The Argos sequencing batch reactor (SBR) offers greater process flexibility and control of the activated sludge wastewater treatment process matched with capital equipment savings, ease of installation, and maintenance. The system utilizes a uniquely engineered decanter and dual-function Aire-O2 Triton process aerators/mixers with the capability to integrate nitrification/denitrification cycles to facilitate biological nutrient removal. This SBR is ideal for municipal wastewater treatment facilities looking for a user-friendly, energy-efficient solution.