Russian translation: колонка для разделения головной фракции
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14:14 Aug 16, 2010
English to Russian translations [PRO] Tech/Engineering - Chemistry; Chem Sci/Eng
English term or phrase: the heads column
High concentrations of HCN in acrylonitrile systems are relatively unstable, and solid polymeric HCN can form in **the heads column**, reducing column pressure. The heads column is the distillation column in which HCN and ACRN are separated.