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magnesium oxide desulfurization agent
, flue gas desulfurization magnesium oxide
, environmental protection magnesium oxide agent
Overview of Magnesium Oxide Products:
The desulfurization agent magnesium oxide is light-burned magnesium oxide, which is highly active and has a high desulfurization efficiency. It is suitable for treating flue gas with high sulfur content, and its by-products can be recycled. The system has low investment and operating costs, and it is widely used as an environmental protection material for flue gas desulfurization in the power, steel, and other industries.
Magnesium oxide specifications:
| Chemical formula |
Magnesium oxide |
| CAS |
1309-48-4 |
| Place of origin |
Shandong Province, China |
| Appearance |
White to pale yellow powder |
| EINECS |
215-171-9 |
| Color |
White |
| Rating Standards |
Industrial grade |
| Box |
25 kg/bag |
| Shape |
Powdered |
Properties of magnesium oxide:
Magnesium oxide (mostly light-burned magnesium oxide, generally with a magnesium oxide content ≥85%) is used as a desulfurizing agent. It has the advantages of high desulfurization efficiency, strong adaptability to operating conditions, environmentally friendly recovery, and economic practicality. Its lattice structure is loose, with a large specific surface area and high reactivity, allowing it to rapidly combine with sulfur dioxide in flue gas to produce stable magnesium sulfite and magnesium sulfate. Even under high-sulfur conditions where the sulfur dioxide concentration exceeds 3000 mg/m³, the desulfurization efficiency can remain stable above 95%, easily meeting stringent emission standards. For fluctuations in SO₂ concentration caused by industrial load variations, the slurry dosing can be flexibly adjusted for rapid response, minimizing efficiency loss. This makes it suitable for industries such as power, steel, and chemicals, meeting the flue gas treatment needs of various sectors. The by-products of desulfurization can be oxidized into high-quality magnesium sulfate and utilized as agricultural fertilizers or industrial raw materials, avoiding the secondary pollution caused by gypsum accumulation from traditional limestone desulfurization. Moreover, it is non-toxic and non-corrosive, making it friendly to both desulfurization equipment and the surrounding environment. The supporting magnesium oxide desulfurization system is compact, with an investment cost only 70%-80% of that of a limestone desulfurization system. Additionally, this system consumes less energy and fewer chemicals during operation. Furthermore, China has abundant magnesite and dolomite resources, ensuring stable raw material supply and controllable prices. This can significantly reduce the long-term operating costs of enterprises, making it especially suitable for small and medium-sized enterprises or for upgrading existing desulfurization systems.
Advantages of magnesium oxide:
Magnesium oxide, as a desulfurization agent, demonstrates significant advantages in industrial flue gas desulfurization applications, mainly in the following aspects:
1. High desulfurization efficiency. Commonly used lightly calcined magnesium oxide has a large specific surface area and high reactivity, enabling rapid and complete reaction with sulfur dioxide in flue gas. Even under high-sulfur conditions with SO₂ concentrations exceeding 3000 mg/m³, it can stably maintain a desulfurization efficiency of over 95%, easily meeting stringent emission standards. In addition, the reaction products are stable and unlikely to produce secondary pollutants.
2. Strong adaptability to operating conditions. By flexibly adjusting the slurry dosing, it can quickly respond to sudden increases or decreases in SO₂ concentration caused by fluctuations in industrial production load, minimizing large fluctuations in desulfurization efficiency, and meeting the requirements for flue gas composition and concentration in various industries such as power, steel, and chemical industries.
3. Highly environmentally friendly and efficient resource utilization. The desulfurization by-product magnesium sulfite can be converted into high-quality magnesium sulfate after oxidation, which is widely used in agricultural fertilizers and industrial raw materials, effectively turning waste into valuable products. This technology completely avoids the secondary pollution problems caused by the accumulation of gypsum, a by-product of traditional limestone desulfurization. Additionally, this technology is non-toxic and non-corrosive, posing no harm to equipment or the surrounding environment.
4. Significant economic benefits. The supporting desulfurization system is compact in structure, with investment costs only 70%-80% of that for limestone desulfurization. It has low operational energy consumption and requires very little chemical reagents. Moreover, China has abundant magnesite and dolomite resources, ensuring stable raw material supply at reasonable prices. This technology can effectively reduce both initial investment and long-term operating costs, making it especially suitable for small and medium-sized enterprises or for upgrading existing desulfurization systems.
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