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