by
Schreiber LLC
The Schreiber Continuously Sequencing Reactor, or CSR, is a Biological Nutrient Removal (BNR) system contained in a single basin. It produces the 3 process phases required for BNR – oxic, anoxic and anaerobic – in one basin. The 3 phases do not occur at the same time in the basin. They occur sequentially – repetitively, over ...