WTTP 1311
Secondary Process Equipment

1.0 Credit


This course covers support systems typical in treatment facilities such as high pressure air systems, blowers, compressors, vacuum pumps, pneumatic valve operator systems and process air systems. It is also designed to teach students about chemicals used in water treatment, along with associated hazards. Additional topics such as sludge and residual handling, building mechanical systems, maintenance and associated responsibilities are discussed.

Delivery Method

Online, self-paced.


Industry experience or acceptance into the Water Treatment Technology Program. Completion of WTTP 1731: Mechanical Systems 1, WTTP 1291: Moving Water

Recommended Requisites: WTTP 1301: Major Process Equipment


By the end of this course students should be able to:

  • Describe the inherent dangers of working near a high-pressure air system
  • Describe the application and function of blowers, compressors and vacuum pumps
  • Explain some of the maintenance requirements and operators' general duties for process air systems.
  • Name the most common chemicals used in water treatment and describe their use
  • Describe the maintenance requirements for chemical feed systems.
  • Define the factors influencing standby power equipment selection
  • Understand what residuals consist of
  • Understand the disposal process for residuals.
  • Be familiar with waste water systems
  • Understand common heating equipment
  • Be familiar with building cooling systems.

Course Outline

This course contains one module that is further divided into six sections:

Module C: Secondary Process Equipment

  1. Air handling process equipment
  2. Chemical feed equipment
  3. Standby power equipment
  4. Residuals handling
  5. Building mechanical systems
  6. Odour Control
  7. Maintenance procedures

Maximum Completion

30 weeks.

Required Text and Materials

Students registering for this course will have to source the following textbook on their own:

Hammer, Sr. & Hammer, Jr. Water and Wastewater Technology. 7th ed. Pearson - Hall, 2012.
Type: Textbook ISBN-13: 978-013-511404-9 | ISBN-10: 0-13-511404-7

Note: The textbook is also used in WTTP 1291, WTTP 1301 and WTTP 1701.

Additional Requirements

Students require a computer and internet access.

Open Learning Faculty Member Information

An Open Learning Faculty Member is available to assist students. Primary communication is through the Learning Environment's "Mail" tool or by phone. Students will receive the necessary contact information at the start of the course.


To successfully complete this course, students must achieve a passing grade of 50% or higher on the overall course, and 50% or higher on the final mandatory exam 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.

Final Exam 100%