove water molecules and impurities;

Catalyst carrier: loads metals or active components, used in petrochemicals (such as hydrogenation, desulfurization), automobile exhaust purification, etc.;

Water treatment: adsorbs harmful substances such as fluoride ions and arsenic, purifies drinking water and industrial wastewater;

Ceramics and fillers: enhance material performance, used in refractory materials, electronic ceramics or composite materials;

Others: such as chromatographic separation, pharmaceutical sustained release and mercury removal agents in the chlor-alkali industry.

Its performance can be further optimized by regulating pore size and surface modification to meet specific needs.

Storage of Alumina oxide powder

●Avoid moisture, avoid scrolling, throw and sharp shocking during transportation, rainproof facilities should be readied..

●It should be stored in dry and ventilated warehouseto prevent contamination or moisture.

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