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[Chemical Knowledge]：Manufacturing method and process of microcrystalline wax

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The manufacturing method
of microcrystalline wax
1. Introduction

Microcrystalline wax is an important raw material for the production of chemical products and has a wide range of applications, such as plastics, rubber, coatings, cosmetics, etc. With the continuous development of science and technology, the manufacturing method of microcrystalline wax is also constantly improved, which improves the production efficiency and product performance. This article will introduce the manufacturing method of microcrystalline wax, including raw material preparation, melting, crystallization, centrifugal separation, drying and other steps.

2. Raw Material Preparation

The first step in manufacturing microcrystalline wax is to prepare the raw materials. The main raw material is petroleum wax, which mainly includes linear alkanes and a small amount of branched alkanes. In order to obtain high quality microcrystalline wax, it is necessary to select high purity and low impurity petroleum wax as raw material.

3. Melting

Put the prepared petroleum wax into a melting pot and heat it to melt. During the melting process, the temperature needs to be controlled to avoid too high or too low temperature affecting the quality of the wax. At the same time, the wax liquid needs to be stirred to prevent local overheating and scorching.

4. crystallization

the molten wax liquid needs to be crystallized to obtain a microcrystalline structure. The crystallization process may be performed by cooling crystallization or adding a crystallization agent. Cooling crystallization is to slowly cool the wax liquid, so that the wax molecules gradually arranged in order to form a microcrystalline structure. The addition of crystallization agent is to add some substances that can promote crystallization to the wax liquid to improve the crystallization speed and crystal quality.

5. Centrifugation
After
crystallization is complete, centrifugation is required to separate the microcrystalline wax from the mother liquor. In the process of centrifugal separation, it is necessary to control the speed and time of the centrifuge to ensure the purity and yield of microcrystalline wax.

6. drying

The microcrystalline wax after centrifugal separation also contains certain moisture and impurities and needs to be dried. Drying can use hot air drying or vacuum drying to remove moisture and impurities in microcrystalline wax and improve the purity and quality of the product.

7. quality inspection and packaging
After the
drying is completed, it is necessary to carry out quality inspection on microcrystalline wax, including the detection of melting point, hardness, purity and other indicators. After passing the test, packaging is carried out to obtain the final microcrystalline wax product.

8. precautions

1. In the manufacturing process, it is necessary to strictly control the temperature, time and other parameters of each step to ensure product quality and output.
2. It is necessary to inspect and maintain the manufacturing equipment regularly to ensure the normal operation of the equipment and the stability of the product.
3. In the process of operation, attention should be paid to safety to avoid accidents such as fire and explosion.

9. Conclusion The manufacturing method of

microcrystalline wax includes raw material preparation, melting, crystallization, centrifugal separation, drying and other steps. In the manufacturing process, it is necessary to strictly control the parameters of each step to ensure the quality and output of the product. At the same time, it is necessary to pay attention to safety and equipment maintenance to ensure the smooth progress of production.

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