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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Patent•
30 Jun 1986
4 citations
TL;DR: In this article, a new approach is proposed to influence reactivity and selectivity of organic reactions based on structural ordering conditions for reagents using solids prepared from vapour phase.
Abstract: New approach is proposed to influence reactivity and selectivity of organic reactions. It is based on structural ordering conditions for reagents using solids prepared from vapour phase.
4 citations
4 citations
Patent•
19 Sep 2008
TL;DR: In this article, the authors describe a method for recovering a flavour-containing distillate from the escaping vapours and feeding it to the wort following a boiling phase of a beer-brewing process.
Abstract: The invention relates to a beer-brewing method, wherein vapours escaping from the wort during a boiling phase are passed, on the steam side, to a rectifying column connected to a wort boiler and the vapours are rectified, at least one flavour-containing distillate being recovered from the vapours and being fed to the wort following the boiling phase. The invention also relates to an apparatus for implementing the method according to the invention.
4 citations
Patent•
10 Sep 1999
TL;DR: A diffusive sampling device for monitoring organic vapours in ambient air, of the type with desorption of the sampled species by solvent extraction, comprising a container made of a chemically inert, substantially gas-and liquid-impervious material, having a closed bottom end and an open end opposed thereto and containing, at its bottom end, a layer of solid porous material capable of uptaking the chemical substances to be sampled by physical or chemical adsorption, and a gas- and liquid-tight closure element which may be coupled to the open end of the container, having an exposed
Abstract: A diffusive sampling device (1) for monitoring organic vapours in ambient air, of the type with desorption of the sampled species by solvent extraction, comprising a container (2) made of a chemically inert, substantially gas- and liquid-impervious material, having a closed bottom end and an open end opposed thereto and containing, at its bottom end, a layer of solid porous material (4) capable of uptaking the chemical substances to be sampled by physical or chemical adsorption, and a gas- and liquid-tight closure element (3) which may be coupled to the open end of the container (2), having an exposed portion closed by a pierceable membrane (10) suitable to allow the introduction of a hollow needle for the injection of a solvent and the withdrawal of the resulting solution. The device is particularly suitable for sampling organic vapours both in indoor and in outdoor environments, in urban, rural or industrial areas, and may be employed for the medium- and long-term evaluation of the atmospheric concentrations of pollutants.
4 citations