distillation under vacuum

См. также в других словарях:

• 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 — 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

• Distillation — Distiller and Distillery redirect here. For other uses, see Distiller (disambiguation) and Distillery (disambiguation). For other uses, see Distillation (disambiguation). Laboratory display of distillation: 1: A heating device 2: Still pot 3:… …   Wikipedia

• Vacuum — This article is about empty physical space or the absence of matter. For other uses, see Vacuum (disambiguation). Free space redirects here. For other uses, see Free space (disambiguation). Pump to demonstrate vacuum In everyday usage, vacuum is… …   Wikipedia

• 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 under reduced pressure, and thus at a reduced temperature with less risk of thermal degradation …   Wiktionary

• Vacuum swing adsorption — Vacuum Swing Absorption (VSA) is a non cryogenic gas separation technology. Using special solids, or absorbents, VSA segregates certain gases from a gaseous mixture under minimal pressure according to the species molecular characteristics and… …   Wikipedia

• distillation — distillatory /di stil euh tawr ee, tohr ee/, distillative /di stil euh tiv/, adj. /dis tl ay sheuhn/, n. 1. the volatilization or evaporation and subsequent condensation of a liquid, as when water is boiled in a retort and the steam is condensed… …   Universalium

• 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 — /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 …