Basic Principles of Disinfection
This course is designed to cover the basic principles of water disinfection. Topics will include history of disinfection, causes of waterborne diseases and disinfection goals. Basic properties and uses of chlorine and disinfection by-products will also be discussed.
Industry experience or completion of level two in the Water Treatment Technology Program is recommended.
When you have completed each section of this course, you should be able to do the following:
Section 1: Historical Use of Drinking Water Disinfectants
- Summarize the historical use of chlorine, chlorine dioxide, ozone, and ultraviolet radiation for treating drinking water.
Section 2: Regulatory Requirements of Disinfection
- Summarize regulatory requirements of disinfection and describe how to set disinfection design goals.
Section 3: Chemical and Physical Properties of Common Water Treatment Disinfectants and the Reactions that Form Them.
- Describe the basic chemical and/or physical properties of chlorine, chloramines, chlorine dioxide, ozone, and UV disinfectants and the chemical reactions that form them.
Section 4: The CT Concept
- Describe the concept of CT and how it is used to designate the effectiveness of the disinfection process and the regulatory credit.
Section 5: Disinfection By-Products
- Understand how differing disinfectants form disinfection by-products (DBPs), types of DBPs formed by type of disinfectant, factors behind forming DBPs, and how to reduce the amount of DBPs formed.
- Section 1: Historical Use of Drinking Water Disinfectants
- Section 2: Regulatory Requirements of Disinfection
- Section 3: Chemical and Physical Properties of Common Water Treatment Disinfectants and the Reactions that Form Them.
- Section 4: The CT ConceptSection 5: Disinfection By-Products
Maximum Completion30 weeks.
Required Text and Materials
There is no required textbook for this course.
A computer with Internet access is required.
Open Learning Faculty Member Information
An Open Learning Faculty Member is available to assist students. Primary communication is through Blackboard's "Mail" tool or by phone at a mutually convenient time. The necessary contact information will be received when you start your course.
In order to complete this course successfully, you must obtain at least 50% on the final mandatory examination and in the course overall.
Students taking this course and applying it towards a Certificate I, II, or III or Water Treatment Diploma must obtain a minimum 60% average in the course overall to meet program requirements.
Your final assessment will be determined on the following basis.