G.A.A. is a German company that has, over the past 10 years, established themselves as comprehensive SBR suppliers with the Rotalift aeration system and linear decanter.
They have recently widened their product line to introduce the Constant Water Level Sequential Batch Reactor (CWSBR). Either pond or tank based, the process has comparatively low operation costs and using a flexible reactor divider, provides a high degree of process flexibility.