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[Chemical Knowledge]：Production and manufacturing method and process of butyl acetate

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Manufacturing method
of butyl acetate
Butyl acetate is an important organic chemical raw material, widely used in coatings, printing inks, leather, medicine, spices and other fields. This article will introduce the manufacturing method of butyl acetate.

1. the properties and uses of butyl acetate

butyl acetate is a colorless transparent liquid with a pleasant fruity aroma. It is insoluble in water, but miscible with organic solvents such as alcohols and ethers. Butyl acetate has excellent solubility and drying properties, and can be used as a solvent for coatings, printing inks, etc., and can also be used in the manufacture of spices, pharmaceutical intermediates, etc.

2. of butyl acetate manufacturing method

1. Esterification method
esterification method is the main method of production of butyl acetate, the principle is under the action of acidic catalyst, let acetic acid and butanol esterification reaction, the formation of butyl acetate and water. The reaction equation is as follows:

CH3COOH CH3CH2CH2CH2OH → CH3COOCH2CH2CH2CH3 H2O

esterification method can use batch or continuous production process. The intermittent production process is to mix acetic acid and butanol in a certain proportion, add acidic catalyst, react at a certain temperature for a certain time, and then distill and separate butyl acetate. The continuous production process is that acetic acid and butanol are continuously added to the reactor in a certain proportion, and the continuous reaction is carried out under the action of acidic catalyst, and the resulting butyl acetate and water are separated by distillation.

2. Butene oxidation
Butene oxidation method is to use butene as raw material, under the action of catalyst, through oxidation, esterification and other steps to produce butyl acetate. The raw materials of this method are easy to obtain and the production cost is low, but the process route is long and requires more equipment investment.

3. butyl acetate production process optimization

In order to improve the production efficiency of butyl acetate and reduce production costs, the production process can be optimized. The following are some optimization measures:

1. Select high-performance catalyst to improve the reaction rate and selectivity.
2. Adopt advanced separation technology, such as distillation, extraction, etc., to improve the purity and yield of the product.
3. Strengthen the automatic control of the production process to improve production stability and product quality.
Safety and environmental protection measures for the production of butyl acetate in
4.
flammable, explosive and toxic substances are involved in the production process of butyl acetate in
, so strict safety and environmental protection measures must be taken to ensure the safety and sustainability of the production process. The following are some suggestions and measures:

1. Strictly control the reaction temperature and pressure to prevent safety accidents caused by overtemperature and overpressure.
2. Strengthen equipment maintenance and overhaul to ensure the normal operation of equipment and prevent leakage accidents.
3. The waste water, waste gas and waste residue generated in the production process shall be effectively treated and discharged after reaching the environmental protection standard.
4. Strengthen staff safety training and environmental awareness education, improve staff safety awareness and environmental awareness.

In short, the manufacturing method of butyl acetate involves multiple links and factors, and it is necessary to comprehensively consider factors such as raw materials, processes, equipment, safety and environmental protection to improve production efficiency, reduce costs, and improve product quality and safety and environmental protection.

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