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[Chemical Knowledge]：The production and manufacturing method and process of the pearl alkali.

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Bachine, also known as sodium hydroxide or caustic soda, is an important inorganic chemical raw material, widely used in papermaking, printing and dyeing, chemical industry, metallurgy, medicine and other fields. Next, the manufacturing method of the pertine will be described.

1. Brine Preparation

1. Brine Preparation
Salt is added into purified water to prepare saturated brine. In order to ensure the quality of salt water, it is necessary to screen the salt to remove impurities.

2. refined
of brine brine through filtration, degassing, temperature control and other processes, the removal of impurities and gases, to provide qualified raw materials for the electrolysis process.

2. electrolysis process

1. the preparation
of the electrolytic cell is made of nickel or stainless steel and other materials, the cell is equipped with diaphragm or ion exchange membrane, in order to prevent chlorine and hydrogen mixture caused by explosion.

2. Electrolysis operation
will be refined brine into the electrolytic cell, into the direct current for electrolysis. Chlorine gas is produced at the anode and hydrogen gas and sodium hydroxide solution are produced at the cathode.

3. alkali liquor and chlorine gas separation
through the role of membrane or ion exchange membrane, sodium hydroxide solution and chlorine gas separation. The sodium hydroxide solution is concentrated, crystallized, centrifuged and other processes to obtain the bead alkali product.

3. Finished product processing and packaging

1. finished product processing
to get the pearlite finished products need to be tested to ensure that its quality meets the relevant standards.

2. Packaging
qualified finished products for packaging, usually using plastic bags or plastic barrels and other packaging materials to ensure the quality of the product during transportation and storage.

4. Precautions

1. In the manufacturing process, it is necessary to strictly abide by the safety procedures to ensure the safety of employees and equipment.
2. For the waste gas and waste water, it is necessary to carry out strict environmental protection treatment to ensure that the discharge standard.

In short, the manufacture of pearl alkali needs to go through multiple processes such as brine preparation, electrolysis, finished product treatment and packaging. The production process must strictly comply with safety and environmental protection requirements to ensure product quality and production safety.

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