1. 09/13/2004 Robert Lagrange Slide 1 Analytical Instruments and BNR Robert Lagrange

2. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 2 Schedule Nitrification sludge age optimization Denitrification SBR best practices Phosphate removal precipitation

3. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 3 FI D2-09 PI D2-02 PI D2-08 FI D3-03 Manual FIC D2-01 UC D2-11 FI A6-05 TI D2-04 Q DO IRC D2-05 Q PH I D2-07 Q SS IR D2-03 Q SS IA D3-01 PI D3-04 Q TR IR* D3-06 FI* D3-05 * in case of further treatment UC D3-07 Q NH4 I D2-13 NH3 UC Q SL IRC D3-01 Q SS IR D3-02 Nitrification

4. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 4 FI D2-09 PI D2-02 PI D2-08 FI D3-03 Manual FIC D2-01 UC D2-11 FI A6-05 TI D2-04 Q DO IRC D2-05 Q PH I D2-07 Q SS IR D2-03 Q SS IA D3-01 PI D3-04 Q TR IR* D3-06 FI* D3-05 * in case of further treatment UC D3-07 Q NH4 I D2-13 NH3 UC Q SL IRC D3-01 Q SS IR D3-02 DO Amperometric Galvanic Optical keep the membrane clean Biomass needs enough, above that, it is lost energy Nitrification

5. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 5 SRT or Dynamic Sludge Age? Jon Bolmstedt Master thesis Lund, November 2000

6. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 6 Dynamic Sludge Age or SRT? Based on the equation the sludge age changes as soon as the flow of waste activated sludge changes. Not quite true

7. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 7 SRT or Dynamic Sludge Age? WAS Flow SRT Dynamic Sludge Age

8. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 8 Nitrification FI D2-09 PI D2-02 PI D2-08 FI D3-03 Manual FIC D2-01 UC D2-11 FI A6-05 TI D2-04 Q DO IRC D2-05 Q PH I D2-07 Q SS IR D2-03 Q SS IA D3-01 PI D3-04 Q TR IR* D3-06 FI* D3-05 * in case of further treatment UC D3-07 Q NH4 I D2-13 NH3 UC Q SL IRC D3-01 Q SS IR D3-02 MLSS Optical the best choice Like to keep it within limits, key for SRT

9. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 9 FI D2-09 PI D2-02 PI D2-08 FI D3-03 Manual FIC D2-01 UC D2-11 FI A6-05 TI D2-04 Q DO IRC D2-05 Q PH I D2-07 Q SS IR D2-03 Q SS IA D3-01 PI D3-04 Q TR IR* D3-06 FI* D3-05 * in case of further treatment UC D3-07 Q NH4 I D2-13 NH3 UC Q SL IRC D3-01 Q SS IR D3-02 RAS Flow Parameters to define dynamic sludge age WAS Flow Pre-warning of upset Effl. SS Nitrification

10. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 10 FI D2-09 PI D2-02 PI D2-08 FI D3-03 Manual FIC D2-01 UC D2-11 FI A6-05 TI D2-04 Q DO IRC D2-05 Q PH I D2-07 Q SS IR D2-03 Q SS IA D3-01 PI D3-04 Q TR IR* D3-06 FI* D3-05 * in case of further treatment UC D3-07 Q NH4 I D2-13 NH3 UC Q SL IRC D3-01 Q SS IR D3-02 Blanket Level Optical Ultrasonic Parameter to define dynamic sludge age Profiling shows settability and detect floating sludge Nitrification

11. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 11 Nitrification FI D2-09 PI D2-02 PI D2-08 FI D3-03 Manual FIC D2-01 UC D2-11 FI A6-05 TI D2-04 Q DO IRC D2-05 Q PH I D2-07 Q SS IR D2-03 Q SS IA D3-01 PI D3-04 Q TR IR* D3-06 FI* D3-05 * in case of further treatment UC D3-07 Q NH4 I D2-13 NH3 UC Q SL IRC D3-01 Q SS IR D3-02 pH ORP to do what? pH will really change only when there is a big upset

12. 09/13/2004 Technologies Robert Lagrange Slide 12 Redox/ORP The phase boundary is equivalent to a capacitor The charge is proportional to the electrochemical potential of the solution

13. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 13 Nitrification FI D2-09 PI D2-02 PI D2-08 FI D3-03 Manual FIC D2-01 UC D2-11 FI A6-05 TI D2-04 Q DO IRC D2-05 Q PH I D2-07 Q SS IR D2-03 Q SS IA D3-01 PI D3-04 Q TR IR* D3-06 FI* D3-05 * in case of further treatment UC D3-07 Q NH4 I D2-13 NH3 UC Q SL IRC D3-01 Q SS IR D3-02 Alkalinity Titration only Good indication of changes But why not measure what should really be measured?

14. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 14 Nitrification FI D2-09 PI D2-02 PI D2-08 FI D3-03 Manual FIC D2-01 UC D2-11 FI A6-05 TI D2-04 Q DO IRC D2-05 Q PH I D2-07 Q SS IR D2-03 Q SS IA D3-01 PI D3-04 Q TR IR* D3-06 FI* D3-05 * in case of further treatment UC D3-07 Q NH4 I D2-13 NH3 UC Q SL IRC D3-01 Q SS IR D3-02 NH 3 Colorimetry Ion Selective Electrode Sample preparation Measure what you need to control !

15. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 15 SBR http://www.dep.state.pa.us/dep/deputate/watermgt/WSM/WSM_TAO/InnovTechForum.htm ORP ?

16. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 16 Denitrification in filtration L SL I C2-12 LI C2-02 FIR C2-03 UC C2-04 LI C2-05 FI C2-01 PI C2-11 LI C2-09 Q TR IA C2-08 LI C2-05 LI C2-05 Q TR I C2-06 Q NO3 I C2-10 dP NO 3 Methanol TOC

17. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 17 Denitrification in filtration L SL I C2-12 LI C2-02 FIR C2-03 UC C2-04 LI C2-05 FI C2-01 PI C2-11 LI C2-09 Q TR IA C2-08 LI C2-05 LI C2-05 Q TR I C2-06 Q NO3 I C2-10 dP NO 3 Methanol TOC NO 3 Colorimetry Ion Selective Electrode UV 214 Need to insure effluent quality and pace organics

18. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 18 Denitrification in filtration L SL I C2-12 LI C2-02 FIR C2-03 UC C2-04 LI C2-05 FI C2-01 PI C2-11 LI C2-09 Q TR IA C2-08 LI C2-05 LI C2-05 Q TR I C2-06 Q NO3 I C2-10 dP NO 3 Methanol TOC Organics TOC or UV 254 absorption Closing the loop on dosification. More organics less methanol!

19. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 19 Denitrification

20. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 20 Denitrification NO 3 Colorimetry Ion Selective Electrode UV 214 absorption Parameter to control internal recirculation

21. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 21 Denitrification TOC UV Persulfate High Temperature Combustion UV 254 absorption Organics required for denitrification. When too low add methanol or?

22. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 22 Primary with Phosphate precipitation FI PO 4

23. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 23 Primary with Phosphate precipitation FI PO 4 Only Colorimetry Sample preparation is key to success

24. 09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 24 Phosphate removal with filtration L SL I C2-12 LI C2-02 FIR C2-03 UC C2-04 LI C2-05 FI C2-01 PI C2-11 LI C2-09 Q TR IA C2-08 LI C2-05 LI C2-05 Q TR I C2-06 Q PO4 I C2-10 dP PO 4 Only Colorimetry

25. 09/13/2004 Usual instruments for unusual applications Robert Lagrange Slide 25