Nanofiltration (NF) systems are advanced membrane technologies that effectively reduce water hardness, organic matter content, and high molecular weight contaminants. BAYSU develops low-energy consumption and process-focused NF solutions for sectors such as food, chemical, textile, and wastewater recovery. These systems, which largely preserve mineral balance, provide ideal quality for process water and certain drinking water applications. Energy-efficient and easy-to-operate designs aim for long-term performance.