Automation of wastewater treatment plants in the city of Bijeljina, Republika Srpska, Bosnia and Herzegovina


  • The possibility of pollution of groundwater and watercourses of the Sava River and the Black Sea basin requires the construction of a sewerage system with a wastewater treatment plant
  • Implementation of a management and control system for technological equipment for primary and secondary wastewater treatment, which is fully in line with the requirements defined in the technological project for the “SBR” type of water treatment plant
  • The need for the control system to be safe, reliable, flexible, easy to operate and to allow easy change of plant operating parameters


  • Installation of a system based on programmable logic controllers manufactured by SIEMENS, type S7-300 and SIEMENS WINCC SCADA system software
  • Development of application PLC and SCADA software in accordance with the needs of the technological process of wastewater treatment plant type “SBR” with special emphasis on the Flexibility of the system and its immunity to problems that may occur during operation
  • Commissioning of the system


  • Reduction of groundwater and soil pollution levels
  • Ensuring reliable, flexible, and safe operation of the plant
  • Providing simple plant management and monitoring of plant operation parameters
  • Measuring the flow of wastewater discharged from the plant into the canal