1. BioWeb and Webitat Fixed Media IFAS Systems Sarah Hubbell Director of Technology, Entex Technologies Inc.

3. R&D

4. Design Approach

7. Floating Media

8. Carrier Elements

9. Rope Type Media

10. Rigid PVC Media

13. Simple expansion with addition of modules

14. Can use fine bubble diffusers, existing systems

15. Predation by redworms may require DO control

16. Kinetics not as high as moving media systemsFine screens or primaries are required

17. Simple Installation Save space and costs by augmenting existing basins with IFAS media.

18. Reuse Fine Bubble Diffusers

21. Hexagonal Matrix

23. Development of BioWeb BioWeb - New York City - 1996 Tallman Island, NY 80 mgd WWTP Ringlace Chinese Lanterns PVC Sheet Media

24. Continued R & D

26. Published kinetic rates

28. BioWin www.envirosim.com

29. GPS-X www.hydromantis.com

31. Webitat BioFilm and Predator Control Side Shrouds (all 4 vertical sides) BioWeb Media (Partial BioWeb shown) Sensor (optional) Controlled airlift mixing from under Webitat module vertically through module then out of the top 3rd generation fixed media system

32. Webitat for Lagoons

34. North Buffalo WWTP, Greensboro, NC

35. Environmental Center for Livestock Waste Management (ECLWM), Taiwan

36. Windsor Locks WPCF, Windsor Locks, CT

37. Mamaroneck, NY

38. Ashfield, MA

39. Alimente Breton Foods, Siegas, New Brunswick, Canada

40. Donner Summit PUD, Soda Springs, CA

41. Harbor Road WWTP, Green Cove Springs, FL

42. Port Austin, MI

43. Stewart Creek WWTP, The Colony, TX

44. Kenosha Beef, WI

45. Newark, NY

46. Coeur D’Alene, ID

47. Stafford Springs, CT

49. BioWeb Installations Windsor Locks—2001 1.43 MGD Design Flow — BioWeb installed in both trains, following side by side demonstration

50. BioWeb Installations The Colony, TX—2005 Modules installed in the annular ring in one of two circular tanks Two of a total of 24 modules placed in tank over fine bubble diffusers

51. Without Biomass With Biomass BioPortz Plastic—HDPE

53. Moving and Fixed Media both good options

54. Aeration design must be carefully considered