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			== Batch distillation gallery ==
			<gallery>
			File:BatchRectifier.png\|Batch Rectifier
			File:BatchStripper.png\|Batch Stripper
			File:MiddleVesselColumn.png\|Middle Vessel Column
			</gallery>

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'''Batch Distillation''' is a type of [[distillation]] process that involves the separation of various components from a mixture based on their different boiling points. Unlike [[continuous distillation]], where the feed mixture is continuously added and the distillate continuously removed, in batch distillation, a specific quantity of feed mixture is loaded into the distillation apparatus at the beginning of the process.

== Overview ==

Batch distillation begins with the loading of a batch of feed mixture into a [[distillation column]]. The mixture is then heated to bring it to a boil. As the mixture boils, vapor rises up the column and is condensed at the top. The condensed liquid, or distillate, is collected in a separate vessel. The process continues until the concentration of the desired component in the distillate falls below a certain level, at which point the distillation is stopped.

== Types of Batch Distillation ==

There are several types of batch distillation, including simple batch distillation, multistage batch distillation, and fractional batch distillation.

'''Simple Batch Distillation''' involves a single evaporation and condensation cycle. It is typically used for mixtures where the components have widely differing boiling points.

'''Multistage Batch Distillation''' involves multiple evaporation and condensation cycles. It is used for mixtures where the components have closer boiling points and thus require more separation.

'''Fractional Batch Distillation''' is a type of multistage batch distillation where the column is packed with trays or packing material to increase the surface area for heat and mass transfer, thereby improving the separation efficiency.

== Applications ==

Batch distillation is used in a variety of industries, including the [[petrochemical industry]], [[pharmaceutical industry]], and [[food and beverage industry]]. It is particularly useful for small-scale production and when the feed mixture varies in composition.

== Advantages and Disadvantages ==

The main advantage of batch distillation is its flexibility. It can handle feed mixtures of varying compositions and can produce distillates of different concentrations. However, it is less efficient than continuous distillation and requires more energy and time.

== See Also ==

* [[Distillation]]
* [[Continuous Distillation]]
* [[Fractional Distillation]]

[[Category:Chemical Engineering]]
[[Category:Industrial Processes]]
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Batch distillation - Revision history

Prab: CSV import

Prab: CSV import