Specific Water Treatment Processes

Course Objective: To teach learners about treatment processes targeted for removal of specific contaminants or other undesirable substances from drinking water with main focus on iron and manganese removal and water softening.

This course, part of the Water Treatment Fundamentals bundle, focuses on specific water treatment processes. 4 Contact Hours (or 0.4 CEUs) will be granted upon completion of this course.

Disclosure: None

Upon completion of this course, learners will be able to:


✓ major contributing constituents to water hardness


✓ iron and manganese removal techniques

✓ iron and manganese oxidation chemistry

✓ chemical softening processes

✓ Ion Exchange softening processes


✓ problems created by hard water


✓ iron and manganese problem in treated water


✓ hardness removal capacity of ion exchange resin

✓ ion exchange bypass flow rate

✓ amount of salt needed for ion exchange regeneration

✓ volume of water produced by ion exchange softening

✓ ion exchange resin service cycle time

A. Iron and Manganese Removal     

1. Precipitation     

2. Ion Exchange     

3. Lime-Soda Ash Softening     

4. Sequestration     

B. Water Softening     

1. Chemical Softening     

1.a. Lime Softening     

1.b. Lime-Soda Ash Softening     

1.c. Caustic Soda Softening     

1.d. Lime-Caustic Soda Softening     

1.e. Stabilization of Softened Water     

1.f. Computation of Alkalinity Added by Common Water Treatment Chemicals     

2. Ion Exchange Softening     

2.a. Types of Synthetic IX Resins     

2.b. Operation of IX Processes     

Computations in IX Operation     


About Instructor

Water Treatment Instructor

This instructor has over twenty-five years of experience in the water industry. He was also a college adjunct instructor teaching water treatment classes.

Not Enrolled
From $15

Course Includes

  • 1 Lesson
  • 2 Topics
  • 1 Quiz
  • Course Certificate