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2007-03-20 05:59:03 · 8 answers · asked by Anonymous in Science & Mathematics Chemistry

8 answers

Distillation is a widely used method for separating mixtures based on differences in the conditions required to change the phase of components of the mixture. To separate a mixture of liquids, the liquid can be heated to force components, which have different boiling points, into the gas phase. The gas is then condensed back into liquid form and collected. Repeating the process on the collected liquid to improve the purity of the product is called double distillation. Although the term is most commonly applied to liquids, the reverse process can be used to separate gases by liquefying components using changes in temperature and/or pressure.

Distillation is used for many commercial processes, such as production of gasoline, distilled water, xylene, alcohol, paraffin, kerosene, and many other liquids.
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Types of distillation include simple distillation (described here), fractional distillation (different volatile 'fractions' are collected as they are produced), and destructive distillation (usually, a material is heated so that it decomposes into compounds for collection)..

2007-03-20 06:14:26 · answer #1 · answered by Anonymous · 0 0

Distillation is the process of heating a liquid until it boils, capturing and cooling the resultant hot vapors, and collecting the condensed vapors.Distillation was probably first used by ancient Arab chemists to isolate perfumes.
Distillation is used to purify a compound by separating it from a non-volatile or less-volatile material. When different compounds in a mixture have different boiling points, they separate into individual components when the mixture is carefully distilled.
It can be of two types simple &fractional distillation.

2007-03-20 06:20:22 · answer #2 · answered by ponty 1 · 0 0

you would be far extra particular while bearing on 'compounds'. Are we speaking approximately proteins, different polymers, small molecules, hydrocarbons etc.? As for distillation, it is the approach of heating a mix such that a variety of of of the climate evaporates, travels by using a condenser and condenses in yet another vessel. Fractional distillation is a form of distillation the place the vapor is a mix itself. In a severe temperature ecosystem the smallest molecules will upward thrust to the coolest and the heavier stay close to the backside. The vapor is extracted at various heights in the fractionating column. The ensuing distillates would be extra organic than in case you had purely used typical distillation yet by using no ability easily organic. that's probably the techniques wherein petrol is won. i do no longer understand what you're asking in the final 2 questions. attempt including some verbs in there.

2016-12-15 04:33:47 · answer #3 · answered by ? 4 · 0 0

Distillation is the process of heating a liquid until it boils, capturing and cooling the resultant hot vapors, and collecting the condensed vapors.

The boiling point of a compound—determined by distillation—is well-defined and thus is one of the physical properties of a compound by which it is identified. Distillation is used to purify a compound by separating it from a non-volatile or less-volatile material. When different compounds in a mixture have different boiling points, they separate into individual components when the mixture is carefully distilled.

2007-03-20 06:26:52 · answer #4 · answered by PUNJABI ROCKS 2 · 1 0

Distillation is a method of separating chemical substances based on differences in their volatilities. Distillation usually forms part of a larger chemical process, and is thus referred to as a unit operation.

Distillation has a number of uses. It is used to separate crude oil into more fractions for specific uses such as transport, power generation and heating. Water is distilled to remove impurities, such as salt from sea water. Air is distilled to its components such as oxygen for medical applications and helium for party balloons. The use of distillation on fermented solutions to produce distilled beverages with a higher alcohol content is perhaps the oldest form of distillation, known since ancient times.

2007-03-20 06:07:03 · answer #5 · answered by Anonymous · 0 0

Vaporization of a liquid and subsequent condensation of the resultant gas back to liquid form.

It is used to separate liquids from nonvolatile solids or solutes (e.g., water from salt and other components of seawater) or to separate two or more liquids with different boiling points (e.g., alcohol from fermented beers and wines). Many variations have been devised for industrial applications. An important one is fractional distillation, in which vapour from a heated liquid mixture is contacted by a series of trays and condensed liquid as it rises through a vertical column. The most volatile fraction of the mixture emerges from the top of the column, while less volatile fractions are withdrawn at lower points. In petroleum refining, this method is very efficient for removing naphtha, kerosene, and gas oils from crude oil.

2007-03-20 06:34:59 · answer #6 · answered by Anonymous · 0 0

Distillation is a method of separating chemical substances based on differences in their volatilities

2007-03-20 06:02:25 · answer #7 · answered by westside_hooligan 3 · 0 0

Distillation is the process of seprating 2 or more mixture of substances.

2007-03-20 18:26:31 · answer #8 · answered by Anonymous · 0 0

It is the separation of substances from a mixture based on the property that they have different temperatures at which they evaporate

2007-03-20 06:08:47 · answer #9 · answered by kinvadave 5 · 0 0

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