Filter technology refers to the methods and devices used to separate unwanted materials or substances from a mixture. This can include air, water, and other liquids, where filters remove impurities, particles, or contaminants. Common types of filters include mechanical filters, which physically block particles, and chemical filters, which use chemical reactions to purify substances. In various industries, such as water treatment, air purification, and food processing, filter technology plays a crucial role in ensuring safety and quality. Advanced filters, like HEPA filters and activated carbon filters, are designed to capture even the smallest particles, making them essential for maintaining clean environments and improving health outcomes.