Examples of 'esterification step' in a sentence
Meaning of "esterification step"
esterification step: A specific stage in a chemical process where an ester compound is formed by the reaction between an alcohol and a carboxylic acid. This step is crucial in the synthesis of various organic compounds, including fragrances, flavors, and pharmaceuticals
How to use "esterification step" in a sentence
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esterification step
No catalyst was present during the esterification step.
The direct esterification step does not require a catalyst.
There is thus no additional esterification step.
The esterification step is preferably performed under normal pressure.
An optional conventional quaternization either before or after said esterification step.
In this case the esterification step requires lower reaction temperatures.
The mother liquor was concentrated and carried on to the esterification step.
The first esterification step takes place in the presence of an alcohol and coupling agent.
These polycondensation catalysts can be added during the esterification step.
The MAA is formed in the esterification step by hydrolysis of a part of the methacrylamide.
The distillation residue may be recovered and recycled at the esterification step.
Figure 2 shows the glycerol esterification step according to the invention.
The anti-oxidant agent is also introduced into the esterification step.
After the esterification step is completed, the polycondensation step is carried out.
Typically, no catalysts are used for the esterification step.
See also
The esterification step comprises reacting, at least one acid functional component selected from ;.
A mixture of methanol, water and tetrahydrofuran is recovered during this esterification step.
The polymerization consists of a pressure esterification step, an atmospheric esterification step and a vacuum polycondensation step.
Column for separating the water from the glycol, during the esterification step.
The esterification step is done similarly to that in Process 5.
The process of Claim 1 wherein an acid catalyst is employed in the esterification step.
Esterification step ( k ) is carried out by classical esterification procedures.
The released glycerol may be pre-treated and used in the esterification step ( i ).
Esterification step ( i ) comprises esterification of the deodorizer distillate.
According to another alternative the deodorizer distillate may be pre-heated before entering esterification step ( i ).
An esterification step a,.
FIG . 2 shows the glycerol esterification step.
Esterification step ( Step 1 ) The following description is representative of the current method in use.
FIG . 2 shows the glycerol esterification step according to the invention.
Released glycerol may, if pre-treated, be used in the esterification step ( i ).
These stages in the esterification step give low-level condensates having molecular weights of about 5000.
The method according to Claim 1 wherein the esterification step is conducted at a temperature of above 200 °C.
After the esterification step and separation the remaining CLA free acids are enriched in t10, c12 CLA.
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Esterification will now be explained in more detail
The chemical reactions are transesterification and esterification
The esterification is also a method known per se
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It was nevertheless a first step in efforts to combat impunity
