PR Moving Bed Biofilm Reactor designed by us is a biological wastewater treatment technique that may be employed in both municipal and industrial settings. An activated sludge aeration system is used in the MBBR design. The sludge is collected on plastic carriers with a wide interior surface area to collect it. PR Moving Bed Biofilm Reactor collects the sludge on recycled plastic carriers. Internally, these carriers have a high surface area for excellent interaction with water, air, and bacteria.