Disinfection Principles

COURSE OVERVIEW

To provide operators of water treatment and water distribution systems with a brief overview of the various processes available for the disinfection of potable water.

COURSE OUTLINE

• Destroying pathogens in water (introduction / overview, disinfection by inactivation, chemical disinfection methods – chloramination, chemical disinfection methods – ozone, chemical disinfection methods – ultraviolet light, chemical disinfection methods – chlorination, chemical disinfection methods – chlorine dioxide generation, factors that affect chemical disinfection, chemical disinfection by-products (DBPs)).
• Physical disinfection (process of filtration, filtration technologies, monitoring granular filter performance, granular filter problems, troubleshooting granular filter problems, membrane filtration, particle counting).
• Chlorination equipment (gas chlorination facilities, hypochlorination facilities, facilities for other oxidants, chlorine safety). Disinfection chemical feed calculations.
• Procedure for disinfection of drinking water in Ontario.
• Appendices (glossary, disinfection test).

PREREQUISITE

Open.

TARGET AUDIENCE

Water utility field staff, water utility construction inspectors, and water system design personnel.