A refinery needed to upgrade the wastewater treatment system to prepare for expected changes brought about by the use of a new crude feedstock. The new wastewater was predicted to contain elevated concentrations of TDS and conductivity. Veolia Water Technologies supplied an AnoxKaldnes Moving Bed Biofilm Reactor (MBBR) treatment system to reduce the BOD and ammonia in the effluent. Read the full case study to learn more.