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

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

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

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

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

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

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

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

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

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

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

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

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?

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 !

09/13/2004 Analytical Instruments and BNR Robert Lagrange Slide 15 SBR ORP ?

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

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

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!

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

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

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?

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

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

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

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