[Chemical Knowledge]：The nature, use, upstream and downstream raw materials, storage methods of potassium magnesium sulfate fertilizer, potassium magnesium sulfate fertilizer is better or potassium sulfate is better.

Potassium Magnesium Sulfate Fertilizer Properties

Magnesium potassium sulfate fertilizer, referred to as K2SO4 · MgSO4, is a compound fertilizer, the main components of potassium sulfate and magnesium sulfate. It is white or off-white powder, with good water solubility. This fertilizer contains both potassium and magnesium, and potassium is an important element for plant growth, which helps photosynthesis, sugar synthesis and transport; magnesium is an important part of chlorophyll, which is essential for plant photosynthesis. Magnesium potassium sulfate fertilizer also contains sulfur, which can promote the synthesis of protein and enzyme and improve the disease resistance of crops.

Use of potassium magnesium sulfate fertilizer

Magnesium potassium sulfate fertilizer is widely used in agriculture, especially for cash crops that require a large amount of potassium, such as tobacco, fruit trees, potatoes and cotton. It can not only provide potassium and magnesium needed by plants, but also improve the structure and physical and chemical properties of the soil, enhance the soil's ability to retain water and fertilizer, and promote root development. Magnesium potassium sulfate fertilizer also has a significant effect in the maintenance of lawn and horticultural crops, which can make the plant leaves more green and smooth, and improve the plant's ability to resist diseases and insect pests.

Upstream raw materials for potassium magnesium sulfate

The raw materials for the production of potassium and magnesium sulfate mainly include natural ores and chemical synthetic substances. Among the upstream raw materials, potassium ore and magnesium ore are the most important mineral resources. Potassium ore is mainly derived from potash deposits, and the common ore types are potash salt, carnallite and potassium magnesium ore; magnesium ore mainly includes dolomite and magnesite. Sulfuric acid is an important chemical raw material for the production of potassium magnesium sulfate fertilizer, which is usually produced by sulfur combustion or pyrite roasting.

Potassium Magnesium Sulfate Fertilizer Downstream Application

As an important compound fertilizer, the downstream application of potassium magnesium sulfate fertilizer covers a wide range of agricultural fields. From food crops to cash crops, magnesium potassium sulfate can play a role in improving yield and quality. In fruit cultivation, it can increase the sugar content of fruits and improve the taste of fruits; in tobacco cultivation, it can increase the combustion and aroma of tobacco leaves; in horticultural crops, it can promote the flowering of flowers and the vividness of colors. Magnesium potassium sulfate fertilizer plays an important role in modern agriculture and has broad application prospects.

Production Technology of Potassium Sulfate Magnesium Fertilizer

The production process of potassium magnesium sulfate fertilizer includes raw material pretreatment, chemical reaction, crystallization, filtration, drying and other steps. The potassium ore and magnesium ore need to be crushed and screened, and then the mixed solution of potassium sulfate and magnesium sulfate is generated by the reaction of sulfuric acid with the ore. Then, through evaporation and cooling, the potassium magnesium sulfate in the solution is crystallized and precipitated, and finally, after filtration and drying treatment, the finished potassium magnesium sulfate fertilizer can be obtained. In the production process, it is necessary to strictly control the process parameters to ensure the stability of product quality.

Potassium Magnesium Sulfate Fertilizer Storage Method

Magnesium potassium sulfate fertilizer has strong hygroscopicity, easy to absorb moisture in the air and caking. Therefore, during storage, it is necessary to keep the warehouse dry and ventilated to prevent moisture. Magnesium potassium sulfate fertilizer should avoid mixed storage with acidic substances, combustibles and strong oxidants to avoid chemical reactions. In order to prevent the fertilizer from moisture and clumping, it can be packed in a sealed plastic bag or moisture-proof paper bag, and placed on a wooden pallet and stored off the ground. The temperature in the warehouse should be kept within a suitable range to extend the shelf life of the fertilizer.

Market Prospect of Potassium Magnesium Sulfate Fertilizer

With the advancement of agricultural modernization and the increasing demand for high-efficiency and high-quality agricultural products, the market demand for potassium and magnesium sulfate fertilizers has shown an upward trend. Especially in the cultivation of cash crops and horticultural crops, potassium magnesium sulfate fertilizer is favored by more and more farmers and agricultural enterprises because of its superior fertilizer efficiency and environmental friendliness. In the future, with the progress of technology and the improvement of production process, the production cost of potassium magnesium sulfate fertilizer is expected to be further reduced, and the market competitiveness will be further enhanced. With the adjustment of agricultural planting structure and the expansion of high value-added agricultural products planting area, the market demand for potassium magnesium sulfate fertilizer will continue to grow, and the prospect is broad.

Environmental and safety issues

In the process of production and use of potassium magnesium sulfate fertilizer, environmental protection and safety issues are also worthy of attention. In the production process, the discharge of waste water, waste gas and solid waste should be strictly controlled to ensure that the discharge meets the standards and reduce environmental pollution. Production enterprises should take necessary safety measures to prevent chemical leakage and accidents. In the process of use, farmers should fertilize scientifically, avoid excessive application, and prevent soil and water pollution. Potassium magnesium sulfate is corrosive to a certain extent. Operators should wear protective gloves and goggles to prevent damage to skin and eyes.

Conclusion

As a high-efficiency compound fertilizer, magnesium potassium sulfate has excellent physical and chemical properties and is widely used in the field of agriculture. Its upstream raw materials are mainly derived from natural ores and chemical synthetic substances, and its downstream applications cover all aspects from food crops to cash crops. The production process of potassium magnesium sulfate fertilizer is complex, and various process parameters need to be strictly controlled to ensure product quality. During storage, attention should be paid to moisture-proof, anti-corrosion and safe storage. In the future, with the promotion of agricultural modernization and the increase of people's demand for high-quality agricultural products, the market prospect of potassium magnesium sulfate fertilizer will be broader. In the process of production and use, we should pay attention to environmental protection and safety issues to ensure green and sustainable development.