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[Chemical Knowledge]：Properties and Uses of Liquid Chlorine

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The properties and uses of liquid chlorine play an important role in the field of raw materials for chemical production. This article will discuss in detail the nature of liquid chlorine, production methods, safety, and its application in various industries.

1. the nature of liquid chlorine

liquid chlorine is a yellow-green, toxic, volatile non-metallic substances, with a strong pungent odor. At normal pressure, the boiling point of liquid chlorine is -34.6°C and the melting point is -101.5°C. Liquid chlorine has high solubility in water and can react with water to form hydrochloric acid and hypochlorous acid. In addition, liquid chlorine is highly reactive and reacts with many metals and non-metals. The production method of liquid chlorine in

2.

The main method of producing liquid chlorine in industry is electrolytic salt water. During the electrolysis of salt water, hydrogen and chlorine gas are produced. By cooling and pressurizing, chlorine gas can be liquefied to liquid chlorine.

3. safety
of liquid chlorine
Because liquid chlorine is toxic and corrosive, it is necessary to strictly follow safety procedures during production, transportation and use. Operators need to wear protective equipment and ensure that the equipment is tight. Once leakage occurs, ventilation, dilution and other measures should be taken immediately.

4. The use of liquid chlorine

1. Chemical production: Liquid chlorine is widely used as an oxidant in chemical production for the production of various organic and inorganic chlorides, such as vinyl chloride, benzene chloride, aluminum trichloride and so on.
2. water treatment: liquid chlorine can be used for disinfection of drinking water, can effectively kill the bacteria and viruses in the water.
3. Paper industry: In the papermaking process, liquid chlorine can be used to bleach pulp and improve the whiteness of paper.
4. Pharmaceutical industry: liquid chlorine can be used to produce a variety of drugs, such as antibacterial drugs, antineoplastic drugs.
5. pesticide production: liquid chlorine can be used to produce a variety of pesticides, such as chloropicrin, dichloropropene and so on.

In short, liquid chlorine has a wide range of applications in the field of chemical production raw materials, providing important raw materials for various industries. However, in the process of using liquid chlorine, safety operation procedures must be strictly observed to ensure production safety. In the future, with the progress of science and technology and the improvement of environmental protection requirements, the production and application of liquid chlorine will face new challenges and opportunities. Therefore, continuing to study and improve the production process of liquid chlorine to improve its safety and environmental protection will help promote the wider application of liquid chlorine in various fields and make greater contributions to the development of the chemical industry.

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