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vacuum distillation

noun, Chemistry
1.
a process of distillation employing a vacuum that by lowering the pressure on a liquid allows volatilization at a lower temperature than normal.
Origin
1895-1900
1895-1900
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for vacuum distillation
  • One of them is vacuum distillation, which dewaters the oil.
  • The facility also includes a vacuum distillation system for on-site recycling of petroleum-based parts washer solvents.
  • Re-refining distillation bottoms means the heavy fraction produced by vacuum distillation of filtered and dehydrated used oil.
  • The underflow is routed to a vacuum distillation column.
British Dictionary definitions for vacuum distillation

vacuum distillation

noun
1.
distillation in which the liquid distilled is enclosed at a low pressure in order to reduce its boiling point
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Value for vacuum

13
18
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