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[Chemical Knowledge]：Production and manufacturing methods and processes of residual oil

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The manufacturing method
of residual oil is
in the field of chemical production raw materials, residual oil is an important intermediate product, widely used in various industrial processes. This paper will introduce the manufacturing method of residual oil in detail, including the selection of raw materials, production process, equipment selection and so on.

1. raw material selection

residue manufacturing raw materials mainly from the petroleum refining process of heavy oil, such as vacuum residue, atmospheric residue and so on. These raw materials have high viscosity and density, rich in carbon, hydrogen, and a small amount of nitrogen, sulfur, oxygen and other elements. In order to ensure the quality of residual oil, it is necessary to select suitable raw materials and carry out strict quality control.

2. production process
The manufacturing process of
residue mainly includes the following steps:

1. Raw material pretreatment: dehydration, desalination and other treatment of raw materials to remove moisture and impurities and ensure the smooth progress of the subsequent process.
2. Heating and mixing: heat the pretreated raw materials to a certain temperature, and add an appropriate amount of additives to make them fully mixed to provide conditions for the cracking reaction.
3. Cracking reaction: Under high temperature conditions, the cracking reaction of raw materials occurs to generate smaller hydrocarbon compounds, as well as some gases and coke.
4. Separation and refining: Through distillation, extraction and other separation technologies, the hydrocarbon compounds in the cracking products are separated from the gas and coke to obtain the preliminary residual oil products.
5. Post-treatment: Further desulfurization and denitrification of the residual oil are carried out as required to improve its quality and performance.

3. equipment selection

In the residual oil manufacturing process, the equipment that needs to be used mainly includes heating furnaces, reactors, separation towers, storage tanks, etc. In order to ensure production efficiency and product quality, it is necessary to select appropriate equipment and ensure its stable and reliable operation. At the same time, it is also necessary to regularly maintain and maintain the equipment to ensure its long-term stable operation.

4. production control and optimization

In order to ensure the smooth progress of the residual oil manufacturing process, it is necessary to comprehensively control and optimize the production process. Specific measures include:

1. Strictly control the quality of raw materials to ensure that raw materials meet the requirements of the production process.
2. Strengthen the monitoring of the production process, find and solve the problems in the production process in time.
3. Optimize production process parameters to improve production efficiency and product quality.
4. Strengthen equipment maintenance and maintenance to ensure long-term stable operation of equipment.

5. environmental protection and safety measures

In the residual oil manufacturing process, we need to pay attention to the implementation of environmental protection and safety measures. Specific measures include:

1. Strengthen the treatment and emission control of waste gas, waste water and other pollutants to reduce environmental pollution.
2. Improve employees' awareness of environmental protection and safety, and strengthen training and education.
3. Establish a sound safety management system and emergency plan to ensure the safety and reliability of the production process.

In short, the manufacturing method of residual oil needs to pay attention to the selection of raw materials, production process, equipment selection and other aspects, while strengthening production control and optimization, pay attention to the implementation of environmental protection and safety measures to ensure the smooth progress of the production process and product quality Stable improvement.

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