Current Location： Home > News > Chemical Knowledge > Manufacturing method and process of lead trichloride

[Chemical Knowledge]：Manufacturing method and process of lead trichloride

Read： 495 Time：13months ago Source：Transform the World with Simplicity

The manufacturing method
of lead trichloride
1. Introduction

Lead trichloride is an important chemical production raw material, widely used in dyes, medicine, pesticides, electroplating and other fields. Mastering the manufacturing method of lead trichloride is of great significance for improving production efficiency and product quality. This article will introduce the manufacturing method of lead trichloride in detail, including raw material preparation, reaction process, post-treatment and other links.

2. raw material preparation

The main raw materials for the manufacture of lead trichloride are lead and chlorine. In order to ensure the smooth progress of the reaction, it is necessary to select high purity raw materials and carry out strict pretreatment.

1. Pretreatment of lead: select high purity metal lead to remove surface oxides and impurities. The pretreatment may be performed by mechanical polishing or pickling.
2. Pretreatment of chlorine gas: chlorine gas should be dried and purified before use to remove moisture and impurities.

3. Reaction Process

The manufacturing process of lead trichloride involves the chemical reaction of lead with chlorine gas. During the reaction, it is necessary to control the reaction temperature, time and the flow rate of chlorine gas to ensure the smooth progress of the reaction.

1. Reaction temperature: The reaction temperature has a great influence on the formation rate and yield of lead trichloride. In general, a reaction temperature in the range of 200-300°C is suitable.
2. Reaction time: The reaction time needs to be determined according to the reaction temperature and chlorine flow rate. On the premise of ensuring that the reaction is fully carried out, the reaction time is shortened as much as possible to improve production efficiency.
3. Chlorine gas flow: The control of chlorine gas flow has a great influence on the reaction to generate lead trichloride. It is necessary to maintain an appropriate chlorine flow to ensure the smooth progress of the reaction.

4. post-treatment
After the
reaction is completed, the generated lead trichloride needs to be post-treated to obtain a higher purity product.

1. Cooling: After completion of the reaction, the reactor was cooled to room temperature to solidify lead trichloride.
2. Separation: The solidified lead trichloride is separated from the remaining lead and impurities in the reactor. The lead trichloride can be removed from the reactor by pouring or scraping.
3. Purification: Purify the separated lead trichloride to remove impurities therein. The purification can be carried out by a method such as recrystallization and distillation.
Precautions for
5.

1. During the manufacturing process, the safety operation procedures should be strictly observed to ensure the safety of employees and equipment.
2. The waste gas, waste residue and other pollutants generated in the manufacturing process should be properly treated to prevent pollution to the environment.
3. During the manufacturing process, regular quality inspections should be carried out to ensure that the product quality meets the requirements.

6. conclusion

mastering the manufacturing method of lead trichloride is of great significance to improve the production efficiency and product quality of chemical products. Through reasonable raw material preparation, reaction process control and post-treatment, lead trichloride with high purity can be produced. In the actual production process, the manufacturing method should be appropriately adjusted according to the specific situation to ensure the smooth progress of production and the stability of product quality.

Previous： Production and manufacturing method and process flow of ammonium bifluoride

Next： Production and manufacturing method and process of tetrachloroethane

News Categories