[Chemical Knowledge]：Properties, uses, upstream and downstream raw materials, storage methods of inorganic bases, definition of inorganic bases

Inorganic base properties

Inorganic base is a kind of important chemical substance, its main component is metal hydroxide or metal carbonate, common inorganic base includes sodium hydroxide (NaOH), potassium hydroxide (KOH), sodium carbonate (Na2CO3) and calcium hydroxide (Ca(OH)2) and so on. Most of these inorganic bases are strongly alkaline and can be completely dissociated in water to generate a large number of OH-ions, making the solution exhibit a high pH value. They are generally corrosive and can react with acids to form salts and water. Inorganic bases have good solubility and conductivity, and act as catalysts or neutralizers in many chemical reactions.

Inorganic base use

Inorganic bases are widely used in industry and daily life. As a strong alkali, sodium hydroxide is widely used in papermaking, textile, detergent, soap, chemical fertilizer and petroleum refining industries. It is also an important laboratory reagent. Potassium hydroxide is also used as a reagent in chemical laboratories and has important applications in pharmaceutical and electroplating fields. Sodium carbonate is mainly used in the manufacture of glass, paper and soap, and is also a water treatment agent. Calcium hydroxide is used in the construction industry to prepare mortar and cement, but also in sewage treatment and exhaust gas purification.

Inorganic base upstream feedstock

The production of inorganic alkali can not be separated from its upstream raw materials. The main raw materials of sodium hydroxide and potassium hydroxide are the corresponding metal chlorides (such as sodium chloride and potassium chloride), which are prepared by electrolysis of saturated salt solutions. The main raw materials of sodium carbonate are limestone (CaCO3) and sodium chloride, which are produced by the Solvay method (ammonia-alkali method). Calcium hydroxide is produced by the reaction of quicklime (calcium oxide) obtained by calcining limestone with water. The supply of the above raw materials directly affects the production cost and market supply of inorganic bases.

Inorganic base downstream products

As a basic chemical raw material, inorganic alkali has a wide range of downstream products and a wide range of applications. The downstream products of sodium hydroxide include pulp, soap, detergent, synthetic fibers, dyes and pharmaceuticals. Potassium hydroxide downstream products include liquid fertilizer, potash, soft soap, electrolyte and pharmaceutical products. The downstream products of sodium carbonate involve glass, soap, paper, textiles and food additives. Calcium hydroxide is widely used in building materials, sewage treatment, waste gas treatment, leather tanning and food industry.

Inorganic base production process

The production process of inorganic alkali includes electrolysis, chemical reaction and calcination. Electrolysis is mainly used for the production of sodium hydroxide and potassium hydroxide, through the electrolysis of sodium chloride or potassium chloride solution to obtain hydroxide. Solvay method is the main process for the production of sodium carbonate, which uses limestone and sodium chloride to react in the presence of ammonia to produce sodium carbonate. Calcium hydroxide is obtained by calcining limestone to produce quicklime and then reacting with water. The production process of various types of inorganic bases determines their product quality and production costs.

Inorganic base storage method

Since inorganic bases are strongly alkaline and corrosive, their storage requires special attention. Sodium hydroxide and potassium hydroxide should be stored in a dry, cool, well-ventilated place to avoid contact with acids to prevent violent reaction. Sodium carbonate and calcium hydroxide should also be stored in a dry environment to avoid moisture and caking. Storage containers for inorganic alkalis shall be made of alkali-resistant materials, such as plastic or stainless steel containers, to prevent corrosion and leakage. The storage site shall be clearly marked and equipped with necessary emergency treatment facilities.

INORGANIC BASE MARKET DEMAND AND DEVELOPMENT PROSPECT

With the advancement of industrialization and urbanization, the market demand for inorganic alkalis continues to grow. The demand for inorganic alkali in traditional industries such as papermaking, textiles, fertilizers, and chemicals is stable. At the same time, the rapid development of emerging industries such as environmental protection, new materials and new energy has also brought new growth points to the inorganic alkali market. In the future, with the improvement of technological progress and environmental protection requirements, the production process of inorganic alkali will be continuously optimized, and the production efficiency and product quality will be further improved. The inorganic alkali industry has broad prospects for development worldwide.

Inorganic alkali industry chain analysis

The inorganic alkali industry chain includes upstream raw material supply, production process, midstream production enterprises and downstream application industries. The stability and price fluctuation of upstream raw material supply directly affect the cost control and market competitiveness of inorganic alkali production enterprises. Midstream production enterprises need to continuously improve the technical level, optimize the production process, reduce production costs and improve product quality. The diversified needs of the downstream application industry drive the innovation and market expansion of inorganic alkali products. On the whole, the chain of inorganic alkali industry is close, and the coordinated development of all links is very important for the stability and sustainable growth of the industry.

Environmental Protection and Safety Management

Environmental and safety issues are involved in the production and use of inorganic bases. Harmful gases and waste water may be produced during the production process, and the discharge must be strictly controlled to ensure that the treatment is up to standard. Prevent leakage and pollution during storage and transportation to ensure the safety of the operating environment. All enterprises should strengthen investment in environmental protection, adopt advanced environmental protection technology and equipment, and enhance the ability of environmental protection. Establish and improve the safety management system, and regularly carry out safety training and drills to ensure the safety and control of the production and use process.

Conclusion

As a basic chemical raw material, inorganic alkali has a wide range of applications and important market value. Its nature and use determine its important position in industrial production and daily life. By optimizing the production process, strengthening environmental protection and safety management, and improving product quality and market competitiveness, the inorganic alkali industry will usher in a broader development prospect. The coordinated development of upstream raw material supply and downstream application market will provide a solid guarantee for the stable operation of the inorganic alkali industry chain.