SEQUENCING BATCH REACTORS OR SBRS USE A SEPARATE PRE-TREATMENT SECTION TO MECHANICALLY HOLD BACK SOLIDS AND A BIOLOGICAL AERATION AND SETTLING TANK. SMALL SBR WASTEWATER TREATMENT SYSTEMS CLEAN INCOMING WASTEWATER OVER SEVERAL CYCLES. WTP ARTIMA PRODUCTS ACHIEVE A CLEANING PERFORMANCE OF UP TO 98 %. IN THIS RESPECT THE PROFESSIONAL FAR SURPASSES LEGAL MINIMUM REQUIREMENTS.