[Chemical Knowledge]：Industrial salt properties, uses, upstream and downstream raw materials, storage methods, industrial salt is used to do what

Industrial salt properties

Industrial salt, the main component is sodium chloride (NaCl), is an important chemical raw material. Its purity is usually low, containing a certain amount of impurities, such as calcium, magnesium, sulfate, etc. The chemical properties of industrial salt are similar to ordinary table salt, with good solubility and high stability, but due to impurities, its physical properties such as color and particle size may be different. Industrial salt will not decompose at high temperature, but can react with strong acid and alkali to generate corresponding salts.

Industrial salt use

Industrial salt is widely used and is the basic raw material for the production of many chemical products. It is used in the chlor-alkali industry to produce chlorine and sodium hydroxide by electrolysis of sodium chloride solution, which are the basis for the production of important chemicals such as PVC and bleach. Industrial salt is used to prepare soda ash (sodium carbonate), which is an important raw material for glass, paper, soap and other industries. Industrial salt is also widely used in food processing, road deicing, textile printing and dyeing and other fields, because it can effectively reduce the freezing point, adjust the osmotic pressure and be used as a preservative.

Industrial salt upstream and downstream raw materials

The upstream raw materials of industrial salt are mainly natural salt resources, including sea salt, lake salt and well mineral salt. Sea salt is obtained by evaporation of seawater, lake salt is extracted from salt lakes, and mine salt is extracted from underground mines. These raw materials undergo simple physical treatment to produce industrial salt. Downstream, industrial salt is the basic raw material for a variety of chemical products, such as chlorine, sodium hydroxide, soda ash and so on. In the chlor-alkali industry, for example, chlorine and sodium hydroxide can be produced by electrolysis of salt water, which is further used in the production of PVC, disinfectants and other products. In soda ash production, industrial salt reacts with limestone, coal, etc. to generate soda ash.

Industrial salt storage method

The storage of industrial salt requires attention to moisture, pollution and corrosion protection. Industrial salt is easy to absorb moisture, and should be stored in a dry, well-ventilated warehouse to avoid contact with moisture. The storage area should be kept away from harmful substances to avoid impurity contamination and ensure that its purity meets industry standards. Industrial salt is corrosive to metals, and direct contact with metals should be avoided during storage. It is best to use anti-corrosion materials or special containers for storage. During transportation, attention should also be paid to sealed packaging to prevent moisture and contamination.

Industrial Salt Market Analysis

The industrial salt market is affected by a variety of factors, including raw material supply, downstream demand, and policies and regulations. On the supply side of raw materials, the cost of mining and processing natural salt resources has a direct impact on the price of industrial salt. Sea salt and lake salt are less expensive to produce, while well salt is more expensive due to the need for underground mining. Downstream demand is an important factor affecting the market. The chlor-alkali industry and soda ash industry are the main consumption areas of industrial salt, and the prosperity of these industries directly affects the demand for industrial salt. The government's environmental protection policy and industrial policy also have an important impact on the industrial salt market. Strict environmental regulations may lead to rising production costs, while the adjustment of industrial policies may affect the market demand structure.

Industrial salt environment and safety problems

There are some environmental and safety problems in the production and use of industrial salt. The process of sea salt production may have an impact on the coastal ecosystem, such as the land occupied by the construction of salt pans and the destruction of wetland ecology. The processing and transportation of industrial salt will produce certain waste water and waste gas, which need to be properly treated to prevent environmental pollution. Industrial salt is harmful to the human body. Excessive exposure may cause skin and respiratory tract irritation. Therefore, appropriate protective measures should be taken during production and use, such as wearing gloves and masks.

future development trend

With the progress of industrial technology and the improvement of environmental protection requirements, the production and application of industrial salt are also developing. Technological advances will improve the purity and quality of industrial salt and reduce production costs. The development of environmentally friendly technologies will reduce the environmental impact of industrial salt production, such as the adoption of more environmentally friendly production processes and waste treatment technologies. With the development of new energy and new material industry, the application prospect of industrial salt in these emerging fields is broad. For example, in the production of solar cells and lithium batteries, industrial salts are expected to be one of the important raw materials. Therefore, the industrial salt industry will develop in the direction of high quality, low cost and environmental protection to meet the growing needs of all walks of life.

Conclusion

As a basic chemical raw material, industrial salt plays an important role in modern industry. Its wide range of uses covers chemical industry, food processing, road deicing and other fields. The upstream raw material supply is sufficient, the downstream demand is strong, and the market prospect is broad. Although facing certain environmental and safety challenges, with the technological progress and the strengthening of environmental protection measures, the industrial salt industry will continue to develop and contribute to the prosperity of all walks of life. In the future, the application of industrial salt in new materials and new energy and other emerging fields will be further expanded to drive the development of related industries.