In many production and living scenarios, the presence of iron impurities often brings about many adverse effects. Whether in chemical production, food processing, or electronic manufacturing, iron impurities may reduce product quality, affect the normal operation of equipment, and even have a negative impact on the final use effect. Therefore, effectively removing iron impurities has become a crucial task. In chemical production, iron impurities may catalyze certain unnecessary chemical reactions, leading to a decrease in product purity and affecting product performance and stability. For example, in the production process of some fine chemical products, even trace amounts of iron impurities may change the reaction path and rate, making it difficult to meet the expected quality standards for the product. In the food processing industry, the inclusion of iron impurities not only affects the taste and color of food, but also may pose a food safety hazard and harm consumers' health. To remove iron impurities, people have developed a variety of effective methods. Among them, magnetic separation is a widely used and highly effective method. Magnetic separation equipment uses magnetic force to separate iron impurities from materials. It separates ferromagnetic substances in materials by a powerful magnetic field, thus achieving the purpose of removing iron impurities. This method is simple to operate, has high separation efficiency, and does not cause secondary pollution to materials. In some large-scale ore processing enterprises, magnetic separators are widely used in the screening and purification of iron ore, which can effectively improve the grade of iron ore. In addition to magnetic separation, chemical methods can also be used to remove iron impurities. By adding specific chemical reagents, iron impurities can undergo chemical reactions, forming precipitates or other easily separable substances, which are then removed by filtration and other means. This method is suitable for some scenarios where the content of iron impurities is extremely high, allowing for more precise impurity removal. In addition, in some production environments sensitive to iron impurities, iron impurities can be reduced by optimizing production processes and equipment materials. For example, using stainless steel and other non-rusting materials to manufacture production equipment can avoid the generation of iron debris in the materials during operation. At the same time, strengthening cleaning and maintenance during the production process and regularly inspecting and cleaning equipment can also effectively reduce the content of iron impurities. Removing iron impurities is an important link in ensuring product quality, improving production efficiency, and ensuring production safety. We need to choose appropriate removal methods according to different production needs and material characteristics, and continuously optimize the removal process to achieve better removal effects. Only in this way can we provide a solid guarantee for the development of various industries and promote the continuous improvement of product quality and production levels.