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Ceramic Medallion Ring
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  • Ceramic Medallion Ring

Ceramic Medallion Ring

DuraTop ICT-55 is one of the inert top gradings which are developed to replace inert ceramic balls and alumina balls at the top of catalytic reactors, by increasing distribution properties and void fractions to extend cycle length of the units.


  • Product Description
    • Commodity name: Ceramic Medallion Ring

    DuraTop ICT-55 is one of the inert top gradings which are developed to replace inert ceramic balls and alumina balls at the top of catalytic reactors, by increasing distribution properties and void fractions to extend cycle length of the units.

    Ceramic Medalion Ring

    DuraTop ICT-55 is one of the inert top gradings which are developed to replace inert ceramic balls and alumina balls at the top of catalytic reactors, by increasing distribution properties and void fractions to extend cycle length of the units. The larger void fraction and different shapes allow better resistance against particulate deposition (solids such as rust, gum, coke, etc.) or top bed crust formation

    DuraTop ICT-55 is a kind of inert Ceramic Extrude with 5 Triangular holes which are produced from a specially formulated silica / alumina material and fired under strict controlled conditions ensuring the following properties:

    High temperature resistance

    High thermal shock resistance

    Uniform roundness to minimize pressure drop

    High crushing strength.

    High void space.

    Ceramic Medallion Ring as bed hold-down material at the top of the catalyst bed can provide pressure drop relief, optimize the flow distribution, capture of particulates and other contaminants in the feed.

    Product Properties

    Form: Nominal Size: 1/2” (13 mm), 5/8” (16 mm), 3/4” (19 mm), 1” (25 mm)

    Compostion: Al2O3+SiO2

    Sock-loading Density: 800-900 kg/m3 ± 3% depending on loading technique

    Side Crush Strength: 18 / 22 / 27 / 36 kg

    Void Fraction: 62 %

    Packaging: 25 kg in small bags, 180 kg in 200 liter metal drums, 850 kg in 1.100 liter super sacks (IBC flexible)

    Associated Applications

    Naphtha Hydrotreating (NHT)

    Diesel Hydrotreating (DHT)

    Distillate Hydrocracker (DHC)

    Hydrodesulfurization (DHS)

    Hydrodenitrogenation (HDN)

Keywords: Ceramic Medallion Ring

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