Screening and Grit Removal

Transcription

1 Virtual Tour

2 Cheeney Creek WWTP Activated sludge plant 8 MGD design average daily flow, 16.7 MGD peak flow Average flow in MGD Treatment process features screenings, grit removal, odor control, primary sedimentation, conventional activated sludge, nitrification, secondary clarification, ultra-violet light disinfection and alkaline stabilization of dewatered biosolids

3 Screening and Grit Removal

4 Primary Clarification Primary Clarification

5 Activated Sludge System

6 250 Hp Blowers

7 Secondary Clarification

8 Ultra-violet Light Disinfection Ultra-Violet Light Disinfection and Effluent Re-Aeration

9 Outfall to White River

10 Cheeney Creek WWTP Biosolids Management Liquid storage of primary and waste activated sludges Belt filter press dewatering N-Viro Soil Production Curing Storage Marketing and Distribution

11 N-Viro Soil Process Similar to composting N-Viro Process* (Advanced Alkaline Stabilization with Subsequent Accelerated Drying) combines extended elevated ph (greater than 12.0 for at least 72 hours), elevated temperature (greater than 52 C for 12 hours), and drying (greater than 50% solids) *As defined in 40 CFR 503, Alternative 2 or 6

12 Sludge Holding Tank

13 Belt Filter Press

14 Cemen-tech Mixer

15 Heat Pulse Bunker

16 Windrow Operation

17 Bulk Storage

18 Fishers N-Viro Composition Parameter Value Total Solids 59.5% Volatile Solids 25.4% Calcium Carbonate Equiv. 38.6% (dry weight basis) Total Nitrogen 0.93% (dry weight basis) Nitrogen, Ammonia (as N) 0.05% (dry weight basis) Nitrogen, Nitrate (as N) 0.004% (dry weight basis) Phosphorus (as P 2 O 5 ) 1.0% (dry weight basis) Potassium (as K 2 O) 0.4% (dry weight basis) ph 12.4

19 Fishers N-Viro Composition Parameter Value (dry weight basis) Chromium 30 mg/kg Calcium 17.5% Magnesium 3.6% Sulfur 47,093 mg/kg Boron 349 mg/kg Iron 13,998 mg/kg Manganese 313 mg/kg

20 Fishers N-Viro Composition Parameter Value Limit Fecal streptococci < 1 MPN/g dry Total bacteria 6,600 CFU/g dry Fecal coliform < 1 MPN/g dry < 1,000 MPN/g dry Salmonella < 3 MPN/g dry < 3 MPN/g dry Viable helminth ova < 1 egg/4g dry < 1 egg/4g dry Odor Index Fair Compactibility Slight Granularity Very Good

21 Truck Loading Operation

22 Truck Loading Operation

23 N-Viro Soil Off Loading

24 Field Spreader Loading

25

26 Spread Pattern, Hay Field

27 Turf Farm, near Lebanon Indiana

28 Turf Farm Application

29 Turf Farm Spread Pattern, 4-6 tons/acre

30 Winter Operations 10 tons/acre Soybean Field near Thorntown, Indiana

31 Virtual Tour

32 Cheeney Creek WWTP Activated sludge plant 8 MGD design average daily flow, 16.7 MGD peak flow Average flow in MGD Treatment process features screenings, grit removal, odor control, primary sedimentation, conventional activated sludge, nitrification, secondary clarification, ultra-violet light disinfection and alkaline stabilization of dewatered biosolids

33 Screening and Grit Removal

34 Primary Clarification Primary Clarification

35 Activated Sludge System

36 250 Hp Blowers

37 Secondary Clarification

38 Ultra-violet Light Disinfection Ultra-Violet Light Disinfection and Effluent Re-Aeration

39 Outfall to White River

40 Cheeney Creek WWTP Biosolids Management Liquid storage of primary and waste activated sludges Belt filter press dewatering N-Viro Soil Production Curing Storage Marketing and Distribution

41 N-Viro Soil Process Similar to composting N-Viro Process* (Advanced Alkaline Stabilization with Subsequent Accelerated Drying) combines extended elevated ph (greater than 12.0 for at least 72 hours), elevated temperature (greater than 52 C for 12 hours), and drying (greater than 50% solids) *As defined in 40 CFR 503, Alternative 2 or 6

42 Sludge Holding Tank

43 Belt Filter Press

44 Cemen-tech Mixer

45 Heat Pulse Bunker

46 Windrow Operation

47 Bulk Storage

48 Fishers N-Viro Composition Parameter Value Total Solids 59.5% Volatile Solids 25.4% Calcium Carbonate Equiv. 38.6% (dry weight basis) Total Nitrogen 0.93% (dry weight basis) Nitrogen, Ammonia (as N) 0.05% (dry weight basis) Nitrogen, Nitrate (as N) 0.004% (dry weight basis) Phosphorus (as P 2 O 5 ) 1.0% (dry weight basis) Potassium (as K 2 O) 0.4% (dry weight basis) ph 12.4

49 Fishers N-Viro Composition Parameter Value (dry weight basis) Chromium 30 mg/kg Calcium 17.5% Magnesium 3.6% Sulfur 47,093 mg/kg Boron 349 mg/kg Iron 13,998 mg/kg Manganese 313 mg/kg

50 Fishers N-Viro Composition Parameter Value Limit Fecal streptococci < 1 MPN/g dry Total bacteria 6,600 CFU/g dry Fecal coliform < 1 MPN/g dry < 1,000 MPN/g dry Salmonella < 3 MPN/g dry < 3 MPN/g dry Viable helminth ova < 1 egg/4g dry < 1 egg/4g dry Odor Index Fair Compactibility Slight Granularity Very Good

51 Truck Loading Operation

52 Truck Loading Operation

53 N-Viro Soil Off Loading

54 Field Spreader Loading

55

56 Spread Pattern, Hay Field

57 Turf Farm, near Lebanon Indiana

58 Turf Farm Application

59 Turf Farm Spread Pattern, 4-6 tons/acre

60 Winter Operations 10 tons/acre Soybean Field near Thorntown, Indiana