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High-purity γ-alumina

Keyword:High-purity γ-alumina

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  • Description
  • Adopting the alkoxide hydrolysis process, it has high purity (99.9%~99.99%), large specific surface area, high porosity, strong heat resistance, and good formability. Micro porous surfaces possess the characteristics required for catalytic activity, such as adsorption performance, surface activity, and excellent thermal stability, and are therefore widely used as catalysts, catalyst supports, and adsorbents.

    Model

    ZTL-AA-041

    ZTL-AA-042

    ZTL-AA-031

    ZTL-AA-032

    Crystal form

    γ

    Appearance

     

    White powder

    Particle size

    μm

    D50≤10

    D50:10-30

    D50≤10

    D50:10-30

    Specific surface area (BET)

    m²/g

    ≥150

    ≥150

    ≥150

    ≥150

    Average pore volume

    cm³/g

    0.8-1.2

    0.8-1.2

    0.8-1.2

    0.8-1.2

    Average aperture

    nm

    20-30

    20-30

    20-30

    20-30

    Purity ≥ 

    %

    99.99

    99.99

    99.9

    99.9

    Impurity content

    Si≤

    ppm

    30

    30

    50

    50

    Na ≤

    ppm

    20

    20

    200

    200

    Fe≤

    ppm

    30

    30

    100

    100

    Content of key impurities≤ 

    ppm

    100

    100

    100

    100

     

    Catalyst binders/carriers Water purifier Adsorption

     

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