Water Reuse Strategies: Iron and Steel Industry Case Study

Water reuse by industry is a vital part of reducing the pressure on our water. With appropriate water management that requires a comprehensive understanding of process design; industrial water can be reused for a wide range of purposes. Iron and steel manufacturing is one of the oldest industrial sectors using water in nearly every step of the process chain at large quantities. In the present study, a comprehensive effort has been allocated in a large integrated iron and steel plant in Turkey, with the goal of developing the best available options for water and wastewater management practices. Considering the need for well grasping the processes and water use in the facility, detailed water block diagrams of each process were developed and the characteristics of each flow were studied. Based on detailed mass balances, specific water consumption for each process unit was determined and alternative techniques/technologies for the most effective water and wastewater management practices were developed.