Oregon Wastewater Treatment Processes

After completing this course, the licensee should be able to:

List and define the different stages of treatment that can be found at a modern wastewater treatment plant.
List the various solids separation processes.
List the equipment used in each solids separation process.
Describe how each piece of equipment involved in solids separation operates.
Determine appropriate means of treating sewage and wastewater chemically to reduce pollution.
Identify the differences between a suspended-growth or fixed-growth biological treatment process.
Define sludge.
Describe how to treat sludge.
List the major units involved in each sludge treatment process.
List the popular methods of sludge disposal.

This course is approved for WASTEWATER OPERATORS only.

Course ID(s): 7566

Approved By: Oregon Environmental Services Advisory Council (OESAC)

Wastewater Treatment Processes
- Wastewater Treatment Processes [46 Activities]
  - 01. Purpose of Treatment
  - 02. Sources of Wastewater
  - 03. Wastewater Collection Systems
  - 04. Typical Treatment Facilities
  - 05. Influent
  - 06. Preliminary Treatment
  - 07. Primary Treatment
  - 08. Secondary Treatment
  - View Additional Activities
    - 09. Tertiary Treatment
    - 10. Disinfection and Effluent Discharge
    - 11. Solids Handling
    - 12. Screening
    - 13. Grinding
    - 14. Grit Removal
    - 15. Sedimentation
    - 16. Factors Affecting Settling Rates
    - 17. Types of Clarifiers
    - 18. Air Flotation
    - 19. Filtration and Effluent Disposal
    - 20. Solids in Wastewater
    - 21. Chemical Coagulants
    - 22. Phosphorus Removal
    - 23. Chemical Clarification Equipment
    - 24. Disinfection
    - 25. Factors Affecting Disinfection
    - 26. Disinfection with Chlorine
    - 27. Equipment Used in Chlorine Feeding
    - 28. Lagoons
    - 29. Activated Sludge
    - 30. Aeration with Pure Oxygen
    - 31. Trickling Filters
    - 32. Distribution Systems
    - 33. Trickling Filter Operations
    - 34. Synthetic Media
    - 35. Activated Biofilter Processes (ABF)
    - 36. Rotating Biological Contactors (RBC)
    - 37. Secondary Clarifiers
    - 38. Three Processes
    - 39. Sludge Conditioning
    - 40. Thickening and Dewatering
    - 41. Drying Beds
    - 42. Lagoons
    - 43. Vacuum Filtration and Filter Presses
    - 44. Further Reduction of Water Content
    - 45. Composting
    - 46. Ultimate Disposal
Course Completion
- Mandatory Questionnaire
- Certificate of Achievement
- Guaranteed Next-Day Reporting

Instructor Bio

Ralph Stevens

Ralph Stevens is a water Subject Matter Expert, licensed in California, Nevada and Arizona as a Grade 3 Wastewater Treatment Plant Operator. Ralph has worked in wastewater for almost 50 years, starting as an operator in a wastewater treatment plant and serving most recently as the Maintenance Reliability Supervisor for the Clark County Water Reclamation District. He is a certified Class Trainer for the California Water Environment Association (CWEA) and has served as the Operations and Maintenance Chairperson for the same organization. He has won a number of awards for his work, including CWEA Electrical and Instrumentation Person of the Year (2015), Safety Plant of the Year (2017), and the WEF Burke Safety Award (2019). Ralph goes out of his way to help and protect staff and the environment.