Third stage of downstage processing in production of API

Posted by admin on October 30, 2016 in Uncategorized |

In this stage of downstage processing we have to purify the liquid substance. This stage is called



In this stage of downstream processing we apply some techniques to purify the liquid. The substance has

more than 80% of liquid that we have to purify. After the removal of liquid we achieve our actual

product. In this stage we have to manage the cost. There are many expensive processes but we have to

look for our benefit. The main process which is done in this stage is evaporation. More than twenty

processes are done in this stage.


This is the first process in this concentration. We perform evaporation with more than five evaporation

techniques. The evaporation process is done using steam. The substance is placed on the spot. After that

the steam is applied on the substance. With this steam attack vaporous start coming out form the

substance. This process is done slowly. After some time all the liquid evaporates from the substance and

only solid part is left. We use evaporation of different types.

Plate evaporation:

In the evaporation technique we place the substance in plates. The stream is applied on the substances.

The vapors start evacuating from the substance. This is a cheap source of purifying the substance in

downstream processing.

Falling evaporation:

In this part of downstream processing the substance in transferred into small tubes. The tubes are

arranged in such a way that they through the substance form high to low surface. In this process the liquid

forms a thin film. The heat is applied to the film. Amount of heat causes evaporation.

Precautions in the process:

1) In this stage of downstream processing calculations have to be 100% correct

2) Heat supply should be accurate.

3) The vapors should be stored in air tight tank.

4) The heat of steam should be moderate.

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