azeotrope


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azeotrope

[ā′zē·ə‚trōp]
(chemistry)
References in periodicals archive ?
Fluorine is lost from the process as organic fluorides which leave with the product streams and as HF (plus traces of organic fluorides) in the bottom stream from the acid re-run column, limited by the water/HF azeotrope.
Fusel oil is a collective term applied to the alcoholic fraction of whiskey, or high wine, with a higher boiling point than the ethanol-water azeotrope.
Azeotropic extractions were accomplished by placing the specimens in a soxhlet extraction and refluxing with an acetone-chloroform-methanol azeotrope for 16 hours (unless otherwise noted).
8 [degrees] C), which form an azeotrope which boils at 77.
This mixture, called an azeotrope, is special because its chemical components act as a single substance during boiling.
Anhydrous toluene (4 g) as solvent was added to azeotrope with the water produced during the reaction.
The compositions include a reduced-GWP azeotrope, DR-11, and two higher capacity candidate blends, DR-4, a blend with GWP slightly less than 300 and a temperature glide of about five Kelvins (K), and DR-5, a blend with GWP slightly less than 500, and having a temperature glide of about one K.
Azeotrope can be used as an additional method to control the exotherm.
3] on account of (a) ternary azeotrope formation with water and aromatic compound and (b) decomposition into nitrous gases at the reaction conditions.
Dehydration of an Ethanol/Water Azeotrope by Novel Organic-Inorganic Hybrid Membranes Based on Quaternized Chitosan and Tetraethoxysilane," Biomacromolecules, 5, 1567 (2004).
Additional benefits to using SP34E(TM) includes: minor system modifications; characteristic of near azeotrope refrigerants; no special equipment requirements; mineral oil and PAG/POE oil compatibility; more energy efficient than R-134a with greater capacity and lower head pressure.