Fundamentals of Disinfection


This fundamental course gives an overview of the various disinfection treatment processes. After completion of this course, the student should be able to:

  • Explain the evolution of wastewater disinfection including regulations; pathogens of concern and indicator microorganisms; how disinfection relates to other wastewater treatment processes; and the fundamentals of disinfection systems
  • Describe the processes of chlorination and dechlorination including how to perform dosage, feed rate, and contact time calculations; identifying common components for both systems and how they function; and basic operation, maintenance, and safety considerations
  • Describe the equipment and operating requirements necessary for onsite sodium hypochlorite generation systems
  • Describe ultraviolet (UV) disinfection including associated equipment and components; operation and maintenance requirements; basic troubleshooting and safety considerations
  • Briefly describe the basic principles and current usage of alternative and emerging disinfection technologies including ozonation, pasteurization, ferrate, chlorine dioxide, peracetic acid and others


The suggested number of CEUs for this course are 0.35, or 3.5 contact hours.