Waste Water Treatment Plant - PowerPoint PPT Presentation

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Waste Water Treatment Plant

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  1. Waste Water Treatment Plant By… Assanee Buranupakorn (ENV 201)

  2. Waste Water Treatment Plant Here's a step-by-step guide describing what happens at each stage of the treatment process and how pollutants are removed to help keep our waterways clean.

  3. Primary treatment of wastewater The Primary Treatment Process 1. Screening: 5. Removing scum: 2. Pumping: 6. Killing bacteria: 3. Aerating: R. Wastewater Residuals: 4. Removing sludge

  4. Primary Treatment

  5. Preliminary Treatment

  6. Grit Tanks

  7. Primary Clarifiers

  8. Secondary Treatment - Aeration Tanks

  9. Carbon Cycle - Metabolism ReactionBacterial Decomposition of Organic Waster

  10. Sludge/Solids Treatment

  11. Sludge Dewatering and Drying

  12. Secondary/Final Clarifier Tanks

  13. Chlorination Tanks

  14. Final Water Stats

  15. Example : WHITTIER NARROWS WHITTIER NARROWSWATER RECLAMATION PLANT(WRP)

  16. Example : WHITTIER NARROWS (2) • DIRECTIONS:The Whittier Narrows WRP is located at 301 N. Rosemead Blvd., El Monte. The plant occupies 27 acres south of the Pomona (60) Freeway.OPERATION:The Whittier Narrows WRP was the first reclamation plant built by the Districts in 1962. It provides primary, secondary and tertiary treatment for 15 million gallons of wastewater per day (see flow diagram below). The plant serves a population of approximately 150,000 people. Virtually all of the purified water is reused as groundwater recharge into the Rio Hondo and San Gabriel Coastal Spreading Grounds or for irrigation at an adjacent nursery.

  17. Flow Diagram

  18. Waste Water Treatment Plant Entrance

  19. Blowers

  20. Flow Equalization

  21. Clarifier

  22. Tertiary Facility

  23. UV Disinfection System