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Weftec09 IFAS Workshop

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Weftec09 IFAS Workshop

  1. 1. BioWeb and Webitat Fixed Media IFAS Systems<br />Sarah Hubbell<br /> Director of Technology, Entex Technologies Inc.<br />
  2. 2. Sneak Preview<br /><ul><li>History of BioWeb
  3. 3. R&D
  4. 4. Design Approach
  5. 5. Description of Equipment</li></li></ul><li>Got Biomass?<br />
  6. 6. Media Options<br />Moving Media<br />Fixed Media<br /><ul><li>“MBBR” Media
  7. 7. Floating Media
  8. 8. Carrier Elements
  9. 9. Rope Type Media
  10. 10. Rigid PVC Media
  11. 11. BioWeb or Webitat</li></li></ul><li>Fixed vs. Moving media When to use which ?<br />
  12. 12. Fixed Media<br />Advantages and Disadvantages<br />Advantages<br />Disadvantages<br /><ul><li>Simple installation— quick and inexpensive
  13. 13. Simple expansion with addition of modules
  14. 14. Can use fine bubble diffusers, existing systems
  15. 15. Predation by redworms may require DO control
  16. 16. Kinetics not as high as moving media systems</li></ul>Fine screens or primaries are required<br />
  17. 17. Simple Installation<br />Save space and costs by augmenting existing basins with IFAS media.<br />
  18. 18. Reuse Fine Bubble Diffusers<br />
  19. 19. Fixed Media Options<br />Rigid Medias:<br /><ul><li> Trickling Filter
  20. 20. Tubular Bundles</li></ul>Dynamic Medias:<br /><ul><li> Rope Type
  21. 21. Hexagonal Matrix
  22. 22. Fabric Sheet Matrix</li></li></ul><li>Ringlace<br />
  23. 23. Development of BioWeb<br />BioWeb - New York City - 1996<br />Tallman Island, NY<br />80 mgd WWTP<br />Ringlace<br />Chinese Lanterns<br />PVC Sheet Media<br />
  24. 24. Continued R & D<br />
  25. 25. Design Options<br /><ul><li>Modeling/Simulation Software
  26. 26. Published kinetic rates
  27. 27. Pilot Studies</li></li></ul><li>Models<br /><ul><li>Aquifas www.aquifas.com
  28. 28. BioWin www.envirosim.com
  29. 29. GPS-X www.hydromantis.com
  30. 30. Pro2D (exclusive to CH2M Hill)</li></li></ul><li>Webitat Diffusers<br />Lift showing air scour / DO control for redworms<br />
  31. 31. Webitat<br />BioFilm and Predator Control<br />Side Shrouds<br />(all 4 vertical sides)<br />BioWeb Media<br />(Partial BioWeb shown)<br />Sensor<br />(optional)<br />Controlled airlift mixing from under Webitat module<br />vertically through module then out of the top<br />3rd generation fixed media system<br />
  32. 32. Webitat for Lagoons<br />
  33. 33. BioWeb Installations<br /><ul><li>Tallman Island WWTP, New York City
  34. 34. North Buffalo WWTP, Greensboro, NC
  35. 35. Environmental Center for Livestock Waste Management (ECLWM), Taiwan
  36. 36. Windsor Locks WPCF, Windsor Locks, CT
  37. 37. Mamaroneck, NY
  38. 38. Ashfield, MA
  39. 39. Alimente Breton Foods, Siegas, New Brunswick, Canada
  40. 40. Donner Summit PUD, Soda Springs, CA
  41. 41. Harbor Road WWTP, Green Cove Springs, FL
  42. 42. Port Austin, MI
  43. 43. Stewart Creek WWTP, The Colony, TX
  44. 44. Kenosha Beef, WI
  45. 45. Newark, NY
  46. 46. Coeur D’Alene, ID
  47. 47. Stafford Springs, CT
  48. 48. Johnstown, PA</li></li></ul><li>BioWeb Installations<br />Greensboro, NC—1997<br />16 MGD Design Flow — BioWeb installed in one of 4 parallel flow trains<br />BioWeb train 24% better ammonia removal than other trains.<br />Acted as bio-seeder for rapid nitrification recovery after storm event.<br />
  49. 49. BioWeb Installations<br />Windsor Locks—2001<br />1.43 MGD Design Flow — <br />BioWeb installed in both trains, following side by side demonstration<br />
  50. 50. BioWeb Installations<br />The Colony, TX—2005<br />Modules installed in the annular ring in one of two circular tanks<br />Two of a total of 24 modules placed in tank over fine bubble diffusers<br />
  51. 51. Without Biomass<br />With Biomass<br />BioPortz<br />Plastic—HDPE<br />
  52. 52. Summary<br /><ul><li>IFAS is an economical upgrade option
  53. 53. Moving and Fixed Media both good options
  54. 54. Aeration design must be carefully considered
  55. 55. Models are available for sizing</li></li></ul><li>Any Questions?<br />ENTEX Technologies Inc. <br />400 Silver Cedar Court, Suite 260<br />Chapel Hill, NC 27514<br />919.933.2770<br />Sarah.Hubbell@entexinc.com<br />www.entexinc.com<br />

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