Workshop #1 Part 2 - Grand River Conservation Authority

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SLUDGE ACCOUNTABILITY ANALYSIS Purpose: ‣ Verify plant data ‣ Assess monitoring & reporting practices ‣ Help with rating sludge storage, treatment & disposal capacities. Steps: ‣ Obtain 12-months sludge production from plant records (“reported sludge production”) ‣ Estimate “projected” sludge production based on removal mechanisms; ‣ Compare “projected” vs. “reported”; ‣ Within +15% ok
“Reported” Sludge Production Plant Flow = 3,000 m 3 /d Concentration = 20 mg/L = 0.020 kg/m 3 Unintentional Wastage = 3,000 m 3 /d x 0.020 kg/m 3 = 60 kg/d Primary Aeration Basin Secondary WAS Sludge Flow = 10 m 3 /d Concentration = 3% = 30,000 mg/L = 30 kg/m 3 RAS Unintentional Wastage = 10 m 3 /d x 30 kg/m 3 = 300 kg/d Effluent Solids Co-Thickened Primary & WAS Sludge “Reported” Sludge Production = Unintentional Wastage + Intentional Wastage “Reported Sludge= Unintentional + Intentional = 60 kg/d + 300 kg/d = 360 kg/d
Page 1 and 2: PROCESS LOADING EVALUATION & SLUDGE
Page 3 and 4: CPE OUTCOME • Identify, Classify,
Page 5 and 6: Scheduling • Initial Set-up Activ
Page 7 and 8: CPE: REFERENCES • US EPA Handbook
Page 9 and 10: • Kick-off Meeting • Plant Tour
Page 11: PLANT TOUR • Become familiar with
Page 14 and 15: DATA GATHERING • Data Collection
Page 16 and 17: CBOD (mg/L) NH3 (mg/L) TSS (mg/L) T
Page 18 and 19: Questions • If a dairy moves to t
Page 21 and 22: Exercise #2 Background: • Plant i
Page 23 and 24: Questions? 2.) Calculate average pe
Page 25: Questions? 4.) Something doesn’t
Page 29 and 30: Primary Sludge Production • Raw T
Page 31 and 32: Chemical Sludge Production • Alum
Page 33 and 34: EXAMPLE RESULTS REPORTED: Source Se
Page 35 and 36: Questions 1.) Calculate the average
Page 37 and 38: Questions 6.) The sludge accountabi
Page 39 and 40: MAJOR UNIT PROCESS EVALUATION • P
Page 42: CPE PPG CALCULATIONS
Page 45 and 46: Dunnville WPCP PPG for CAS Base Max
Page 47: PERFORMANCE LIMITING FACTORS • Ch
Page 51 and 52: FACTORS MEETING
Page 53 and 54: EXIT MEETING • Plant/Administrati
Page 55: • Kick-off Meeting • Plant Tour

Workshop #1 Part 2 - Grand River Conservation Authority

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