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25mm Ceramic Pall Rings Random Packing
Pall Ring

25mm Ceramic Pall Rings Random Packing

Ceramic Pall Rings are a type of high-performance packing material widely used in industrial columns, such as those for distillation, absorption, stripping, and scrubbing towers, to enhance mass transfer between gas and liquid phases. They represent an evolution from the earlier Raschig Ring design, featuring a more open structure and internal cross-supports to improve efficiency.

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    Ceramic Pall Rings Advantages

    technical parameter

    Sizes

    (mm)

    Thickness

    (mm)

    Surface area

    (m2/m3)

    Free volume

    (%)

    Number

    per m3

    Bulk density

    (kg/m3)

    25

    3

    210

    73

    53500

    700

    38

    4

    180

    75

    15000

    650

    50

    5

    130

    78

    6800

    600

    80

    8

    110

    81

    1950

    550

    Other size also can be provided by custom made!

    Ceramic Pall Rings Material Properties

    Chemical Resistance: Demonstrates a high degree of inertness to the majority of acids (with the notable exception of hydrofluoric acid), alkalis, and organic solvents, rendering them exceptionally suitable for deployment in corrosive environments.

    Thermal Stability: Capable of withstanding temperatures up to 1000°C (1832°F) without undergoing deformation, thus proving appropriate for high-temperature processing applications.

    Mechanical Strength: Possesses significant resistance to crushing and demonstrates resilience under pressure, typically within the range of 0.2–0.6 MPa.

    Low Thermal Conductivity: Effectively reduces heat transfer to the column structure.

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    The 25mm ceramic Pall ring packing, with its outstanding corrosion resistance, thermal stability and mass transfer efficiency, has become the benchmark product for random packing under harsh working conditions.

    Application

    Chemical industry: Absorption towers in sulfuric acid/hydrochloric acid production, desulfurization towers in fertilizer plants

    Environmental protection projects: Flue gas desulfurization (FGD), waste gas scrubber

    Petroleum refining and chemical industry: gas refining, solvent recovery tower

    Metallurgical industry: High-temperature gas purification, acid mist treatment

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