Magnetic adsorbents are widely used in environmental cleanup processes, particularly for the removal of pollutants from water. They are effective in adsorbing heavy metals, dyes, and organic contaminants due to their high surface area and magnetic properties. After adsorption, these materials can be easily separated from the solution using an external magnetic field, making the purification process efficient and cost-effective. In the biomedical field, magnetic adsorbents are employed for drug delivery systems and targeted therapy. They can be functionalized with specific ligands to bind to target cells or tissues, allowing for precise delivery of therapeutic agents. Additionally, they are used in magnetic resonance imaging (MRI) as contrast agents to enhance image quality. In industrial applications, these adsorbents are utilized for catalyst recovery and separation processes. Their magnetic nature simplifies the recovery of catalysts from reaction mixtures, reducing waste and improving process sustainability. They are also used in the purification of biochemical products, such as proteins and enzymes, due to their selective adsorption capabilities. Overall, magnetic adsorbents offer versatile and efficient solutions across various fields, from environmental remediation to advanced medical applications.