Explain the function of bar screens in a wastewater treatment plant.

Bar screens in wastewater treatment plants function as filters, removing large solid debris from incoming wastewater. They consist of closely spaced bars or rods that capture objects like sticks, plastics, and rags, preventing damage to downstream equipment. By blocking these materials, bar screens safeguard pumps and pipes from clogging, ensuring smooth wastewater flow. Their role is vital in maintaining the efficiency of treatment processes and protecting the treatment plant’s equipment from damage caused by large debris.