vacuum distillation

vacuum distillation
a process of distillation employing a vacuum that by lowering the pressure on a liquid allows volatilization at a lower temperature than normal.

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Universalium. 2010.

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  • Vacuum distillation — At atmospheric pressure, dimethyl sulfoxide boils at 189°C. Under a vacuum, it distills off into the connected receiver at only 70°C. Vacuum distillation is a method of distillation whereby the pressure above the liquid mixture to be distilled is …   Wikipedia

  • vacuum distillation — vakuuminis distiliavimas statusas T sritis chemija apibrėžtis Distiliavimas sumažintame slėgyje. atitikmenys: angl. vacuum distillation rus. вакуумная перегонка; перегонка в вакууме; перегонка под вакуумом …   Chemijos terminų aiškinamasis žodynas

  • vacuum distillation — distillation under reduced pressure to avoid the decomposition which might occur at atmospheric pressure …   Medical dictionary

  • Vacuum distillation —   Distillation under reduced pressure (less the atmospheric) which lowers the boiling temperature of the liquid being distilled. This technique with its relatively low temperatures prevents cracking or decomposition of the charge stock.   U.S.… …   Energy terms

  • vacuum distillation unit — abbr. VDU The Vacuum Distillation Unit takes the residuum from the ADU (atmospheric distillation unit) and separates the heavier end products such as vacuum gas oil, vacuum distillate, slop wax, and residue …   Petroleum refining glossary

  • vacuum distillation — 1. A secondary distillation process which uses a partial vacuum to lower the boiling point of residues from primary distillation and extract further blending components. 2. Distillation under reduced pressure, which reduces the boiling… …   Petroleum refining glossary

  • vacuum distillation — noun : distillation carried on under reduced pressure so that the liquid being distilled boils at a lower temperature than under atmospheric pressure and consequently with less chance of decomposition compare molecular distillation …   Useful english dictionary

  • vacuum distillation — noun Distillation under reduced pressure, and thus at a reduced temperature with less risk of thermal degradation …   Wiktionary

  • vacuum distillation — /vækjum dɪstəˈleɪʃən/ (say vakyoohm distuh layshuhn) noun the process of distillation carried out under a reduced pressure, thus depressing the boiling point of the substance to be distilled and enabling the process to be carried out at a reduced …  

  • high-vacuum distillation — distiliavimas dideliame vakuume statusas T sritis chemija apibrėžtis Distiliavimas 1–0,1 Pa slėgyje. atitikmenys: angl. high vacuum distillation rus. дистилляция под глубоким вакуумом …   Chemijos terminų aiškinamasis žodynas

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