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[Chemical Knowledge]：Effective dilution of caustic soda, note that these points are critical

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Caustic soda is a commonly used chemical, widely used in chemical, metallurgy, paper and other industries. However, because caustic soda is strongly alkaline, its dilution process requires special attention to avoid safety accidents. Below we will introduce the matters needing attention of caustic soda dilution.

choose the right container. When diluting caustic soda, corrosion-resistant containers, such as glass bottles or polyethylene plastic drums, should be selected. Do not use iron containers or copper containers, so as to avoid the occurrence of chemical reactions to produce toxic gases, and even cause an explosion in serious cases.

diluted proportionally. The dilution ratio of caustic soda is usually 1:10 or 1:20. When diluting, a certain amount of water should be poured first, then caustic soda should be slowly added and fully stirred. In turn, caustic soda should not be added first and then water should be added to avoid violent exothermic reaction, resulting in sputtering or burning.

third, pay attention to the safety protection in the process of dilution. When diluting caustic soda, wear protective glasses, protective gloves and protective clothing to prevent sputtering damage. At the same time, the dilution operation should be carried out in a well-ventilated environment to prevent the accumulation of toxic gases.

fourth, avoid contact with acidic substances. Caustic soda is an alkaline substance, and it will neutralize with acidic substances, release a lot of heat, and even cause an explosion. Therefore, in the process of dilution, care should be taken to avoid contact with acidic substances.

the correct disposal of waste liquid. The waste liquid produced after caustic soda dilution shall be properly treated and shall not be directly discharged into the sewer or dumped at will. According to the relevant laws and regulations of the region, choose the appropriate way to deal with, so as not to cause pollution to the environment.

caustic soda dilution is an important operation involving safe production, must be strictly in accordance with the provisions of the operating procedures and safety precautions. Only scientific dilution and careful operation can ensure the safety and environmental protection of the production process. I hope everyone can take it as a warning and jointly create a good environment for safe production.

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