While I tried to make Sound - Destillation guide as practical and easy-to-use as possible, at times I felt aware of the pesky gap between theory and practice. With over 60 Sound - Destillation spread across London, New York and Seattle, Distilled has many different personalities and perspectives, not to mention varying dialects. How was I supposed to develop a single voice that represented the whole company?

A tone of voice should come about fairly organically. The main way I learnt about the company was, of course, by becoming immersed in all its goings-on. I also asked my colleagues to name other companies with tones of voice they thought worked well. Researching these was a good way of gaining perspective and reminding myself of all the different possibilities out there.

Instead, I have tried making small, incremental changes in various different places. To my mind, the process of developing a company tone of voice should always be collaborative. This operation, used primarily by large commercial desalting plants, does not require heating to convert a liquid into vapour.

The liquid is simply passed from a container under high atmospheric pressure to one under lower pressure. The reduced pressure causes the liquid to vaporize rapidly; the resulting vapour is then condensed into distillate. A variation of the reduced-pressure process uses a vacuum pump to produce a very high vacuum. This method, called vacuum distillationis sometimes employed when dealing with substances that normally boil at inconveniently high Sound - Destillation or that decompose when boiling under atmospheric pressure.

Steam distillation is an alternative method of achieving distillation at temperatures lower than the normal boiling point. It is applicable when the material to be distilled is immiscible incapable of mixing and chemically nonreactive with water.

Examples of such materials include fatty acids and soybean oils. The usual procedure is to pass steam Sound - Destillation the liquid in the still to supply heat and cause evaporation of the liquid. Article Media. Info Print Cite. Submit Feedback. Thank you for your feedback.

The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree Read More on This Topic. During distillation a mixture of either liquid or liquid and solid components is placed in a glass vessel, called a pot or boiling flaskYou can improve the purity of the fraction by increasing the surface area of the fractionation column.

Remove the fractionation column from the distillation unit and pack the internal space with steel wool. The steel wool increases the surface area the vapors interact with and slows the movement of the vapors Sound - Destillation the column. The longer the vapors take to reach the top of the column, Sound - Destillation, the higher the purity of the fraction and the greater the efficiency of the column. You can use any highly porous, non-absorbent material for the column packing material.

Raise the temperature of the heat source slowly to give the fractions time to interact and complete their movement up the column and down the condenser arm. Many industrial manufacturers increase the surface area in the column to recover fractions that have a boiling point separated by less than a degree.

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