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[Chemical Knowledge]：Properties and Uses of Coker Xylene

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The nature and use
of coking xylene
1. Introduction

Coking xylene is an important chemical production raw material, widely used in medicine, pesticides, dyes, spices and other fields. In this paper, the nature and use of coking xylene will be discussed in detail.

2. the nature of coker xylene

coker xylene is a colorless transparent liquid with a special odor. Its main components are benzene, toluene and xylene, and also contain a small amount of high boiling point impurities. Coked xylene has good solubility and volatility, and can be miscible with a variety of organic solvents. In addition, the coking xylene also has the following properties:

1. good thermal stability, can be used at high temperatures.
2. has a low vapor pressure, easy to volatilize.
3. Non-corrosive to metal, but corrosive to rubber.

3. the use of coking xylene

1. pharmaceutical field: coking xylene in the pharmaceutical field used as a solvent and additives, such as for the production of vitamins, antibiotics and other drugs.

2. Pesticide field: Coking xylene is used as a raw material for pesticides, fungicides and herbicides in the pesticide field, such as for the production of benzoic acid, difenoconazole and other pesticides.

3. Dye field: Coking xylene is used as a solvent and raw material in the dye field, such as for the production of disperse dyes, acid dyes, etc.

4. spice field: Caroked xylene is used as a fixative and blending agent in the field of spices, such as for the production of artificial musk, vanillin and other spices.

4. Coking Xylene Production Process

Coking Xylene Production process mainly adopts the coking method, that is, coal is pyrolyzed under high temperature and hypoxia conditions to produce coke and waste gas, waste gas after cooling, desulfurization, deamination, dephenol and other processes, to obtain mixed aromatic hydrocarbons containing benzene, toluene and xylene, and then through distillation separation to obtain coking xylene.

5. Market Prospect

With the continuous development of science and technology, the application field of coking xylene is more and more extensive, and the market demand is also increasing. In the future, with the improvement of environmental protection requirements and the transformation of energy structure, the production process and application technology of coking xylene will continue to improve, and the market prospect is broad.

6. conclusion

coking xylene as an important chemical production raw material, has a wide range of applications and good market prospects. In the future development, we should increase investment in technology research and development and environmental protection, and improve product quality and production efficiency to meet the growing market demand.

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