Reactors And Their Types Used In Industries
                     Reactors And Their Types Used In Industries
Melissa charm
Writer at smb-trends.com, writes 
content on new SMB trends.
A reactor is among the most crucial elements in many factories and 
plants, where chemical reactions are carried out every day. It is only 
after the proper completion of these reactions that the end product 
comes out. This article will briefly elaborate on a few of the major 
industrial reactors.
Batch reactor: When we speak of the most commonly used reactors 
in the industry, a first mention needs to be made of a batch reactor. 
This reactor has an agitator enabling the blend of reactants with each 
other which causes the required chemical reaction. This reactor has 
cooling coils, as well, which are necessary for managing certain 
reactions.
The biggest benefit of batch reactors stems from the fact that they 
are compatible with a wide range of reactants.
CSTR (Continuous Stirred Tank Reactor): A CSTR reactor is called a 
mixed flow reactor, too, which is an enclosed tank that includes an 
agitator. The agitator makes sure that the reactants get blended 
properly. Here, the reactants flow into the reactor at a specific pace, 
and they react for a specified period. Subsequently, the products exit 
at the same pace at which the reactants were initially introduced into 
the reactor.
CSTR supports the manufacture of a huge quantity of products. These 
reactors can be operated for several hours at a stretch, without any 
breaks. Continuous stirred tank reactors are widely present in the 
pharmaceutical sector and in facilities having processes like cell 
culture and fermentation.
PFR (Plug Flow Reactor): A plug flow reactor is also known as CTR 
(continuous tubular reactor), as well. The reactants are sent inside 
the reactor in a fluid form, using a tube/pipe. As the reactants keep 
moving through the CTR, the concerned reaction progresses, yielding 
the desired outcome. Here, when the reactants are directed into a 
PFR, the flow rate is rather high. However, this rate declines when the 
products come out of the reactor.
An important benefit of using this reactor is that the rate of 
conversion is way higher than that seen in the case of a continuous 
reactor. Also, it’s worth noting that a plug flow reactor achieves that 
despite being smaller than a CSTR.
Semibatch reactor: In a semibatch reactor we see the features of 
both a batch reactor and a continuous stirred tank reactor. Even the 
semi-batch reactor has an agitator to take care of the appropriate 
blending of reactants. This reactor works differently when compared 
with the above varieties. Here, a few reactants get charged at the 
beginning itself, and other reactants are steadily added to the reactor 
as the process goes on.
The semi-batch reactor is useful when the priority is to have more 
control over the output. Additionally, this reactor becomes pivotal 
when there is a possibility of some undesired side reactions or 
generation of extreme heat.
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