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Laboratory Packing

Laboratory Packing

Leading Laboratory Packing Manufacturer

Laboratory packing is specialized for small laboratory column diameters, provides the highest number of theoretical stages while keeping a very small pressure drop.


Types of Laboratory Packing

Dixon Ring
Dixon Ring

Also known as Dixon (Dixon) packing, is a small particles of efficient packing, made of wire mesh or piercing-hole plate, the diameter and height of the packing is equal.

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Cannon Ring/Propak
Cannon Ring/Propak

Propak Cannon ring is a perforated plate chip, the shape is a half-cylindrical ring with many protruded holes.

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Fenske Spiral
Fenske Spiral

The Fenske spiral Packing is made of wire and has a shape similar to that of a spring, also known as a triangular spring Packing.

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FAQs of Laboratory Packing

  • Why Laboratory Packing are Widely used for pilot plant?

    Both pilot plant and pilot scale test of distillation plant require Column Packing. The height of the Column Packing bed depends on the number of theoretical plates and the equivalent theoretical number of plates per meter (NTSM) of the Column Packing.  In order to compress the volume of Packed Tower,reduce the height of Packed Tower, it is necessary to choose laboratory packing with high theoretical plate number, such as Dixon ring,θring, Cannon ring, etc.


  • Why handmade Dixon ring,θring has better performance than machine made?

    Handmade Dixon ring has more winding turns that drives to larger specific surface area.


  • Does the laboratory packing requires liquid collectors and liquid distributors?

    Laboratory packing ring,Dixon ring,θring, Cannon ring also require liquid  distributors and liquid collectors. Because of the smaller size of the packed tower, the supporting liquid distributor and liquid collector are normally specially designed.


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