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[Chemical Knowledge]：Manufacturing method and process of liquid chlorine

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Manufacturing method

of liquid chlorine Liquid chlorine is an important raw material for chemical production, which is widely used in water treatment, organic synthesis, papermaking, textile, printing and dyeing and other industries. This article will introduce the manufacturing method of liquid chlorine, including raw material preparation, chemical reaction, product refining and other steps.

1. Raw Material Preparation

The production of liquid chlorine mainly uses salt as a raw material. First, the salt needs to be processed into saturated brine for subsequent chemical reactions. The concentration and purity of the salt water should be controlled during the preparation process to ensure the smooth progress of the subsequent reaction.

2. chemical reaction

the manufacture of liquid chlorine mainly by electrolytic salt water method. In the electrolysis process, the salt water is decomposed into hydrogen, chlorine and sodium hydroxide. The specific chemical reaction equation is:

2NaCl 2H2O → 2NaOH H2 Cl2

electrolysis process requires control of current and voltage to maintain a stable reaction rate and production efficiency. At the same time, it is also necessary to separate and purify the generated hydrogen and chlorine to obtain high-quality liquid chlorine products.

3. products refined

after electrolytic reaction, the chlorine gas often contains some impurities, such as hydrogen, water vapor and so on. Therefore, the chlorine gas needs to be refined to improve its purity. The purification method generally employed includes the steps of cooling, drying, compression and the like. Among them, cooling can condense the water vapor in the chlorine gas into water droplets and remove it, and drying can further remove the residual moisture. Finally, the chlorine gas is liquefied by compression to obtain a liquid chlorine product.

need to note that the manufacturing process of liquid chlorine involves some hazardous chemicals and process operations, so it is necessary to strictly abide by the relevant safety production specifications and operating procedures to ensure the safety and stability of the production process.

In short, the manufacturing method of liquid chlorine mainly includes the steps of raw material preparation, chemical reaction and product refining. By controlling the process parameters and operating conditions of each step, high-quality liquid chlorine products can be obtained, providing important chemical raw materials for various industries.

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