WTECH 184 - Disinfection and Chemical Feed Systems

1. Explain the process objectives of water and wastewater disinfection.
2. Recognize the chemical properties of chlorine sources.
3. Demonstrate understanding of chlorine reactions with constituents in water and wastewaters.
4. Calculate the required disinfection dosage.
5. Determine the correct disinfection dosage and contact time to meet disinfection process objectives. 
6. Demonstrate ability to dilute and mix batches of chemical solutions to desired concentration.
7. Demonstrate the ability to operate and maintain chlorine gas system equipment (e.g., cylinders and connections).
8. Evaluate the operation of chemical feed equipment at chlorine gas facilities.
9. Identify the major components of gas chlorinators.
10. Perform routine maintenance on hypochlorite solution system disinfection equipment.
11. Understand the principles of chlorine safety
12. Schedule chlorine deliveries to maintain an adequate supply of the disinfection chemicals
13. Describe the process to accept chemical shipments
14. Implement proper handling and storage of disinfection chemicals (e.g., chain cylinders, lock the facility).
15. Inspect, operate, and maintain UV and ozone disinfection equipment.

1. Identify characteristics of water used to provide public drinking water through municipal water distribution and water treatment systems.
2. Identify the characteristics of wastewater conveyed and treated in municipal wastewater collection and wastewater treatment systems.
3. Monitor, evaluate and adjust processes used in municipal water distribution, water treatment, municipal wastewater collection and wastewater treatment systems.
4. Monitor, evaluate, operate and maintain common types of equipment found in municipal water distribution, water treatment systems, municipal wastewater collection and wastewater treatment systems.
5. Apply appropriate safety procedures to operation of municipal water distribution, water treatment, municipal wastewater collection and wastewater treatment systems.
6. Collect samples for, perform and interpret results of laboratory analyses used to monitor municipal water distribution, water treatment systems, municipal wastewater collection and wastewater treatment systems.
7. Perform supporting administrative duties for municipal water distribution, water treatment, municipal wastewater collection and wastewater treatment systems.

• Written Communication - Written Communication encompasses all the abilities necessary for effective expression of thoughts, feelings, and ideas in written form.