Raschig ring

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English

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Raschig rings one inch (25 mm) ceramic

Etymology

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Named after their inventor, German chemist Friedrich Raschig, who patented them in 1914.

Noun

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Raschig ring (plural Raschig rings)

  1. Any of a number of pieces of tube, approximately equal in length and diameter, used to form a packed bed within columns for distillations and other chemical engineering processes.