azeotrope

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Related to azeotropes: boiling point, Azeotropic distillation

azeotrope

[ā′zē·ə‚trōp]
(chemistry)
References in periodicals archive ?
azeotropes and increased HOV) on recent observations linking ethanol content to PM emissions.
In addition, it is a non-flammable stable azeotrope needing no testing for acid acceptance or stabilising additives, easy to use and maintain and safer for employees and the workplace.
10] aliphatic hydrocarbon mixtures is challenging since these hydrocarbons have boiling points in a close range and several combinations form azeotropes.
The temperature of the reaction mixtures was kept at the boiling point of the azeotropes formed (77[degrees]C for i-PrOH/[H.
The paper described halogen-free azeotropes composed of various aliphatic hydrocarbons, carboxylic-acid esters, ketones, and ethers.
Several azeotropes (refrigerant blends), such as "AZ20" tested by AlliedSignal, however, were shown to perform surprisingly well in drop-in tests.
Following this book's step-by-step guidance, readers learn to master tested and proven methods to overcome a major problem in chemical processing: the distillation and separation of azeotropes.
c], therefore, proves to be a useful tool for a first order screening approximation to get an order of magnitude of the COP and volumetric capacity of various fluids, at least for pure fluids and azeotropes.
Criteria for the occurrence of azeotropes in such systems have been presented in terms of liquid-phase activity coefficients at infinite dilution ([[gamma].
HFEs do not have hydrocarbon solvency to match the ODS solvents, but since they can be mixed with other solvents to form azeotropes or co-solvent systems, they can be just as effective in cleaning.
Distillation could be a choice for solvent dehydration; however, it is an energy-consuming process and cannot break azeotropes formed in the IPA-water and TFP-water mixtures.