Topic
Vapours
About: Vapours is a research topic. Over the lifetime, 1153 publications have been published within this topic receiving 15022 citations.
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TL;DR: In this article, an apparatus is described which allows bulk densities of tapped powders to be determined in air, vacuum and in the presence of controlled pressures of various gases and vapours.
Abstract: An apparatus is described which allows bulk densities of tapped powders to be determined in air, vacuum and in the presence of controlled pressures of various gases and vapours. Typical results are quoted.
1 citations
Patent•
25 Feb 1957
1 citations
TL;DR: In this article, the potential energy of attraction, the kinetic energy of vibration, and a probability distribution function have been used to simulate the action of dilute solutions of vapours in liquids.
Abstract: Arising out of the dependence of gas—liquid chromatography on solubility in a manner previously described, the solubilities of five vapours have been measured in a non-polar solvent and in a polar solvent, both of low vapour pressure, under conditions of dilute solution and over a range of temperatures.
The results have been used in the application of a theory which illustrates the action of dilute solutions of vapours in liquids by means of a mechanical model based on the potential energy of attraction, the kinetic energy of vibration, and a probability distribution function.
A method is examined in the Appendix in which a conventional temperature-entropy diagram of the kind used by steam engineers is applied to represent the process of desorbing solutes from solutions.
1 citations
Patent•
19 Apr 1983
TL;DR: In this article, a treatment of extracted soya flakes by desolventization/toasting, drying, and cooling is proposed to use superheated vapours resulting from the drying, essentially steam having a residual hexane fraction.
Abstract: In a treatment of extracted soya flakes (1) by desolventisation/toasting (2), drying (7) and cooling (10), it is proposed to use superheated vapours (15, 3) resulting from the drying (7), essentially steam having a residual hexane fraction, for the desolventisation/toasting (2). The drying (7) is carried out in a bed (8) fluidized using steam (9), and the cooling (10) of the dried material is carried out in a bed (12) fluidized using air (14). The bed (8) in the dryer (7) is advantageously fluidized using its own vapours reformed in the dryer, which vapours are circulated (15, 16, 26, 9). The excess vapours (3), relative to the requirement for fluidization, are used for the desolventisation/toasting. The bed (8) in the dryer (7) in this case is heated using the heat exchangers (17) installed in the bed.
1 citations