In the process of industrial production and material handling, the presence of iron impurities often becomes a key factor affecting product quality. Whether it's chemical raw materials, electronic components, or the food and pharmaceutical fields, even trace amounts of iron impurities can cause discoloration, poor catalytic reactions, or reduced material performance. Therefore, efficiently removing iron impurities has become an important step in improving product purity and stability. At present, common iron removal methods include magnetic separation, acid washing, and sedimentation filtration. Magnetic separation technology uses high-intensity magnetic fields to adsorb iron particles, which is suitable for the separation of coarse particles in solid materials; acid washing dissolves iron oxides through chemical reactions and is commonly used for metal surface treatment or solution purification; while the sedimentation method uses reagents to make iron ions form insoluble substances and then filter them out, which is widely used in water treatment and chemical processes. Choosing the appropriate method requires considering the impurity form, material properties, and cost-effectiveness. With technological development, new adsorption materials and intelligent sorting equipment have further improved iron removal accuracy and automation levels. By precisely controlling impurity content, enterprises can significantly optimize product consistency, extend equipment lifespan, and meet environmental protection and industry standard requirements. Effective removal of iron impurities is not only a manifestation of process upgrading, but also a fundamental guarantee for promoting high-quality development of the industry.