In many production and material processing processes, the presence of iron impurities is often a headache. These iron impurities may come from the raw materials themselves, or they may be mixed in during processing and transportation. They not only affect the quality and performance of the products, but also may cause wear and damage to subsequent production equipment, reducing production efficiency and economic benefits. Therefore, it is particularly important to effectively remove iron impurities. For the removal of iron impurities in liquid materials, magnetic rod filters are a common and efficient tool. It uses the principle of strong magnetic adsorption. When the liquid flows through the magnetic rod, the iron impurities in it will be firmly adsorbed on the surface of the magnetic rod, thus achieving the purpose of separation. Magnetic rod filters have the advantages of simple structure, convenient operation, and good adsorption effect, and can be widely used in chemical, food, pharmaceutical, and other industries. In chemical production, removing iron impurities from liquid raw materials can avoid the interference of impurities on chemical reactions and improve the purity and quality of products; in the food industry, ensuring that there are no iron impurities in food raw materials is an important measure to ensure food safety and taste. For iron impurities in solid materials, electromagnetic iron removers are a good choice. The electromagnetic iron remover uses a powerful electromagnetic force to suck up and separate the iron impurities mixed in the solid materials. It can be installed on conveyor belts, vibratory feeders, and other conveying equipment to achieve automated iron removal operations. In mining, the electromagnetic iron remover can remove iron impurities from ores, improving the grade of ores and the efficiency of subsequent processing; in the building materials industry, removing iron impurities from raw materials such as cement and glass can improve the appearance quality and performance of products. In addition, chemical methods can also be used to remove iron impurities. Through specific chemical reactions, the iron impurities are converted into precipitates or soluble substances, and then separated by filtration, centrifugation, and other methods. This method is suitable for some occasions where the removal of iron impurities is required, but attention should be paid to the conditions of the chemical reaction and the selection of reagents to avoid causing other adverse effects on the materials. Removing iron impurities is a systematic project, and it is necessary to choose a suitable iron removal method according to the different material characteristics and production requirements. Only by effectively removing iron impurities can we improve the quality and quality of products, ensure the smooth progress of production, and create greater value for enterprises.