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[Chemical Knowledge]：Production and manufacturing method and process flow of aromatic solvent oil

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The manufacturing method
of aromatic solvent oil
1. Introduction

aromatic solvent oil is a widely used chemical products, mainly used in cleaning, solvents, coatings and inks. With the development of industry, the demand for aromatic solvent oil is also increasing. Therefore, it is of great significance to study the manufacturing method of aromatic solvent oil for improving production efficiency, reducing cost and improving product quality. This paper will introduce a method of manufacturing aromatic solvent oil, which has the advantages of easy access to raw materials, simple operation and stable product quality.

2. raw materials and equipment

1. raw materials: naphtha, reformed oil, benzene, toluene, xylene, etc.
2. Equipment: reactor, distillation column, condenser, storage tank, etc.

3. Manufacturing Method

1. Ingredients: Naphtha and reformed oil are mixed in a certain proportion as raw oil.
2. Reaction: The feed oil is heated to a certain temperature, sent into the reactor, and the aromatization reaction is carried out under the action of the catalyst to generate aromatic compounds.
3. Fractionation: The reaction product enters the distillation column and is fractionated to separate aromatic components with different boiling points.
4. Refining: The aromatic components obtained by fractionation are refined to remove impurities and obtain high-quality aromatic solvent oil.

4. precautions

1. Control the reaction temperature: The reaction temperature is an important factor affecting the aromatization reaction, and the temperature needs to be adjusted according to the actual situation to ensure the reaction.
2. Selection of catalyst: The selection of suitable catalyst can improve the efficiency and selectivity of aromatization reaction.
3. Equipment maintenance: regular inspection and maintenance of equipment to ensure the normal operation of equipment, improve production efficiency.

5. product quality and yield

The aromatic solvent oil manufactured by this method has the characteristics of high quality, high purity and low sulfur, which can meet the needs of different fields. At the same time, the yield of the method is high, which can effectively reduce costs and improve economic efficiency.

6. environmental protection and safety

in the production process, we need to pay attention to environmental protection and safety, take effective measures to reduce the discharge of waste gas, waste water and solid waste, and ensure production safety. For example, an exhaust gas treatment device and a waste water treatment system can be equipped to purify the generated exhaust gas and waste water to avoid pollution to the environment.

7. conclusion

The aromatic solvent oil manufacturing method introduced in this paper has the advantages of easy availability of raw materials, simple operation and stable product quality, which can meet the needs of aromatic solvent oil in different fields. In the actual production process, it is necessary to adjust and optimize according to the specific situation to improve production efficiency and economic benefits. At the same time, pay attention to environmental protection and safety, to ensure the sustainable development of production.

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