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[Chemical Knowledge]：Production and manufacturing method and process of high carbon alcohol

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The manufacturing method
of high carbon alcohol
1. Introduction

High carbon alcohol is an important chemical production raw material, widely used in coatings, inks, detergents, plasticizers and other fields. With the continuous development of science and technology, the manufacturing method of high carbon alcohol has been continuously improved and optimized. This article will introduce a common high-carbon alcohol manufacturing method.

2. Materials and Methods

1. Material

The raw materials required for this experiment mainly include: fatty acids, methanol, catalysts, etc.

2. Equipment

experimental equipment includes: reactor, stirrer, heater, condenser, etc.

3. Manufacturing method

(1) Esterification reaction: fatty acid and methanol are added into a reactor at a molar ratio of 1:3, a catalyst is added, and the temperature is raised to 60-70 ° C. for esterification reaction. Constant stirring is required during the reaction to promote uniform reaction. After completion of the reaction, distillation was carried out to separate methanol and crude fatty acid methyl esters.

(2) Hydrogenation reaction: crude fatty acid methyl ester and hydrogen are added into a high-pressure reactor in a molar ratio of 1:1, a catalyst is added, and the temperature is raised to 200-240 ° C. for hydrogenation reaction. During the reaction, it is necessary to maintain a certain pressure and stirring speed to ensure the smooth progress of the reaction. After completion of the reaction, cooling and separation were performed to obtain a higher alcohol product.

3. Results and Discussion

1. Results

After esterification and hydrogenation, we have obtained high-purity high-carbon alcohol products. The indicators of the product are in line with national standards, can be used for chemical production.

2. Discussion

In the manufacturing process, we need to pay attention to the following points: First, the reaction temperature needs to be controlled in the esterification reaction to avoid too high or too low temperature affecting the reaction rate and product quality; secondly, the hydrogenation reaction A certain pressure and stirring speed need to be maintained to ensure the uniform progress of the reaction; finally, strict quality inspection of the product is required to ensure that the product meets relevant standards.

4. conclusion

This article introduces a common high-carbon alcohol manufacturing method. Through esterification reaction and hydrogenation reaction, we can obtain high-purity high-carbon alcohol products. The method has the advantages of simple operation, high production efficiency and stable product quality, and can be widely used in the field of chemical production. At the same time, we also need to pay attention to the details of the manufacturing process to ensure product quality and production efficiency.

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