Water and Wastewater Disinfection
Course Pack: Chlorine Dioxide Disinfection and Monitoring
What is Chlorine Dioxide and Its Use?
Course Description
This module provides a comprehensive introduction to chlorine dioxide, covering its chemistry, properties, applications, and operational characteristics in water treatment and other industries. Learners will explore how chlorine dioxide works as a powerful oxidant and disinfectant, while gaining an understanding of its benefits, limitations, and safe handling requirements.
The course examines important safety considerations associated with chlorine dioxide, including explosion-risk factors, chemical reactivity, confined-space hazards, storage requirements, and emergency response procedures. Participants will also learn about the practical uses of chlorine dioxide in water treatment, along with real-world applications beyond the water sector. Through operational examples and safety-focused guidance, this module helps operators understand chlorine dioxide performance, risks, and best practices for effective and responsible use.
Learning Objectives
1) Explain ClO2 chemistry and hazards
2) Recognize confined space risks
3) Apply safe handling and storage practices
4) Identify industry applications vs water uses
5) Respond to emergencies and first aid needs
Agenda
1) Key characteristics and background of chlorine dioxide
2) Density, confined space, and stability considerations
3) Explosion, reactivity, and handling hazards 4
4) Typical applications within and outside the water sector
5) Required first aid, emergency procedures, and safety examples
Target audience
Operators responsible for handling or evaluating chlorine-dioxide systems
Level
III
Learning material and method
Online on-demand
Assessment
Knowledge check and quiz (80% correct and above)
Instructor
Mike Harrington