The AquaNereda aerobic granular sludge system from Aqua-Aerobic Systems replicates the same effluent quality as a well-designed enhanced biological nutrient removal facility, but without the use of chemicals. The technology, owned by Royal HaskoningDHV, dramatically reduces the footprint and energy requirements to provide a competitive alternative for high-performance plants. 815-654-2501; www.aquanereda.com