Chemical Feed Systems: Operation, Calibration & Troubleshooting

A practical, manufacturer-neutral course on liquid chemical-feed systems used at water and wastewater facilities. It covers the major parts of a feed system, the difference between target dose and actual feed output, safe feed-rate verification concepts, common loss-of-prime and flow problems, inspection of tubing and injection points, redundancy, documentation, and escalation. The course does not prescribe chemical-specific treatment doses.

What you’ll learn

• Identify the basic components of a typical liquid chemical-feed system.
• Distinguish target process dose from actual chemical-product feed rate.
• Explain why chemical-feed equipment must be checked and calibrated using approved facility/manufacturer procedures.
• Recognize common symptoms of loss of prime, blocked tubing, air entry, failed check valves, injection-point problems, and control-signal problems.
• Apply a safe, structured troubleshooting and documentation process before escalating a chemical-feed problem.

Course outline

1. Course Orientation
2. Section 1 — Chemical-Feed System Components
3. Knowledge Check 1
4. Section 2 — Feed Output and Calibration Concepts
5. Knowledge Check 2
6. Section 3 — Common Operating Problems
7. Knowledge Check 3
8. Section 4 — Inspection, Redundancy, and Records
9. Practical Troubleshooting Scenario
10. Final assessment

Who this course is for

North Carolina drinking-water and wastewater operators.

Prerequisites: None