[화학공학실험]성균관대 초산에틸 합성 발표ppt

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목차

1. Objective
2. Theory
3. Reagents
4. Procedure
5. Reference

본문내용

We synthesize an ethyl acetate from the reaction of an acetic acid and an alcohol by using sulfuric acid as a catalyst
Esterification
2. The method of yield improvement
3. Reaction of the synthesis of an ethyl acetate
Theory
Theory
Side reaction
In this esterificationon, we can find the other reaction. Side reaction can be caused under 160 °C. and Ethylene is produced in side reaction. So, it is very important to measure exactly the temperature when experiment is conducted.
By product
C2H5OSO3H C2H5OC2H5
C2H5OSO3H CH2=CH2
C2H5OH 140
160
Esterification
The process of forming an ester by refluxing a carboxylic acid and an alcohol in the presence of an acid catalyst, commonly sulfuric acid.
Theory
C2H5OH + H2SO4 C2H5OSO3H + H2O
C2H5OSO3H + CH3COOH CH3COOC2H5 +H2SO4
The method of yield improvement
The method of yield improvement
Using excess of alcohol
Eliminating of water
Theory
ing system.
Le Chatelier`s principle
Step1.
Step2.
Theory
Step3.
Step4.
Step5.
Reaction of the synthesis of an ethyl acetate
Reaction of the synthesis of an ethyl acetate
Apparatus
Apparatus
A separatory funnel is a piece of laboratoy flasswarein liquid-liquid ns to separate(partition) the components of a mixture between two immiscible solvent phases of different densities. Typically, one of the phases will be aqueous, and the the other a non-polar lipoplic organic solvent such as ether, MTBE, dichloromethane, chloroform, or ethyl acetate.
Apparatus

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