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azeotrope
(redirected from Azeotropic Mixture)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
azeotrope /azeo·trope/ (a´ze-o-trōp″) a mixture of two substances that has a constant boiling point and cannot be separated by fractional distillation.azeotrop´ic
a·ze·o·trope (-z-trp, z-)
n.
A liquid mixture of two or more substances that retains the same composition in the vapor state as in the liquid state when distilled or partially evaporated under a certain pressure.

aze·o·tropic (az--trpk, -trpk) adj.

azeotrope [a´ze-o-trōp″]
a mixture of two substances that has a constant boiling point and cannot be separated by fractional distillation. adj., adj azeotrop´ic.

azeotrope
a mixture of two substances that has a constant boiling point and cannot be separated by fractional distillation.


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When separation is very difficult because the components of a mixture have almost identical volatilities, improvement can be made by adding a different component which is soluble in the mixture or which forms a constant boiling or azeotropic mixture with one or more of the original ingredients, thus permitting greater ease of separation.
At shale oil distillation oil components of different nature have close boiling points, and as a result azeotropic mixtures are formed.
In addition, when water is combined in an azeotropic mixture with certain solvents the evaporation can be accelerated.
 
 
 
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